DENİZCİLİK İNGİLİZCESİ
1
Every mechanical governor has_____________as its basic element.
a) Power piston
b) Control rack
c) Weights acted on by centrifugal force
d) Isochronous droop spring
e) Piston
2
A compound gauge is able to measure:
a) Either pressure or vacuum
b) The sum of two pressures
c) The difference between two pressures
d) Two different pressures simultaneously
e) Two different temperatures simultaneously
3
A pyrometer is normally used to measure:
a) Steam pressure
b) Water temperature
c) Draft loss
d) Humidity
e) Gas temperature
4
A “manometer” measures:
a) Air pressure
b) Steam pressure
c) Oil pressure
d) Water pressure
e) Oil temperature
5
This gauge measures both inlet and outlet pressures of a strainer:
a) A compound gauge
b) A duplex gauge
c) A biogauge
d) A pressure / vacuum gauge
e) None of the above
6
The successive order of 4 stroke diesel engines:
a) Compression-suction-firing-exhaust
b) Suction-firing-compression-exhaust
c) Suction-compression-exhaust-firing
d) Suction-compression-firing-exhaust
e) Compression-air inlet-firing exhaust
7
When the valves are operated_____________on a diesel engine, they are actuated by means of cams, pushrods, rocker arms and rollers.
a) Mechanically
b) Hydraulically
c) Pneumatically
d) Electrically
e) Any above
8
In a 2 stroke engine each revolution of the crank is completed within the angle of_____________
a) 360°
b) 180°
c) 720°
d) 90°
e) 45°
9
In a 4 stroke engine 2 revolution of the crank is completed within.the angle of_____________
a) 720°
b) 360°
c) 180°
d) 90°
e) 45°
10
A diesel generator engine operates at 1800 RPM. The overspeed governor will normally be set between_____________RPM.
a) 1980 and 2070
b) 2100 and 2200
c) 2200 and 2300
d) 2300 and 2400
e) Less than 1800
11
What will happen to a small diesel engine that is equipped with an “auto type” thermostat if the bellows develop a hole in it?
a) The engine will overheat
b) The engine will remain cold
c) The engine will remain not start
d) The cooling water will “by pass” the engine
e) None of the above
12
What does “wet silencer” mean is diesel engine terminology?
a) The exhaust gases are mixed with salt water
b) The exhaust gases are mixed with fresh water
c) The silencer jacket is always water cooled
d) The silencer baffles are water cooled
e) The sea water are mixed with fresh water
13
When does a two stroke cycle diesel engine produce a power stroke in each cylinder?
a) Once in every 2 revolutions of the crankshaft
b) Once for every 4 stroke of the piston
c) Once for every 2 stroke of the piston
d) Directly after the exhaust stroke
e) None of the above
14
What term is used to describe the loss of combustion pressure due to worn rings and liner?
a) Blowback
b) Blowdown
c) Both A and B
d) Blowup
e) Blow by
15
_____________are the common parts within the 2 and 4 stroke diesel engines.
a) Piston, valves, cylinder, fuel injector
b) Crankshaft, crosshead, cylinder
c) Turbocharger, piston, gudgeonpin, cylinder
d) Crankshaft, connecting rod, pistons
e) Cylinder; connecting rod, pistons
16
Which of the followings is not one of the qualities of the governor?
a) The main control device on the engine
b) Controls the engine speed when the power is required to change
c) The supplementary control device on the engine
d) Can be adjusted automatically
e) Made up of speed sensing arrangement and hydraulic unit
17
_____________is one of the moving parts of the diesel engine.
a) Crosshead
b) Crankcase
c) Connecting rod
d) Cylinder cover
e) A and C
18
The pistonheads in the engine are manufactured concave and convex shaped in order that_____________
a) The vessel will be faster
b) It will control the temperature of the engine
c) It will increase oil pressure in the engine
d) It will increase the durability of the piston
e) It will provide a powerful engine
19
Intake and exhaust valves on diesel engines are of what type?
a) Tappet
b) Disc
c) Poppet
d) Globe
e) Butterfly
20
_____________is necessary for a controlled combustion.
a) The proper amount of air and fuel
b) The proper mixture of fuel and air
c) The fuel and air must be at the proper temperature for ignition
d) The air must be at the proper temperature for ignition
e) All above
21
The function of the fuel injection system is to_____________
a) Supply the eng’ne with the fuel.
b) Enable the engine to produce power with the appropriate amount of fuel
c) Provide the right amount of fuel at the right moment in a suitable condition for the combustion process
d) Feed the engine with the appropriate amount of fuel
e) A and B
22
What is the system used for measuring the ignition quality of a diesel fuel?
a) Heating valve
b) Cetane numbers
c) Flash points
d) 90 percent boiling points
e) Cooling water temperature
23
Blue smoke coming from the diesel exhaust would indicate:
a) Excessive fuel consumption / unburned fuel
b) Burning of lube oil due to possible blow by
c) Lean fuel / air mixture, too much air
d) Less amount of fuel consumption
e) None of the above
24
Low lubricating oil temperature at reduced loads can be avoided by regulation the:
a) Pressure relief valve
b) Heater relief valve
c) Lubrication oil pump governor
d) Priming pump control
e) Cooler bypass valve
25
Lubrication oil viscosity in an operation diesel engine can be reduced by:
a) Overloading the engine
b) Increasing the amount of lube oil
c) Decreasing the amount of cooling water
d) Combustion by products contamination
e) Fuel oil dilution
26
All diesel lubricating system must:
a) Have a forced feed mechanical lubricator
b) Prevent oil fog in the crankcase to avoid crankcase explosion
c) Provide oil for cooling the piston and cylinder wall
d) Provide a film of oil between the piston and cylinder wall
e) None of the above
27
All of the following are used for low temperature starting, except:
a) Ether
b) Jacket water heaters
c) Both A and B
d) Air intake heaters
e) Cylinder compression ratio reduced
28
Which of the following is highly advised to be used for washing turbo charger blower by the manifacturers?
a) Hotwater
b) ACC9+Hot water
c) Filter clean+hotwater
d) Carbon remover+hot water
e) Descalex liquid+ hot water
29
If a centrifugal pump is noisy with excessive vibration during its operation, the cause would most likely be due to_____________
a) Bent shaft
b) Worn wearing rings
c) Reverse rotation
d) Excessive sealing water pressure
e) B and C
30
With a reciprocating pump, failure to deliver liquid may be caused by_____________
a) Pump not being primed
b) Discharge head too high
c) Liquid plunger packing worn
d) Any of the above
e) Only A and B
31
_____________leads excessive lost motion in the valve mechanism of a duplex pump.
a) The pump to short stroke continously
b) The pistons to stop in mid stroke
c) The pump to operate sluggishly
d) The cushioning valves to wear
e) A and B
32
If the flow of water from a centrifugal pump is stopped by closing the discharge valve with the pump running:
a) The relief valve will open
b) The water pressure will stabilize at shut off head
c) The water pressure will tend to rise continuously
d) The driver will be over loaded
e) The water temperature will tend to decrease continuously
33
The purpose of the low pressure cutout switch is to:
a) Maintain liquid refrigerant at the suction of the compressor
b) Maintain a preset suction pressure to the compressor
c) Cut out the compressor at a set pressure
d) Maintain compressor in at a preset temperature
e) Cut compressor in and out at a preset pressure
34
In terms of pressure and temperature, what happens to the primary refrigerant in the compressor?
a) Its pressure and temperature are both lowered
b) Its pressure and temperature are both raised
c) Its pressure and lowered and its temperature is raised
d) Its pressure is raised and its temperature is lowered
e) None of the above
35
Watertube boilers are designed to operate within the conditions of_____________
a) High pressure, temperature, capacity
b) Low pressure but high capacity
c) Heavy but quick steam raising process
d) A and C
e) For the auxilliary purposes
36
All boilers have a_____________where the fuel is burned to release the energy, and a_____________is a place where steam and water are seperated.
a) Furnace/combustion chamber
b) Combustion chamber/drum
c) Furnace/fittings
d) Drum/furnace
e) Combustion chamber/fittings
37
Which below can be named as device for controlling speeds of turbines?
a) Throttle valve
b) Overspeed trip
c) Speed requlating governor
d) All above
e) Only A and B
38
Which factor below is not the cause of vibration and noise in turbines?
a) Unbalance
b) Dıstortion of casing
c) Loose couplings
d) Tight couplings
e) Any above
39
The purpose of the evaporator is to:
a) Absorb latent heat of vaporization
b) Absorb latent heat of fusion
c) Transfer latent heat of vaporization
d) Transfer latent heat of fusion
e) Transfer latent heat of freezing
40
The drains from both effects in a low pressure evaporator have their pressures equalized in the:
a) Equalizer tank
b) Drain tank
c) Flash chamber
d) Air ejector condense
e) Fuel oil tank
41
The second effect on a two pass evaporator receives its steam from:
a) De-superheated steam
b) Vapors from first effect
c) Auxiliary back pressure
d) Auxiliary forward pressure
e) None of the above
42
The purpose of a heat exchanger is to:
a) Eliminate hot air from the condenser
b) Maintain steady pressures in a system
c) Heat or cool one fluid by means of another fluid
d) Reduce the engine room temperature in tropical climates
e) Maintain steady temperature in a system
43
Why do you add cornstarch to an evaporator?
