makine İngilizce.docx

8/11/2019 Makine ngilizce.docx

1/31

4 ubat 2014 Sal

DENZCLK NGLZCES

1 . Trawlers, whaling ships and purse seiners are in the category of

A) pleasure craftsB) fishing vesselsC) passenger shipsD) naval shipsE) excursion boats

2. 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 opens2- The piston is at the top of its stroke, TDC (Top Dead Center), inlet valve opens, fresh

air is drawn3- Pressure is high in the gases4- Fuel is injected as the piston reaches TDC, to start the combustion

5- Inlet valve opens, fresh air drawn as the piston moves down6- At the bottom of the stroke BDC inlet valve closes and the air in cylinder iscompressed as the piston rises

A) 25643 - 1B) 25641 - 3C) 26543 - 1D) 52463 - 1E) 526413

3. An overspeeding diesel engine could best be stopped by:

A) Disconnecting the battery cables from the starting motorB) Draining the cooling waterC) Draining the hydraulic fluid from the governor sumpD) Blocking the flow of cooling air to the radiatorE) Blocking the air intake and securing the fuel supply

4. The cylinder cover is tightened against liner with studs.What word can be used instead of the underlined word?

A) removedB) replacedC) screwed

D) slackenedE) supported

5. The motion of the piston in the cylinder is;

A) rotaryB) axialC) bendingD) fluctuatingE) reciprocating

6. The intake valve is open and exhaust valve is closed. The air is drawn into cylinderwhile the piston is moving downward defines;

A) power stroke


2/31

B) compression strokeC) intake strokeD) exhaust strokeE) combustion

7. In two stroke engines, if the engine has exhaust valve(s), it is a ..scavenged engine.

A) cross flowB) non-flowC) overflowD) loopE) uniflow

8. Having an unstarting compressor must make you think the possibiliy of.

A) No charge of liquid in the system

B) Closed solenoid valvesC) A and BD) None aboveE) Having sufficient amount of air

9. The pump type using a piston or plunger to remove the fluid;

A) rotary vane pumpB) gear pumpC) reciprocating positive displacement pumpD) screw pumpE) centrifugal pump

10. To remove the impurities and water droplets from oil, .. are usedon board a ship.

A) purifiersB) clarifiersC) centrifugesD) separatorsE) all

11. . is the control of temperature and humidity in a space together withthe circulation, filtering and refreshing of the air.

A) RefrigerationB) Air conditioningC) VentilationD) CoolingE) Circulating12. 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 pumpB) Open the lube oil cooler seawater inlet valve widerC) Throttle in on the lube oil cooler seawater discharge valveD) Close the lube oil cooler seawater discharge valve widerE) Open the lube oil cooler seawater discharge valve wider


3/31

13. ..... the fire pumps are at work.What word can be used instead of underlined part ?

A) inoperableB) operableC) in operation

D) arrangedE) out of order

14. Oily water separators are used to separate oil from bilge water .. the bilgewater is pumped .

A) after / overboardB) before / overboardC) before / inboardD) after / outE) when / aboard

15. On most diesel engines, the governor controls the speed by:

A) Contolling the amount of fuel injected into the cylindersB) Varying the speed of the turbochargerC) Adjusting the compression ratioD) Changing the timing of the fuel injection camshaftE) Changing the timing of the exhaust valves

16. What word is not related to cargo handling equipment ?

A) fillerB) derrick

C) hoistingD) jibE) crane

17. Any electric motor can be constructed to be .. proof.

A) ShortB) GroundC) ExplosionD) OverloadE) A and B18. In the incident of oil fire

A) Get water on deckB) Open steam or CO smothering system to cargo holdsC) Close off all ventilation, blowers, doors etc.D) Open COsmothering system to cargo holdsE) All above

19. Which one is not treated on board ?

A) sewageB) feed waterC) fresh water

D) lube oilE) balast water


4/31

20. When the separated oil is burnt by an .., the application is recorded in OilRecord Book.

A) oily water separator

B) ejectorC) incineratorD) chlorinatorE) aeration chamber

21. The removal of contaminating impurities from lubricating oil will .

A) Increase engine wearB) Decrease engine wearC) Increase possible breakdownsD) Decrease possible breakdownsE) B and D

22. If one cylinder was getting more fuel than others the effect will be

A) That cylinders being overloadedB) The exhaust valves being overheatedC) Average compressionD) Incomplete combustionE) Complete combustion

23. A propulsion diesel engine is normally shut down by .

A) Shutting off the air supplyB) Overspeeding the engineC) Securing the fuel supplyD) Securing the ignition systemE) All above

24. Sediment collects in a tubular purifier:

A) On top coverB) In drain lineC) On sides of bowlD) On the discsE) None of above

25. Water hammer is caused by:

A) Hitting water pipe with hammerB) Too much water in pipe line systemC) Water in steam linesD) Steam in water linesE) Few amount of water in pipe line system

26. The valve which is always partially open when the evaporator is in operation is the:

A) Vapor valveB) Continuous blowdown valve


5/31

C) Bottom blowdown valveD) Surface blowdown valveE) Fresh water valve

27. What kind of bolts would you use on a saltwater line ?

A) Cold rolledB) BrassC) Cast ironD) PlasticE) All of the above

28. Studs and nuts intended for use in main steam line flanges and fittings are markedwith an Hor a T to show they are :

A) Heat resistantB) Hard finished

C) Half threadedD) Corrosion resistantE) Fire proof

29. An advantage of aluminum pistons compared to cast iron pistons is:

A) Greater high temperature strengthB) Greater weight per cubic meterC) Increased resistance to wearD) Low temperature strengthE) Better heat conductivity

30. What harmful consequence can result from sludge in the lube oil system