a) To cut down on priming and scale
b) To make the water taste better
c) To prevent high temperatures
d) To increase the rate of vaporization
e) To reduce the temperature of fresh water
44
_____________is the circulation and refreshing of the air in space without necessarily a change of temperature.
a) Refrigeration
b) Air conditioning
c) Ventilation
d) Cooling
e) Freezing
45
When purging a refrigeration system, the compressor is_____________
a) Running
b) Running with the bypass open
c) Shut down
d) Running with the bypass closed
e) Running stedily
46
All refrigerator compressor valves are opened and closed via_____________
a) Springs
b) Camshaft
c) Pressure differential
d) A or C
e) None above
47
Prior to port arrival, a diesel alternator_____________, turbo alternator_____________, and all the full away procedure should be done_____________
a) Will have to be started/will be shut down/in reverse order
b) Doesnot have to be started/will have to be shut down/in reverse order
c) Will have to be started/will have to be started/in right order
d) Will have to be shut down/will have to be started/in reverse order
e) Doesn’t have to be shut down/will have to be shut down/in right order
48
When oil is heated, it becomes_____________
a) Less viscous
b) Emulsified
c) More viscous
d) Vitrified
e) Not necessarly vitrified
49
Low head pressure can be caused by_____________
a) Too much condensing water
b) Too cold condensing water
c) Leaky discharge valves
d) Insufficient change of refrigerant
e) Any of the above
50
The instrument always used in conjunction with a salinity indicator is the:
a) Pyrometer
b) Thermometer
c) Hygrometer
d) Hydrometer
e) Oxygen meter
51
_____________is hardly the cause of a smoky diesel engine exhaust.
a) Overload
b) Malfunctioned injector
c) Choked exhaust pipe
d) Inappropriate amount of fuel
e) Appropriate amount of fuel
52
When starting ballasting_____________valve should be opened last
a) Seacock
b) Pump discharge valve
c) Deck filling valve
d) Tank suction valve
e) None above
53
Flashlights used aboard tankers must be_____________
a) Waterproof
b) Of the three cell type
c) Approved by the Board of fire underwriters
d) All above
e) A and C
54
Fire detecting and extinguishing equipment is required on all_____________
a) Cargo vessels
b) Passenger vessels on international voyage
c) Vessels over 150 feet in length
d) Vessels over 450 feet in length
e) Cruise boats
55
_____________is the first signal of lube- oil trouble.
a) Lube oil gravity tank low level alarm goes off
b) Low lube oil sump level
c) Low outlet temperature from lube oil coolers
d) No flow throught bull’s eye from gravity tank observed
e) A and B
56
The usual cause of crankcase explosions in diesel engines is not_____________
a) Heating lubricating oil
b) Overheating lubricating oil
c) Poor condition of the cylinder
d) Crank shaft bearing failures maintenance
e) Any above
57
_____________is not one of the advantages of the open cooling system.
a) Being the simplest system
b) No requirement of heat exchange
c) Obligation of keeping engine cool
d) The requirement of only one water circulating pump
e) The requirement of 2 water circulating pumps
58
Refrigerant leakage from the compressor crankcase is prevented by_____________
a) Using skirt type pistons
b) Using shaftseals
c) Using lantern rings
d) Maintaining a vacuum in the crankcase
e) Any above
59
The TEV (thermostatic expansion valve) is located between:
a) The receiver and the king valve
b) The king valve and solenoid
c) Both A and B
d) The solenoid valve and evaporator
e) The charging valve and solenoid
60
Another name for the liquid valve is:
a) Master valve
b) King valve
c) Freon valve
d) Shut off valve
e) None of above
61
What is the high pressure side of the refrigeration system?
a) Compressor to condenser
b) Evaporator to compressor
c) Expansion valve to evaporator
d) Compressor to expansion valve
e) Evaporator
62
The low pressure side of a refrigeration system is from the:
a) Expansion valve to compressor
b) Compressor to expansion valve
c) Expansion valve to the evaporator
d) Condenser to the expansion valve
e) None of the above
63
The reciprocating motion of a connecting rod is transformed into a rotary motion by the:
a) Crankshaft
b) Crankwebs
c) Crank cheeks
d) Crankpine
e) Piston
64
The bulb for the TEV (thermostatic expansion valve) is located:
a) In the middle of the evaporator coils
b) Near the evaporator coil outlet
c) Near the evaporator coil inlet
d) On the bottom row of the evaporator
e) None of the above
65
The solenoid valve can be typed as a:
a) Thermal valve
b) Magnetic stop valve
c) Bellows valve
d) Bimetallic valve
e) Both C and D
66
What is the advantage of using a hydraulic starting system for an emergency diesel?
a) The system is inexpensive
b) High pressure lines are not required
c) It is compact
d) Faster cranking speeds are obtained
e) None of the above
67
Worn bearings, rings, and valves all contribute to:
a) Poor reversal
b) Quiet operation
c) Hard starting
d) High pressure
e) None of the above
68
What would cause white smoke after you just started the diesel?
a) Too week battery power
b) Water in the fuel
c) Water in the gas
d) Water in the oil
e) Salt water in cooling water
69
Pre combustion chambers in a diesel engine:
a) Require that each cylinder use two spray nozzles
b) Require the use of flat crowned pistons to obtain turbulence
c) Permit the use of a wide range of fuel in that engine
d) Contain all of the air charge at the end of the compression stroke
e) Require that each cylinder use more than four spray nozzles
70
The turbocharger of an auxiliary diesel engine is most effected by:
a) Air inlet manifold pressure
b) Engine speed
c) Exhaust temperature
d) Engine load
e) None of the above
71
The coils in the evaporator are attached to the header by:
a) Pipe nipples
b) Union type fittings
c) Welding
d) Bolted flanges
e) Both C and D
72
The system used for breaking scale from the evaporator coil while the evaporator is in operation is called:
a) Recirculating
b) Blowing down
c) Cracking off
d) Dumping
e) None of above
73
Cylinder liner are generally used on diesel engines because:
a) Liners may be easily replaced after the cylinder walls show wear
b) Liners provide a more efficient cooling system
c) Rubbing speeds are reduced through the use of liners
d) Liners provide a better lubricating surface
e) None of the above
74
An over speeding diesel engine could best be stopped by:
a) Disconnecting the battery cables from the stating motor
b) Blocking the air intake and securing the fuel supply
c) A raining the hydraulic fluid from the governor sump
d) Blocking the flow of cooling air to the radiator
e) Both C and D
75
The dehydrator on a refrigeration plant is used to:
a) Add moisture to the system
b) Remove moisture from the system
c) Remove air from the system
d) Remove oil from the system
e) Both C and D
76
As freon leaves the expansion valve:
a) Pressure decreases – volume increases
b) Volume decreases – pressure increases
c) Volume increases – pressure increases
d) Pressure increases – volume decreases
e) None of the above
77
Regardless of the geographical location of on oil spill, you should notify the_____________
a) Local police department
b) Local fire department
c) Corps of Engineers
d) Coast Guard
e) The pilot
78
_____________is the principal hazard to staff when a diesel nozzle tester is in use is
a) Electrical shock
b) Toxic fumes
c) Explosion
d) Blood poisoning
e) Loosing consciousness
79
The oil level in the compressor should be checked:
a) While the compressor is in operation
b) Just before starting the compressor
c) After a long period of operation
d) For both B and C
e) None of the above
80
In a diesel engine closed cooling system, the flow of fresh water through the fresh water and lube oil coolers is controlled by the:
a) Speed of the engine
b) Speed of the pump impeller
c) Automatic temperature regulator
d) Suction pressure regulator
e) Governor
81
A “pneumercator” measures:
a) Oil pressure
b) Air level
c) Liquid level
d) Air pressure
e) Air temperature
82
What type of gauge reads pressure and vacuum?
a) Duplex
b) Simplex
c) Both B and C
d) Compound
e) Bourdon tube
83
Minor freon leaks can be detected by the use of a device called:
a) A freon visible leak detector
b) A freon audible leak detector
c) The blue oven flame detector
d) Halide torch
e) None of the above
84
Most gauges in the fire room are:
a) Manometers
b) Thermocouples
c) Dual purpose
d) Thermometers
e) Bourdon tube – type
85
It is true that ships_____________
a) are designated only for cargo transportation and service performing
b) can be classified as merchant ships, naval ships and pleasure crafts
c) are propelled by means of rudder
d) have only holds for cargo loading
e) mostly operate on gas turbine
86
What is not carried by a tanker?
a) crude oil
b) chemical substances
c) asphalt
d) frozen food
e) wine
87
_____________carry propane, LPG or LNG.
a) bulk carriers
b) heavy lift ships
c) reefers
d) gas carriers
e) livestock carriers
88
Ore, sugar, fertilizer, coal and cement are carried by a_____________
a) gas carrier
b) reefer
c) bulker
d) tanker
e) purse seiner
89
What statement isn‟t true regarding service ships?
a) Cable layers lay and repair transoceanic cables
b) Dredgers deepen the canals, clear the muddy bottoms of waterways or ports
c) Tugboats tow ships and assist large vessels in manoeuvring
d) LASH ships are designed to carry refrigerated cargo
e) Icebreakers open lanes through icy waters
90
The vessels carry farm animals such as cow, sheep are_____________
a) reefers
b) livestock carriers
c) trawlers
d) OBOs
e) Bulk carriers
91
Trawlers, whaling ships and purse seiners are in the category of_____________
a) pleasure crafts
b) fishing vessels
c) passenger ships
d) naval ships
e) excursion boats
92
The main body of a ship is called;
a) keel
b) bottom
c) deck
d) hull
e) beam
93
The system for altering the ships direction is called;
a) propulsion
b) steering
c) thrust
d) shafting
e) displacement
94
A floating ship displaces water equal to its own weight. What word can be used instead of the underlined word?
a) flooding
b) afloat
c) rolling
d) pitching
e) mooring
95
The measurement of enclosed volume of a ship is defined by;
a) load displacement
b) displacement
c) deadweight
d) net tonnage
e) tonnage
96
How often should the emergency diesel be run under load?
a) Once a year
b) Once a month
c) Once a week
d) At survey time only
e) At drydock
97
If one fuel oil strainer of a duplex unit becomes clogged while your vessel is steaming at sea, you should first:
a) Clean the dirty strainer as quickly as possible
b) Change the strainer over to the clean side
c) Stop the fuel oil service pump
d) Open the strainer bypass valve
e) Stop the engine
98
With the diesel running, white smoke starts coming out of the stack and the diesel stops. What would be the cause?
a) Low lube oil pressure
b) High lube oil pressure
c) Super charger running too fast
d) Leaky injector
e) Fuel oil filters full of water
99
The main characteristics of a diesel engine is:
a) internal combustion engine; the fuel is burned external of the cylinders
b) producing high power of energy
c) either 2 or 4 stroke, fuel is burned inside the cylinders
d) economical in compare with the steam engines, but hard maintenance
e) fixed sequence of events within its unique type
100
The sequence of events in a cycle within 4 stroke diesel engine is:
1-The piston is forced down at BDC (Bottom Dead Center) exhaust valve opens
2-The piston is at the top of its stroke, TDC (Top Dead Center), inlet valve opens, fresh air is drawn
3-Pressure is high in the gases
4-Fuel is injected as the piston reaches TDC, to start the combustion
5-Inlet valve opens, fresh air is drawn as the piston moves down
6-At the bottom of the stroke BDC inlet valve closes and the air in cylinder is compressed as the piston rises
a) 2-5-6-4-3-1
b) 2-5-6-4-1-3
c) 2-6-5-4-3-1
d) 5-2-4-6-3-1
e) 5-2-6-4-1-3
101
Which one is not identical with the characteristics of the construction of a-2-stroke diesel engines?
a) Instead of valve holes, ports are installed
b) A cycle is completed in 2 strokes of the piston
c) Produce high power in compare with 4 stroke engines
d) The maintenance is simple
e) A cycle is completed in 2 revolution of the crackcase
102
Which of the following is not one of the parts of D/G overhaul?
a) Valve rotator
b) Valve spindle
c) Intake valve
d) Valve seat
e) Starting valve
103
Scavenging means_____________on an internal combustion engines.
a) The removal of exhaust gases by blowing in fresh air
b) The filling of the engine cylinder with a supply or change of fresh air
c) The formation of exhaust gases within the cylinder
d) The removal of exhaust gases
e) Any above
104
Pre- ignition can be caused by_____________in an operating diesel engine.
a) Excessively late fuel injection
b) Oil in the air charge
c) Water in the fuel
d) Injection continuing after the fuel charge is ignited
e) None above
105
What would cause a diesel to have black smoke?
a) Leaky injector
b) Too heavy oil
c) Water in the gas
d) Water in the oil
e) None of the above
106
An overspeeding diesel engine could best be stopped by:
a) Disconnecting the battery cables from the starting motor
b) Draining the cooling water
c) Draining the hydraulic fluid from the governor sump
d) Blocking the flow of cooling air to the radiator
e) Blocking the air intake and securing the fuel supply
107
What type of gasket is used on a steam joint?
a) Asbestos
b) Rubber
c) Wire inserted rubber
d) Plastic
e) None of these apply
108
On a diesel engine, a freshwater heat exchanger is used rather than a saltwater one to:
a) Maintain fuel oil temperature
b) Maintain lube oil temperature
c) Cut down on rust and corrosion
d) Keep the engine block from freezing in cold weather
e) Maintain air temperature
109
A steam turbine has curved blades.What word can be used as the opposite of the underlined word?
a) straight
b) flat
c) sharp
d) smooth
e) vertical
110
The steam turbine can be connected to a reduction gear to produce motion. What word can be used instead of the underlined word as a synonym?
a) force
b) movement
c) velocity
d) buoyancy
e) thrust
111
In a steam turbine, the jet of steam is directed against the blades and it_____________the rotor.
a) fails
b) reduces
c) displaces
d) acts
e) turns
112
An internal combustion engine converts heat energy_____________mechanical energy.
a) on
b) up
c) into
d) from
e) through
113
What is the flexible coupling used for?
a) Small amount of misalignment
b) Take up for vibration in the shaft
c) to allow for expansion
d) Connects between the bull gear and the tail shaft
e) To allow for streching
114
The upper section of a piston is called the:
a) Land
b) Skirt
c) Crown
d) Plate
e) Disk
115
The main stationary parts of an engine are_____________
a) bedplate, engine frame, crankshaft, cylinder block, cylinders and liners
b) bedplate, engine frame, crankcase, cylinder block, cylinders and liners
c) bedplate, engine frame, crankcase, crosshead, cylinders and liners
d) bedplate, engine frame, crankcase, pistons and liners
e) bedplate, engine frame, crankcase, connecting rod, cylinders and liners
116
What is supported by main bearings?
a) crankcase
b) camshaft
c) crosshead
d) crankshaft
e) tailshaft
117
The cylinder cover is tightened against liner with studs. What word can be used instead of the underlined word?
a) removed
b) replaced
c) screwed
d) slackened
e) supported
118
Fuel valve, inlet and exhaust valves are_____________by cylinder head.
a) mounted
b) exposed
c) released
d) operated
e) housed
119
A metal formed by combining two or more metals is;
a) cast
b) forged
c) alloy
d) raw
e) moulded
120
The cooling water_____________through the jacket for cooling the cylinder.
a) distils
b) circulates
c) conveys
d) pours
e) boils
121
When an engine is installed, the bedplate is seated on the_____________
a) crankcase
b) entablature
c) foundation
d) main bearings
e) cylinder block
122
On a four stroke engine, the power resulting from combustion is transmitted to the crankshaft by means of_____________
a) crankcase
b) cylinder cover
c) crosshead
d) piston
e) bedplate
123
The main components of crankshaft assembly are webs, pins and journals. What word can be used instead of the underlined word?
a) purposes
b) sides
c) parts
d) types
e) means
124
The motion of the piston in the cylinder is;
a) rotary
b) axial
c) bending
d) fluctuating
e) reciprocating
125
Fuel is ignited in the cylinder of an operating diesel engine by:
a) The heat of compression within the cylinder
b) A spark plug in the pre-combustion chamber
c) An electrical discharge from the distributor
d) Heat from the fuel injection nozzle
e) With a simple spark plug
126
The burning of fuel and air mixture inside a cylinder of a diesel engine is called as;
a) compression
b) combustion
c) supercharging
d) scavenging
e) condensation
127
The movement of piston from top dead centre to bottom dead centre or from bottom to top in a cylinder is defined by;
a) cycle
b) combustion
c) stroke
d) scavenging
e) revolution
128
What has not a rotary motion?
a) crankshaft
b) propeller shaft
c) turbine rotor
d) piston
e) impeller
129
„The intake valve is open and exhaust valve is closed. The air is drawn into cylinder while the piston is moving downward‟ defines;
a) power stroke
b) compression stroke
c) intake stroke
d) exhaust stroke
e) combustion
130
The intake and exhaust valves are closed_____________the power stroke.
a) by
b) under
c) during
d) after
e) till
131
The power produced in the cylinder is called;
a) cycle
b) combustion
c) Brake Horse Power(BHP)
d) Indicated Horse Power(IHP)
e) Revolutions Per Minute (RPM)
132
On two stroke engines, the process of removing the burned gases out of the combustion chamber by blowing in fresh air is called;
a) supercharging
b) turbo charging
c) scavenging
d) alignment
e) compressing
133
On two stroke engines, if the engine has exhaust valve(s), it is a_____________-scavenged engine.
a) cross flow
b) non-flow
c) overflow
d) loop
e) uniflow
134
What types of lubricating oil systems are used on diesel engines?
a) Forced feed and gravity
b) Forced feed and splash
c) Both A and B
d) Gravity and wick
e) Wet sump and dry sump
135
What word has a positive meaning?
a) abrasion
b) corrosion
c) contaminate
d) overpressure
e) overhaul
136
What system is used to protect engine parts against wear and friction?
a) fuel oil system
b) lubricating system
c) cooling system
d) ballast system
e) domestic water system
137
The oil temperature is controlled by means of a_____________in the lubricating oil system.
a) preheater
b) sump
c) cooler
d) thermostatic valve
e) strainer
138
The lubricating oil is pumped_____________the sump_____________the oil cooler for cooling.
a) by / to
b) to / from
c) through / into
d) from / to
e) in / by
139
Before starting an auxiliary diesel engine, you should:
a) Change fuel oil strainers
b) Clean the air filter
c) Check the crankcase oil level
d) Vent the cooling system
e) Clean flywheel
140
A propeller turning clockwise when viewed from aft is considered rihgt handed and most single screw ships have_____________propellers. A twin screw ship usually has a___________________________propeller and a___________________________propeller.
a) Right handed/right handed starboard/left handed port
b) Right handed/right handed port/left handed starboard
c) Left handed/right handed starboard/left handed port
d) Left handed/right handed port/left handed starboard
e) Right handed/left handed starboard/right handed port
141
Having an unstarting compressor must make you think the possibiliy of_____________
a) No charge of liquid in the system
b) Closed solenoid valves
c) A and B
d) None above
e) Having sufficient amount of air
142
The suction control switch on the compressor is a_____________
a) Thermal element
b) Thermostat
c) Pressure element
d) None above
e) All of above
143
_____________leads in a noisy compressor
a) Too much oil in circulation
b) Worn out parts i.e. pistons / pins etc
c) Vibration
d) Inadequate lubrication
e) Any above
144
If a bilge pump failed to build up discharge pressure, you should check for:
a) Excessive water in the bilges
b) A clogged suction strainer
c) Oil in the bilges
d) A closed skin valve
e) None of the above
145
Which of the following indicates pump‟s function instead of its structure?
a) bilge pump
b) centrifugal pump
c) positive displacement pump
d) gear pump
e) reciprocating pump
146
Air receivers are used to_____________the compressed air.
a) clean
b) compress
c) expand
d) store
e) produce
147
The storing place for perishable food provisions on board is ;
a) galley
b) mess
c) cold room
d) duct
e) locker
148
The pump type using a piston or plunger to remove the fluid;
a) rotary vane pump
b) gear pump
c) reciprocating positive displacement pump
d) screw pump
e) centrifugal pump
149
An instrument to regulate and stop the flow of liquid in a piping system is:
a) pump
b) strainer
c) viscosity regulator
d) valve
e) duplex filter
150
The excess pressure in the pipe system is discharged by a;
a) throttling valve
b) relief valve
c) non-return valve
d) stop valve
e) butterfly valve
151
Fire tube boilers are designed to operate within the conditions of:
a) High pressure, temperature
b) Low pressure, temperature
c) High capacity and quick steam raising process
d) Low capacity but quick steam raising process
e) High capacity but they are heavy
152
To produce steam on board a ship,_____________are mostly used.
a) steam turbines
b) purifiers
c) boilers
d) clarifiers
e) evaporators
153
The purpose of superheater is;
a) reducing the temperature of steam above the saturation point.
b) using exhaust gases to heat the steam and improve the efficiency of boiler
c) maintaining the water level in the system
d) accelerating the rate of combustion
e) removing moisture from steam by increasing its temperature above the saturation point
154
To remove the impurities and water droplets from oil,_____________are used on board a ship.
a) purifiers
b) clarifiers
c) centrifuges
d) separators
e) all
155
Which of the following isn‟t a component of a water tube boiler?
a) burner
b) header
c) downcomer
d) steam drum
e) booster pump
156
The purpose of an evaporator is to_____________
a) Transmit the latent heat of fusion
b) Transmit the latent heat of evaporation
c) Absorb the latent heat of evaporation
d) Absorb the latent heat of fusion
e) Any above
157
By definition a separator: I. removes solids from the lube oil; II. removes water from the lube oil.
a) I
b) II
c) I and II
d) Neither I nor II
e) Any of above
158
_____________is a process , in which the temperature of a space on whatever takes place in, is reduced below that of their surroundings.
a) Refrigeration
b) Air conditioning
c) Ventilation
d) Heating
e) Freezing
159
_____________is the control of temperature and humidity in a space together with the circulation, filtering and refreshing of the air.
a) Refrigeration
b) Air conditioning
c) Ventilation
d) Cooling
e) Circulating
160
The heat which is used to change a liquid to a gas or vapor is called latent heat of_____________
a) Absorption
b) Fusion
c) Liquid
d) Evaporization
e) Fission
161
As Freon leaves the expansion valve_____________
a) Pressure increases – volume increases
b) Pressure decreases – volume increases
c) Pressure decreases – volume decreases
d) Pressure increases – volume decreases
e) Pressure increases – no change in the volume
162
An overheated bearing in the main propulsion unit is indicated by:
a) Bubbles in the sight glass
b) Sludge in the strainers
c) A high oil level in the sump
d) Low temperature of the lube oil leaving the bearing
e) High temperature of the lube oil leaving the bearing
163
A ball bearing will overheated if:
a) Completely full of grease
b) Half full of grease
c) In use for a long time
d) Operated at high speed
e) Operated at medium speed
164
Filters are installed ahead of air line lubricators for the primary purpose of removing:
a) Heat of compression
b) Air supply pressure pulses
c) Moisture in the air supply
d) Turbulance in the air supply
e) Water in the air supply
165
While making your rounds, you notice the main lube oil temperature is higher than normal. To remedy this situation, you should:
a) Speed up the main lube oil pump
b) Open the lube oil cooler seawater inlet valve wider
c) Throttle in on the lube oil cooler seawater discharge valve
d) Close the lube oil cooler seawater discharge valve wider
e) Open the lube oil cooler seawater discharge valve wider
166
How are line shaft bearings usually lubricated?
a) A gravity-feed
b) Pressure-feed
c) Oil lubricating disks
d) Oil lubricating rings
e) Oil injectors
167
Emulsification of oil will occur when mixed with:
a) Air
b) Water
c) Black oil
d) Ice cream
e) Oxygen
168
The liner which has no direct contact with the cooling water is what kind of a liner?
a) Wet
b) Dry
c) Integral
d) None of the above
e) Cooled with lubrication oil
169
Which of the following types of valves is used in the bilge manifold?
a) Swing check
b) Nonreturn
c) Angle
d) Globe
e) Butterfly
170
The function of the exhaust system for a turbocharged diesel engine is to_____________
a) Power the aftercoolers
b) Power the turbocharger
c) Reduce the cylinder scavenge effect
d) Cool the turbocharger
e) Any above
171
Before ballasting by gravity_____________
a) Pump in ballast for about 10 minutes to wash out bottom lines
b) Start pump before opening sea valves
c) Make sure all proper valves are open
d) All of above
e) A and B
172
A fire sprinkling system must be fitted_____________
a) On all vessels over 5.000. GT
b) In conjunction with the CO₂ system
c) With a pressure tank of fresh water to the supply system pending the starting of the pump
d) None of the above
e) A and C
173
Any automatic sprinkler, fire detection and fire alarm system shall be capable of immediate operation at all times and no action by the crew shall be necessary to set it in operation. Each section of sprinklers shall include means for giving a visual and audible alarm automatically whenever any sprinkler comes into operation. Sprinklers shall be grouped into separate sections, each of which shall contain not more than 200 sprinklers. Each section shall be capable of being isolated by one stop valve only. A gauge indicating the pressure in the system shall be provided at each section stop valve and a central station. The sprinklers shall be resistant to corrosion by marine atmosphere. In accommodation and service spaces the sprinklers shall come into operation within the temperature range from 68°C to 79°C. A list or plan shall be displayed at each unit and suitable instructions for testing and maintenance shall be available. Sprinklers shall be placed in an overhead position to maintain an average application rate of not less than 5 l/m²/min over the area covered by the sprinklers.
According to the passage, it isn‟t true that;
a) The sprinklers can be affected by marine atmosphere.
b) They will be in an overhead position to maintain the average application.
c) The pressure in the system is displayed by a pressure gauge
d) Sprinkler system is used either fixed or mobile on board.
e) The system shall be divided into sections.
174
Sprinklers shall be placed in an overhead position to maintain an average application rate of not less than 5 l/m²/min over the area covered by the sprinklers.
What word can be used instead of the underlined word?
a) run
b) keep
c) place
d) repair
e) change
175
The pipes and hydrants shall be so placed that the fire hoses may be easily coupled to them. Their arrangement shall be such as to avoid possibility of freezing. A valve shall be fitted to serve each fire hose so that any fire hose may be removed while the fire pumps are at work. Fire hoses shall be non-perishable material and be sufficient in length to project a jet of water to any of spaces. Each hose shall be provided with a nozzle and the couplings. In passenger ships there shall be one fire hose for each of the hydrants and these hoses shall be used only for fire extinguishing. In cargo ships of 1000 GT and upwards the number of fire hoses shall be one for each 30 m length of the ship and one spare but in no case less than five at all. This number doesn‟t include any hoses required by any engine or boiler room. Standard nozzle sizes shall be 12 mm, 16 mm and 19 mm. All nozzles shall be dual-purpose type (spray/jet type) incorporating a shut off.
According to the passage, nozzles shall be_____________
a) either spray or jet type
b) both spray and jet type
c) neither spray nor jet type
d) only jet type
e) only spray type
176
_____________the fire pumps are at work. What word can be used instead of underlined part?
a) inoperable
b) operable
c) in operation
d) arranged
e) out of order
177
The process of supplying the intake of a diesel engine with air at a pressure greater than atmospheric is called:
a) Engine displacement
b) Scavenging
c) Air injection
d) Supercharging
e) Intercooling
178
What associate isn‟t true?
a) pumps-sanitary pump
b) oil treatment-Alcap
c) refrigeration-cold room
d) fuel oil system-sump
e) main propulsion unit-gas turbine
179
„bowl, Alcap, clarifier‟ The terms are related to;
a) feed water treatment
b) fresh water generation
c) refrigeration
d) oil treatment
e) air conditioning
180
Oily water separators are used to separate oil from bilge water_____________the bilge water is pumped_____________
a) after / overboard
b) before / overboard
c) before / inboard
d) after / out
e) when / aboard
181
_____________of the oil separators use the centrifugal force.
a) none
b) any
c) neither
d) a little
e) most
182
Under normal operational conditrons, the rudder is hydraullically locked unless_____________
a) The manual trick wheel is engaged for steering
b) The pupm is off stroke
c) A normal rudder order is given by the control system
d) An electric power failure occurs at the steering gear
e) A and B
183
In the simple mechanical governor, the:
a) Flyweight centrifugal force is balanced by spring pressure
b) Centrifugal force rotates the ball head
c) Flyweight centrifugal force is balanced by hydraulic pres sure
d) Speeder spring actuates the fuel control rod
e) Hydraulic force rotates the ball head
184
On most diesel engines, the governor controls the speed by:
a) Controlling the amount of fuel injected into the cylinders
b) Varying the speed of the turbocharger
c) Adjusting the compression ratio
d) Changing the timing of the fuel injection camshaft
e) Changing the timing of the exhaust valves
185
_____________ships are fitted with bow thrusters to improve_____________manoeuvring capability.
a) any / its
b) some / them
c) some / their
d) all / they
e) all / its
186
„ram, rudder, telemotor‟ The terms are related to;
a) propulsion system
b) refrigeration system
c) fire detection system
d) steering system
e) electric generation
187
What is not included in the category of deck machinery?
a) windlass
b) hatch cover
c) bow thrusters
d) steam generator
e) lifeboat engine
188
„hawse, wildcat, drum, chain locker' The terms are related to;
a) steering gear
b) anchoring equipment
c) mooring equipment
d) bow thrusters
e) cargo handling equipment
189
What word is not related to cargo handling equipment?
a) tiller
b) derrick
c) hoisting
d) jib
e) crane
190
What statement is true regarding deck machinery?
a) Deck machinery is used only for cargo handling
b) Deck machinery can be driven by hydraulic, electric or steam force
c) Tankers mostly use electric-driven deck machinery
d) Navigation and the conduct of ship mostly depend on deck machinery
e) Deck machinery is controlled from the engine room
191
Which is not a reason for taking on ballast?
a) reducing the draft
b) preventing the propeller from slipping
c) providing a better stability for ship
d) better distribution of weight throughout the vessel
e) reducing the freeboard
192
One horsepower equals_____________
a) 1000 watts
b) 746 watts
c) 100 watts
d) 940 watts
e) 786 watts
193
Emergency generators are placed --------------------
a) Near the machinery space
b) Above the bulkhead or freeboard deck whichever the higher
c) Midships near the engine room casing
d) Above the deep load line
e) None above
194
Static electricity is most often produced by_____________
a) Pressure
b) Heat
c) Magnetism
d) Friction
e) Motion
195
When vacuum is lost on a turbo generator the trip is actuated by_____________
a) Sentinel valve
b) Back pressure
c) Slugs of water
d) Overspeed trip
e) A and B
196
Emergency generators can be stopped via -----------------
a) Ovelvoltage trip
b) Overspeed trip
c) Manual trip
d) Undervoltage
e) Any above
197
_____________is the first to do when securing an AC generator.
a) Tripping the generator circuit breaker
b) Switching the voltage regulator to manual
c) Decreasing the field excitation to minumum
d) Reducing the load on the unit
e) Increasing the load on the unit
198
Any electric motor can be constructed to be_____________proof.
a) Short
b) Ground
c) Explosion
d) Overload
e) A and B
199
Which of the following instruments is not included in the electrical equipment?
a) alternator
b) incinerator
c) fuse
d) switchboard
e) circuit breaker
200
The purpose of transformers is to_____________the voltage.
a) increase
b) raise
c) complete
d) reduce
e) insulate
201
Supposing a fire caused by short electric circuit within the equipments is categorized as a_____________fire and will be extinguished vıa_____________
a) Class A/foam
b) Class C/chemical powder
c) Class C/CO₂
d) Class B/foam
e) Class A/chemical powder
202
In case of burning of radio equipments on the bridge the extinguishers should be the same as the ones to be used in_____________fires, keeping in mind that the fire will turn out tobe a_____________fire when starting firefighting takes long.
a) Class E/Class A
b) Class E/Class B
c) Class B/Class A
d) Class C/Class A
e) Class C/Class E
203
In the incident of oil fire_____________
a) Get water on deck
b) Open steam or CO₂ smothering system to cargo holds
c) Close off all ventilation, blowers, doors etc.
d) Open CO₂ smothering system to cargo holds
e) All above
204
In accordance with the international requirements, the bilge purifier will seperate oily water within the density of_____________
a) < 15 particular per million
b) < 15 particular post million
c) < 15 particular per meter
d) ≤ 15 particular per meter
e) < 15 particular per billion
205
If the quantity of oil and particles in separated oily water is_____________15 ppm, it can be drained overboard.
a) below
b) over
c) at
d) above
e) up
206
It is prohibited by law that the discharge of untreated sewage in restricted waters. What word can be used instead of the underlined word?
a) insufficient
b) raw
c) refined
d) separated
e) contaminated
207
Which one is not treated on board?
a) sewage
b) feed water
c) fresh water
d) lube oil
e) ballast water
208
The quantity of oil in separated water is controlled by a control unit. What sentence below has the same meaning?
a) Control unit controls the oil quantity and separate it.
b) The quantity of oil is separated and controlled by control unit
c) The oil quantity in water is separated by control unit
d) Control unit controls the oil quantity in separated water.
e) Separated water in oil is controlled by control unit.
209
When the separated oil is burnt by an_____________, the application is recorded in Oil Record Book.
a) oily water separator
b) ejector
c) incinerator
d) chlorinator
e) aeration chamber
210
Which of the below can be generated on board?
I- fuel oil
II- steam
III-electrical energy
IV-distilled water
a) I-II-III
b) I-II-IV
c) II-III-IV
d) III
e) I-III
211
Which of the following is carried on board in compliance with MARPOL?
a) Minimum Safe Manning Certificate
b) The Certificate of Registry
c) An International Sewage Pollution Prevention Certificate
d) Search and Rescue Cooperation Plan
e) Certificates for Master, Officers or Ratings
212
Garbage Record Book is carried in compliance with the regulations of_____________
a) SOLAS Convention
b) FAL Convention
c) STCW Code
d) Tonnage Convention
e) MARPOL Convention
213
_____________is used as a fire extinguisher in case of fires resulted from electrical equipment.
a) Soda acid
b) CO₂
c) Sand
d) Foam
e) C and D
214
The requirement for portable fire equipment is_____________
a) Annual check
b) Keeping in easily accessible places
c) Hose connections and keeping hoses in good condition
d) All above
e) Before the end of consuming period
215
The removal of contaminating impurities from lubricating oil will_____________
a) Increase engine wear
b) Decrease engine wear
c) Increase possible breakdowns
d) Decrease possible breakdowns
e) B and D
216
The lubricant is expected to have the qualities of_____________
a) Preventing metal-to metal contact
b) Causing metal to metal contact
c) Decrease friction
d) Decrease friction wear
e) All expect B
217
Cut out system on the aux boiler operates_____________
a) Low level alarm
b) Low low level alarm
c) High level alarm
d) High pressure alarm
e) Low pressure alarm
218
If one cylinder was getting more fuel than others the effect will be_____________
a) That cylinder’s being overloaded
b) The exhaust valve’s being overheated
c) Average compression
d) Incomplete combustion
e) Complete combustion
219
_____________is the cause of burned exhaust valves
a) Overloaded cylinder
b) Poor combustion
c) Distortion and faulty reseating maintenance
d) Any above
e) A and B
220
_____________should be followed as a procedure, if it is necessary to pump bilges while a vessel is in port
a) Pumping only if discharge is led to a shore tank or barge
b) Pumping only during the hours of darkness
c) Pumping only on the outgoing tide
d) Pumping only as much as is necessary
e) Pumping only the day hours
221
When a cargo hose joint or coupling starts to leak badly the attempt you should do is to...
a) Reduce pumping pressure and wrag leak securely
b) Shut down transfer and make repairs
c) Soak spill with sawdust and reduce pumping pressure
d) Wash deck immediately and close tank tops
e) Carry on transfer
222
A propulsion diesel engine is normally shut down by_____________
a) Shutting off the air supply
b) Overspeeding the engine
c) Securing the fuel supply
d) Securing the ignition system
e) All above
223
Water in the lube oil system may be detected by: I. sounding lube oil tanks with water sensitive paste; II. observing the purifier discharge.
a) I
b) II
c) I and II
d) Neither I nor II
e) None of above
224
Sediment collects in a tubular purifier:
a) On top cover
b) In drain line
c) On sides of bowl
d) On the discs
e) None of above
225
Electrohydraulic steering units are protected from pounding forces (rudder shock) by:
a) Buffer springs
b) Follow up mechanism
c) Relief valves
d) Relieving gear
e) Steering pumps
226
“Water hammer” is caused by:
a) Hitting water pipe with hammer
b) Too much water in pipe line system
c) Water in steam lines
d) Steam in water lines
e) Few amount of water in pipe line system
227
Blue smoke coming from the diesel exhaust would indicate:
a) Excessive fuel consumption/unburned fuel
b) Burning of lube oil due to possible blow-by
c) Lean fuel/air mixture, too much air
d) Insufficient amount of fuel consumption
e) None of the above
228
The valve which is always partially open when the evaporator is in operation is the:
a) Vapor valve
b) Continuous blowdown valve
c) Bottom blowdown valve
d) Surface blowdown valve
e) Fresh water valve
229
What kind of bolts would you use on a saltwater line?
a) Cold rolled
b) Brass
c) Cast iron
d) Plastic
e) All of the above
230
Studs and nuts intended for use in main steam line flanges and fittings are marked with an “H” or a “T” to show they are:
a) Heat resistant
b) Hard finished
c) Half threaded
d) Corrosion resistant
e) Fire proof
231
When distilling salt water the cooling-water discharge from the distiller is fed back to the evaporator as feedwater:
a) To cut down on the amount of cooling water needed
b) To prevent an excess amount of cooling water from being discharged to the bilges
c) To supply hot water to the evaporator for more economical operation
d) To supply sufficient amount of sea water
e) None of the above
232
The rotating part of a micrometer is the:
a) Anvil
b) Barrel
c) Frame
d) Thimble
e) Cover
233
Aftercooling of a turbocharged diesel engine will result in_____________brake horsepower.
a) Higher torque but lower
b) Lower torque but higher
c) Higher torque but higher
d) Lower torque and lower
e) Lower revolution
234
An advantage of aluminum pistons compared to cast iron pistons is:
a) Greater high temperature strength
b) Greater weight per cubic meter
c) Increased resistance to wear
d) Low temperature strength
e) Better heat conductivity
235
What harmful consequence can result from sludge in the lube oil system of a trunk piston diesel engine?
a) Clogged oil pump suction screens
b) Increased oil temperature
c) Stuck piston rings
d) Any of the above
e) None of the above
236
Trunk type diesel engine pistons are most effectively cooled when heat is:
a) Radiated through the engine block
b) Mixed with lubrication oil
c) Conducted through the piston crown
d) Transferred to escaping exhaust gases
e) Transferred to water cooled cylinder walls
237
The air supplied to the cylinders by a turbocharger is often reduced in volume by a/an:
a) Air compressor
b) Diffuser
c) Filter
d) Venturi
e) Aftercooler
238
Insufficient refrigerant in a refrigeration plant on board a ship may result in:
a) High discharge pressure
b) Frosting of the crankcase
c) High temperature of the overboard water
d) Low suction pressure
e) Low temperature of the sea water
239
A solenoid valve serves to control the :
a) Pressure in the evaporator coils
b) Amount of R-22 or R-134a entering the evaporator
c) Flow of R-22 or R-134a toward the expansion valve
d) Amount of circulating water to the cooling coils.
e) Pressure in the condenser coils
240
The thermostatic expansion valve of R-22 or R-134a refrigeration system controls the :
a) Back pressure in the evaporator coils
b) Temperature in the refrigerated space
c) Superheat in the refrigerant leaving the evaporator
d) Refrigerant pressure in high side
e) Temperature in the condenser
241
Which valve is normally closed when charging an R-22 or R-134a refrigeration system through the high side?
a) The thermal expansion valve
b) The dehydrator inlet valve
c) The suction line valve
d) Both the thermal expansion valve and dehydrator inlet valve
e) The liquid line king valve
242
_____________should be considered as a hazard on the propeller and a through examination and repair will be carried out when the vessel is in dry dock.
a) Bent blades
b) Signs of cracks on the blade edge
c) Deep pits and holes
d) Edge cracks
e) All above
243
Cavitation, the forming and bursting of vapor filled cavities or bubbles will result in_____________
a) A loss of thrust
b) Erosion of the blade surface
c) Vibrations in the afterbody of the ship
d) Noise
e) All above
244
Considering the fuel, ignition quality is determined by_____________
a) Cetane number
b) Diesel index
c) Calculated cetane index
d) Flash point
e) All except D
245
When the oil in the seperator is decreasing, which place cannot be leaking?
a) Lower bearing casing
b) Drum shaft
c) Wormgear shaft bearing hosing
d) Middle ball bearing casing
e) The o-ring at shock water entrance to seperator into shockwater
246
When operating at high or low speed in the use of nozzles in a turbine, attention and precaution must be taken that ............................
a) The nozzles in use should be wide open
b) Operation with a few nozzles as it’s economical
c) The nozzles not in use must be tightly closed
d) All above
e) Only A and B
247
_____________should be regarded as a special attention after installing a new hydraulic pump.
a) The relief filters should be readjusted
b) The filters and strainers should be checked frequently
c) System pressures should be readjusted
d) The fluid should be drained and renewed
e) All above
248
_____________protects the pump shafts from erosion, corrosion and wear
a) Wearing rings
b) Renewable sleeves
c) A hardened metal coating
d) Internally flooded lantern rings
e) Lantern rings
249
All details of fuel bunkering, ballast handling, tank cleaning or slop disposal must be entered in the_____________
a) Rough log
b) Engine room log
c) Oil record book
d) Smooth log
e) A and B
250
It shall be the responsibility of the_____________to prepare the boilers for inspection.
a) Chief Engineer
b) 2nd Engineer
c) Boatswain
d) 2nd officer
e) Any above organization
251
A spring bearing on the line shaft is lubricated by :
a) The lube oil gravity tank
b) Water leak off from the stern tube
c) An oil ring and scraper
d) The main lube oil pump
e) Any above
252
Performance of a turbocharged engine can be improved by:
a) Decreasing valve over lap
b) Preheating
c) Aftercooling intake air
d) Preheating light fuels
e) Heating intake air
253
An electric heater built into the cylinder water jacket would be used to:
a) Raise lube oil viscosity for easier starting in cold weather
b) Increase air inlet temperature
c) Increase compression ratio
d) Increase jacketwater temperature for easier starting in cold weather
e) Heating compressed air
254
When maneuvering, you discover heavy smoke coming from the turbocharger casing. You should:
a) Check the air filter for dirt
b) Check for an exhaust leak
c) Check the cooling water temperature
d) Notify the bridge and ask to shut the engine down
e) Check fuel oil consumption
255
A cracked cylinder head on a diesel engine could be indicated by:
a) Excessive lube oil consumption
b) Water draining from the fuel leakoff valves
c) Excessive fuel oil consumption
d) Excessive cooling water consumption
e) Combustion gases venting at the expansion tank
256
A device which will function to bring an engine to a full stop in order to protect it from damage due to excessively high speed is known as a/an:
a) Torque limiter
b) Overspeed trip
c) Overspeed governor
d) Load limit governor
e) Any of above
257
Which of the following actions should you take to correct a low condensing pressure in a refrigeration system?
a) Purge the condenser
b) Remove refrigerant
c) Adjust the thermostatic expansion valve
d) Increase the compressor speed
e) Add refrigerant
258
Below you will find an oral report in Turkish made by the chief engineer from the engine room to the captain/bridge, immediately after an engine trouble. “Kaptan, başmühendis konuşuyor; Sancak ana makinede duman var makineyi kısa bir sure durdurmalıyız. Iskele makineyi ve dümeni kullanarak, bir saat kadar düşük hızla (süratle) gitmeyi öneriyorum. Choose the correct English version of this oral report:
a) Captain, this is the Engine room watch officer speaking, there is smoke in port main engine. We must stop the engine for a long period. I propose to go with low speed for about a day, using the starboard engine and the rudder
b) Captain, this is chief engineer speaking; the starboard engine is broken and there is smoke in the wheel house. We must stop the engine for one day. I propose to go with high speed for about an hour, using both engines and the rudder
c) Captain, this is chief engineer speaking, there is smoke in the starboard main engine. We must stop the engine for a short period. I propose to go with low speed, for about on hour, using the port main engine and the rudder
d) Captain this is chief engineer speaking; the starboard main engine shaft is burning, there is a lot of smoke. We must stop the ship and ask for help. I propose to go with low speed, using starboard engine and the rudder
e) Captain, this is chief engineer speaking, there is smoke in the engine room, coming from the bridge. You must stop the vessel for a short time. I propose to go with low speed for about two hours, using the starboard main engine and the rudder.
259
You had engine trouble in the engine room, you have reported it orally to the captain/bridge. Now you are writing it in the engine room log book. Below, you will find the paragraph to be written in the log book. This paragraph is in Turkish, but you will have to write the log book in English. “07 Ocak 2003 saat 11.05 GMT‟de sancak ana makinada yoğun duman görüldü, sebebi bilinmiyor. Kaptana rapor edildi. Sancak makinanın durdurulması; bir saat süreyle, iskele ana makinayı ve dümeni kullanarak düşük hızla gidilmesi önerildi.” Choose the correct English version of the report above, to be written in the engine room log book.
a) 07 January 2003, 12.05 GMT At 12.05 GMT, heavy smoke detected on port main engine, cause unknown. Reported to the captain, proposed to stop the port engine and go with low speed for and hour, using the port engine and the rudder
b) 07 January 2003, 12.05 GMT At 11.01, heavy smoke detected on starboard main engine, cause known and obvious. Reported to the captain, proposed to stop engines and to go with high speed for a day, using the starboard engine and the rudder
c) 07 January 2003, 11.05 GMT At 11.05 a little smoke detected on port main engine, cause is not told to the captain. Proposed to go with both engines full ahead, using the rudder
d) 07 January 2003, 11.05 GMT At 11.01, heavy smoke detected on starboard main engine, cause unknown. Reported to the captain, proposed to stop the starboard main engine and go with low speed for an hour, using the port main engine and the rudder
e) 07January 2003, 11.05 GMT At 11.05 yesterday heavy fire detected on starboard main engine, cause unknown. Reported to the captain, proposed to stop the port main engine and go with low speed for an hour, using the port engine and the rudder
260
During the inspection of the machinery spaces on board for oil and oily mixtures, the port state control officer ( PSCO) may determine and takes into account:
a) If reception facilities have been used
b) If there is any inadequacy of such facilities
c) The quantity of oil residues generated
d) The capacity of sludge and bilge water tank and the capacity of the oily-water separator
e) None of the above
f) A+B+C+D
261
During the inspection of the machinery spaces on board for oil and oily mixtures, the port state control officer (PSCO) may determine and verify:
a) Whether the responsible officer is familiar with the handling of the sludge and bilge water,
b) If the allege of the sludge tank is sufficient for the expected generated sludge during the next intended voyage.
c) Whether the oily bilge water is retained on board for subsequent discharge to a reception facility, in accordance with Annex I of MARPOL 73/78
d) A+B+C
e) A+B
262
There are some Certificates/documents which are internationally recognized and have to be carried on board. These are checked/inspected by the port state control officer (PSCO) when he/she/they come on board. One of the following certificates does not have to be carried on board on a bulk carrier (cargo ship). Choose that certificate and mark it
a) International tonnage certificate
b) Cargo ship safety construction certificate
c) Mobile offshore drilling unit safety certificate
d) Cargo ship safety certificate
e) International oil pollution prevention certificate
263
There are some Certificates/documents which are internationally recognized and have to be carried on board. These are checked/inspected by the port state control officer (PSCO) when he/she/they come on board. One of the following certificates does not have to be carried on board on tanker. Choose that certificate and mark it :
a) Document of compliance, Solas 74, Regulation II-2/54,
b) Oil record book, Parts I and II
c) Cargo record book
d) Document of Authorization for the carriage of grain
e) Minimum safe manning document
264
During Port State Control Procedures, there are certain definitions, to limit or authorize the port state control officer (PSCO), executing his/her responsibility. Choose the correct answer: A Port State control officer is :
a) The Administration representative of the flag state
b) The senior command authority of the coast guard of the port state
c) A person duly authorized by the competent authority of a party to a relevant convention, to carry out port state control inspections, and responsible exclusively to that party
d) A person who meets the relevant conditions set forth by resolution A. 739 (18) and has been delegated by the flag state administration
e) The captain of the coast guard boat
265
During Port State Control Procedures, there are certain definitions, to limit or authorise the port state control officer (PSCO), executing his /her responsibility. A Substandard ship is :
a) A ship whose engines are not on board
b) A ship which has an uncomplete oil record book
c) A ship; whose hull, machinery, equipment or operational safety is substantially below the standards required by the relevant convention
d) A ship, whose crew is not in conformance with the safe manning document
e) A+C
f) C+D
266
During Port State Control Procedures, there are certain definitions, to limit or authorise the port state control officer (PSCO), executing his /her responsibility. Detention is:
a) A condition found not to be in compliance with the requirements of a relevant convention
b) A visit on board to check the validity of the certificates
c) Intervention action taken by the port state control, when the condition of the ship or its crew does not correspond substantially with the applicable conventions
d) A+B
e) None of the above
267
The Port State Control Officer (PSCO) may determine if the responsible ship‟s personnel are familiar with their duties, related to oparating essential machinery, such as:
a) Bilge and fire pumps
b) Auxiliary steering gear
c) Emergency and stand by sources of power
d) Any other equipment essential in emergency stuations
e) All the above
f) None of the above
268
The Port State Control Officer (PSCO) may verify whether the responsible ships personnel are familiar with:
a) Actions which are necessary, before the emergency generator can be started
b) Procedures when the first attempts to start the engine fail
c) Actions and procedures to get the emergency generator out of the ship, sell in in the market and to put a new one on board
d) Different possibilities to start the engine, in combination with the source of starting energy
e) A+B+D
f) None of the above
269
For the stand-by generator engine; the PORT STATE CONTROL OFFİCER (PSCO) my verify whether the responsible ship‟s personnel are familiar with :
a) Black out procedures
b) Changing the generator with a new one, selling the old one in the market
c) Load-sharing system
d) A+C
e) A+B
f) None of the above
270
The Port State Control Officer (PSCO) my verify whether the responsible ship‟s personnel are familiar with :
a) Which type of auxiliary steering gear system applies to the ship
b) How it is indicated, which steering gear unit is in operation
c) Operating and steering the whell in the wheelhouse
d) What action is needed to bring the auxiliary steering gear into operation
e) A+B+D
271
One of the following statements is WRONG. Choose the wrong statement: For the bilge pumps on board, the Port State Control Officer (PSCO) my verify whether the responsible ship‟s personnel are familiar with:
a) Number and location of the bilge pumps installed on board the ship (including emergency bilge pumps)
b) Starting procedures for all the bilge pumps
c) Appropriate valves to operate
d) Most likely causes of failure of bilge pump operation and their possible remedies
e) None of the above
272
For the fire pumps on board, the Port State Control Officer (PSCO) may verify whether the responsible ship‟s personnel are familiar with :
a) Starting and operating for all pumps ashore in any port or harbour
b) Number and location of fire pumps installed on board the ship (including the emergency fire pump)
c) Starting procedures for all pumps on board
d) Appropriate valves to operate on board
e) B+C+D
273
“When ordering spare parts on board a vessel, you will have to fill in a format. Below, will find a heading from that format in Turkish. Choose the correct English version of that heading: “ Makine veya cihazın tanımı
a) Name of the vessel and description
b) Location of the engine
c) Description of the engine or unit/equipment
d) Model of the engine and the name
e) Machinery type and date
274
“When ordering spare parts on board a vessel, you will have to fill in a format. Below, will find a heading from that format in Turkish. Choose the correct English version of that heading: “Geminin veya servisin adı”
a) Serial number of the vessel and its name
b) Name of the vessel or service
c) Description of the vessel and its name
d) Model and service name of the vessel
e) Characteristic services and names of the ship
275
“When ordering spare parts on board a vessel, you will have to fill in a format. Below, will find a heading from that format in Turkish. Choose the correct English version of that heading: “Makinenin bulunduğu yer ve görevi/fonksiyonu”
a) Machinery deck and function
b) Generator’s place and its job
c) Vessel’s location and its function
d) Location –of the engine and its function
e) Engine parts location in the vessel
276
“When ordering spare parts on board a vessel, you will have to fill in a format. Below, will find a heading from that format in Turkish. Choose the correct English version of that heading: “Makine ; katalog veya bakım talimatının seri no ve tarihi “
a) Engine; catalogue or maintenance manual serial no and date
b) Generator; catalogue manual no and date
c) Machinery; operation Instructions manual and date
d) Engine and vessel’s building date and serial no
e) Catalogue; Instruction manual and number of copies with date
277
“When ordering spare parts on board a vessel, you will have to fill in a format. Below, will find a heading from that format in Turkish. Choose the correct English version of that heading: “Yedek parça listesi sambolü ve tarihi”
a) Main engine part signs and dates
b) Spare part list symbol and date
c) Part spare manual symbol and number of dates
d) Date of the spare part list without symbols
e) Number of the spare part catalogue and date of the serial numbers
278
“Makinenin yapımcısı (adı), modeli, tipi, yapıldığı yıl”
a) Model of the vessel, manufacturer, typing date and building
b) Manufacturer of the generator, model, when built
c) Manufacturer of the engine (name), model, type and building date
d) Maker of the vessel, model, type and building date
e) None of the above
279
Aşağıdaki Türkçe iş emrinin doğru İngilizce karşılığını işaretleyiniz. “Kompresörlerin üzerindeki deniz suyu tulumbası verimli çalışmıyor. Her iki kompresör için harici pompa yapınız.”
a) Control all the tanks and make two external pumps for all the compressors
b) Renew the compressors and make an external pump for some of them
c) The compressors do not work effectively. Make external pumps for the main engine
d) The seawater pump above the compressors does not work effectively. Make an external pump for both compressors
e) None of the above
280
Aşağıdaki Türkçe iş emrinin doğru İngilizce karşılığını işaretleyiniz. “4 piston kol yatağının, strast yatağının, palamar yatağının ölçülerini alınız, ölçüleri uymayan yatakları yenisi ile değiştiriniz.”
a) Measure the buffle of aft crank shaft and renew the compressor and pistons for strats that cannot be measured
b) Measure in and out lines of the 4 crank shafts and the crank pin, remove the measured bearings
c) Measure 4 crank pin bearing, the strast bearing and the main bearing, renew the bearings that are out of measurement
d) Renew all the bearings and measure 4 of them, then renew the crank pin bearings
e) None of the above
281
Aşağıdaki Türkçe iş emrinin doğru İngilizce karşılığını işaretleyiniz. “Servo motor ön yağlama yağı pompası çalışmıyor. Elektrik panosundaki arızayı tesbit ediniz ve gideriniz.
a) The lubricating oil tank’s secondary circuit does not function. Dislocate the malfunction in the servo motor and change it
b) The servo motor of the main engine oil pump is not working. Find the problem in the electro-hydraulic system and correct it
c) The servo motor primary lubricating oil pump does not work. Locate the malfunction in the electricity panel and correct it
d) The primary servomotor of the electric panel does not work. Locate the malfunction in the oil pump and correct it
e) None of the above
282
Aşağıdaki Türkçe iş emrinin doğru İngilizce karşılığını işaretleyiniz. “3 adet foam (köpük) tankına deniz suyu karışmaktadır. İçindeki boru devresine ve kıç ballast tankı perdesine çekiç kontrolu yapınız. Perde saçını değiştiriniz.”
a) Seawater mixes to 3 freshwater tanks Make hammer control on the main engine and on the forward ballast tank. Change the screen collector
b) Seawater mixes to 3 foam tanks. Make hammer control on the piping system inside and to the baffle of aft ballast tank. Change the buffle plate
c) Fresh water mixes to seawater in 3 foam tanks. Control the tanks by hammer and change the crank plate of the forward ballast tank
d) Fuel mixes to 3 foam tanks. Make hammer control on the boiler pipes and the buffle of the forward ballast tank. Change the tank buffles
e) None of the above
283
If the diesel engine turns over by compressed air but it does not fire or stops after a few revolutions; one of the following IS NOT a possible cause, the other four (4) are possible causes. Choose and mark the answer which is NOT a cause.
a) Lack of fuel
b) Filter in the fuel pipe stopped up
c) Governor is without oil pressure
d) Air intake holes in slide valve bushes are stopped up
e) Stop-cock in fuel pipe is closed
284
While filling up the air bottle when necessary, one of the following ways is something very dangerous and that you should NEVER DO. Choose and mark this dangerous way that you shouldn‟t do.
a) Boosting the air, by means of auxiliary set
b) Boosting the air, by means of carbonic acid gas
c) Filling the air bottle with oxygen or hydrogen
d) Filling the air bottle with air compressor
e) Filling the air bottle with fresh air
285
If a diesel engine refuses to start, does not pick up speed, or oscillates to and fro, the possible cause may be :
a) Starting air pressure too low
b) Starting valve seizing or cup leather leaking
c) Control slide valves in starting air distributor seizing
d) Air intake holes in slide valve bushes are stopped up
e) All or any of the above may be the cause
286
If a diesel engine refuses to start, it may be due to:
a) Spring for pump plunger is broken
b) Compressing spring in the regulating rod is broken
c) Starting air not sufficient or lack of fuel
d) Delivery valve dirty and there is sea water in injection pumps
e) Stop-cock in the lubricating oil pipe is closed
287
In the majority of the cases, general troubles which may occur on diesel engines, are due to two obvious causes :
a) Nozzle bores are stopped up AND the nozzle drips
b) Compression is too low AND exhaust valves leak
c) Delivery valve leaks AND piston rings are burnt-in
d) Diesel engine refuses to start AND diesel engine supplies too little power
e) Regulating rod sticks and injection plunger is damaged
288
When checking the engine condition of a diesel main engine;_____________of the fuel oil, is the main condition of satisfactory performance of a diesel engine:
a) Low density
b) Partial combustion
c) Ideal temperature
d) Complete combustion
e) Lots of impurities
289
When checking the engine condition of a diesel main engine; the fuel oil should be free from:
a) Water
b) Filters
c) Gases
d) Impurities
e) A+D
290
In a diesel engine, accumulation of sludge in the cooling spaces for cylinder liners and covers will cause :
a) Perfect lubrication
b) Reduced heat conductivity
c) Increased heat conductivity
d) Destruction of lubricating oil film
e) All the above
291
In a diesel main engine, if the exhaust temperature or maximum pressure of a particular cylinder turn out to be abnormal;
a) The connection rod should be exchanged for a sparce one
b) The spark plugs should be exchanged for spare ones
c) The fuel valve should be exchanged for a spare one
d) The turbocharger should be exchanged for a spare one
e) None of the above
292
In a diesel main engine, rise in the exhaust temperature may be due to:
a) Leaky exhaust valve
b) Wrong timing of the exhaust valve operating gear
c) Burned valve seating
d) A+C
e) A+B+C
293
In a diesel main engine, if the engine turns over on compressed air but does not fire, the cause may be:
a) Failing or irregular fuel oil supply
b) Uneven load distribution
c) Too low compression
d) A+C
e) B+C
294
In a diesel main engine, if the engine loses speed or stops, it may be due to ;
a) Fuel oil system or low compression
b) Fuel oil system or high compression
c) High compression or weak ventilation
d) All of the above
e) None of the above
295
In a diesel main engine, the cause of a sudden load reduction in a cylinder or its total failure may be:
a) Defective or clogged-up fuel valve
b) The fuel pump plunger has seized in the barrel
c) Too low compression owing to worn piston rings leaky inlet or exhaust valves or lack of clearance in the valve actuating gear
d) [(a) and/or (b) and/or (c)]
e) Noneof the above
296
In a diesel main engine, the cause of “irregular engine speed may be the:
a) Air in the fuel oil system
b) Water in the fuel oil
c) Excessive resistance in the regulating gear
d) All or any/some of the above
e) None of the above
297
When starting the diesel main engine, there are certain steps to be taken. In the following steps, only one STEP is correct, the others are wrong. Find and mark the correct step.
a) Turn the engine slowly without fuel
b) Drain the water in the fuel tank
c) Let fuel tanks go and turn START/STOP button to START
d) Run the engine for 5-10 minutes without load
e) Increase the engine load
298
Read the following passage very carefully and then answer the question: “Before starting a diesel engine, there are certain preparations to be made, these are common and applicable for all diesel engines. Among these; checking the fuel service tank to see that if it is topped up; sounding the oil level in the sump tank and the lubricating oil tank as well as the turbocharger and the governor, checking that the relevant valves for sea water, cooling water lubricating oil and fuel oil are open; starting the standby oil pump for lubrication of bearings; opening the main valve on the starting air receiver; turning the engine slowly without fuel can be mentioned.” One of the following procedures is NOT a step when making preparations before starting a diesel main engine. Choose and mark that step:
a) Sound the oil level in the lubricating oil tank
b) Open the main valve on the starting air receiver
c) Check that the fuel oil service tank has been topped up
d) Shut off the main engine
e) Turn engine slowly without fuel
299
Read the following passage very carefully and then answer the questions: “When starting a diesel engine, there are certain steps to be taken, which are common and applicable for all diesel engines. Among these; turning the START/STOP button and letting the engine rotate, letting go the start/stop button when the engine fires and turning off the main valve on the starting air receiver, checking the lubricating oil and cooling water pressure, checking the fuel oil primary pump pressure, checking to see that the stand-by lubricating oil pump has been stopped, can be mentioned.” One of the following procedures is NOT a step, when starting a diesel engine. Choose and mark that step:
a) Let go the start/stop button and turn off the main valve on the starting air receiver
b) Check the lubricating oil and cooling water pressure
c) Check to see that the valves, for fuel oil, cooling water and seawater are all closed and secured
d) Check the fuel oil primary pump pressure
e) Check that the stand by lubricating oil pump has been stopped
300
Read the following paragraph very carefully and then answer the question: “When tending a diesel engine during running; there are certain things to be checked/controlled. Among these; checking the fuel oil pressure after the filter, keeping the seawater temperature at the air cooler inlet as low as possible, avoiding the condensation in the charging air receiver, seeing that the exhaust gases are free form smoke at all loads, keeping a constant check on the charging air pressure and temperature, can be mentioned.” One of the following procedures IS NOT something that should be checked/controlled, when tending a diesel engine during running. Choose that procedure and mark it:
a) Check the fuel oil pressure after the filter
b) See that the exhaust gases are free from smoke
c) Keep a constant check on the charging air pressure and temperature
d) Check the oil level and the valves and then start stand-by oil pump
e) Keep the seawater temperature at the air cooler inlet as low as possible
301
Read the following paragraph very carefully and then answer the question: “When stopping a running diesel engine, there are certain steps to be taken, which are common and applicable to all diesel engines. Among these; to run the engine at a certain R.P.M. without load far some time for cooling down purposes, setting the governor to a certain R.P.M. and then turn the start/stop button to stop, to turn off valves for fuel oil, starting air, sea cooling water and fresh cooling water, if the engine is to be shut down for a prolonged period, can be mentioned.” One of the following procedures IS NOT a step to be taken, when stopping a running diesel engine. Choose and mark that step:
a) Run the engine at a certain R.P.M. for sometime
b) Set the governor to a certain R.P.M.
c) Turn the start/stop button to stop
d) Turn off the fuel oil, starting air, sea cooling water and fresh cooling water valves
e) Check that fuel oil, lubricating oil, cooling water and seawater valves are open and they are circulating
302
During the more detailed inspection of the machinery spaces, The Port State Control Officer (PSCO) assesses the condition of the machinery and of the electrical installations, to make sure that:
a) They provide 220 volt 110 volt A.C. and D.C. only in the day time,
b) They provide all the remedies for frayed and disconnected circuits
c) They are capable of providing sufficient continuous power for propulsion and for auxiliary services,
d) They provide interrupted power for the main engine only
e) None of the above
303
During the more detailed inspection of the machinery spaces, the Port State Control Officer will see and accept the _______________________________________________as a pointer to an unsatisfactory organization of the systems maintenance:
a) Frayed or disconnected quick-closing valves
b) Disconnected or in operative extended control rods or machinery trip mechanisms
c) Missing valve hand wheels, evidence of chronic steam
d) Water and oil leaks, dirty tank tops and bilges or extensive corrosion of machinery foundations
e) A+B+C+D
304
During the more detailed inspection of the machinery spaces, the Port State Control Officer should assess the condition of the ___________________and the ____________________to make sure that they are capable of providing sufficient continuous power for propulsion and for auxiliary services :
a) Systems maintenance and the Ship’s log book
b) Wheel house and the machinery spaces
c) Machinery and the electrical installations
d) Performance trials and the emergency services
e) Substandard condition and the engine room
305
During the more detailed inspection of the machinery spaces by the, the Port State Control Officer (PSCO), a large number of temporary repairs, including pipe clips or cement boxes, will indicate ____________.
a) The engine book log book is not in order
b) The chief engineer is on leave
c) That the electric generator is out of commission
d) The reluctance to make permanent repairs
e) That the main engine does not work
306
During the more detailed inspection of the machinery spaces by the, the Port State Control Officer (PSCO), as it is not possible to determine the condition of the machinery without performance trials, general deficiencies such as __________________________________may lead to (warrant) further inspection and running tests of machinery:
a) Inoperative pressure gauges, rusted relief valves
b) Inoperative or disconnected safety or control devices
c) Evidence of repeated operation of diesel engine scarange belt or crankcase relief valves
d) Malfunctioning or inoperative automatic equipment and alarm systems and leaking boiler casings or up rakes
e) All the above
307
____________is used as a fire extinguisher in case of fires resulted from electrical equipment.
a) Soda acid
b) CO₂
c) Sand
d) Foam
e) C and D
308
Before starting an auxiliary diesel engine, you should:
a) Change fuel oil strainers
b) Clean the air filter
c) Check the crankcase oil level
d) Vent the cooling system
e) Clean flywheel
309
By definition a separator: I. removes solids from the lube oil; II. removes water from the lube oil.
a) I
b) II
c) I and II
d) Neither I nor II
e) Any of above
310
Before ballasting by gravity____________
a) Pump in ballast for about 10 minutes to wash out bottom lines
b) Start pump before opening sea valves
c) Make sure all proper valves are open
d) All of above
e) A and B
311
Emergency generators are placed____________
a) Near the machinery space
b) Above the bulkhead or freeboard deck whichever the higher
c) Midships near the engine room casing
d) Above the deep load line
e) None above
312
____________is the principal hazard to staff when a diesel nozzle tester is in use is
a) Electrical shock
b) Toxic fumes
c) Explosion
d) Blood poisoning
e) Loosing consciousness
313
Emulsification of oil will occur when mixed with:
a) Air
b) Water
c) Black oil
d) Ice cream
e) Oxygen
314
____________is not one of the advantages of the open cooling system.
a) Being the simplest system
b) No requirement of heat exchange
c) Obligation of keeping engine cool
d) The requirement of only one water circulating pump
e) The requirement of 2 water circulating pumps
315
____________is the control of temperature and humidity in a space together with the circulation, filtering and refreshing of the air.
a) Refrigeration
b) Air conditioning
c) Ventilation
d) Cooling
e) Circulating
316
____________the fire pumps are at work. What word can be used instead of underlined part?
a) inoperable
b) operable
c) in operation
d) arranged
e) out of order
317
____________ships are fitted with bow thrusters to improve____________manoeuvring capability.
a) any / its
b) some / them
c) some / their
d) all / they
e) all / its
318
____________is a process , in which the temperature of a space on whatever takes place in, is reduced below that of their surroundings.
a) Refrigeration
b) Air conditioning
c) Ventilation
d) Heating
e) Freezing
319
____________should be regarded as a special attention after installing a new hydraulic pump.
a) The relief filters should be readjusted
b) The filters and strainers should be checked frequently
c) System pressures should be readjusted
d) The fluid should be drained and renewed
e) All above
320
____________protects the pump shafts from erosion, corrosion and wear
a) Wearing rings
b) Renewable sleeves
c) A hardened metal coating
d) Internally flooded lantern rings
e) Lantern rings
321
____________is the cause of burned exhaust valves
a) Overloaded cylinder
b) Poor combustion
c) Distortion and faulty reseating maintenance
d) Any above
e) A and B
322
Electrohydraulic steering units are protected from pounding forces (rudder shock) by:
a) Buffer springs
b) Follow up mechanism
c) Relief valves
d) Relieving gear
e) Steering pumps
323
Blue smoke coming from the diesel exhaust would indicate:
a) Excessive fuel consumption/unburned fuel
b) Burning of lube oil due to possible blow-by
c) Lean fuel/air mixture, too much air
d) Insufficient amount of fuel consumption
e) None of the above
324
“The quantity of oil in separated water is controlled by a control unit. ”What sentence below has the same meaning?
a) Control unit controls the oil quantity and separate it.
b) The quantity of oil is separated and controlled by control unit
c) The oil quantity in water is separated by control unit
d) Control unit controls the oil quantity in separated water.
e) Separated water in oil is controlled by control unit.
325
„Water hammer‟ is caused by:
a) Hitting water pipe with hammer
b) Too much water in pipe line system
c) Water in the steam lines
d) Steam in water lines
e) Few amount of water in pipe line system
326
„When ordering spare parts on board a vessel, you will have to fill in a format. Below, will find a heading from that format in Turkish. Choose the correct English version of that heading: „ Makine ve cihazın tanımı‟
a) Name of the vessel and description
b) Location of the engine
c) Description of the engine or unit/equipment
d) Model of the engine nad the name
e) Machinery type and date
327
„When ordering spare parts on board a vessel, you will have to fill in a format. Below, will find a heading from that format in Turkish. Choose the correct English version of that heading: „ Makine; katalog veya bakım talimatının seri no ve tarihi‟
a) Engine; catalogue or maintenance manual serial no and date
b) Generator; catalogue manuel no and date
c) Machinery; operation instructions manual and date
d) Engine and vessel’s building date and serial no
e) Catalogue; instruction manual and number of copies with date
328
„Makinenin yapımcısı (adı), modeli, tipi, yapıldığı yıl‟
a) Model of the vessel, manufacturer, typing date and building
b) Manufacturer of the generator, model, when built
c) Manufacturer of the engine (name) , model, tipe and building date
d) Maker of the vessel, model, type and building date
e) None of the above
329
____________is one of the moving parts of the diesel engine.
a) Crosshead
b) Crankcase
c) Connecting rod
d) Cylinder cover
e) A and C
330
____________leads excessive lost motion in the valve mechanism of a duplex pump.
a) The pump to short stroke continously
b) The pistons to stop in mid stroke
c) The pump to operate sluggishly
d) The cushioning valves to wear
e) A and B
331
All refrigerator compressor valves are opened and closed via____________
a) Springs
b) Camshaft
c) Pressure differential
d) A or C
d) None above
332
____________is hardly the cause of a smoky diesel engine exhaust.
a) Overload
b) Malfunctioned injector
c) Choked exhaust pipe
d) Inappropriate amount of fuel
e) Appropriate amount of fuel
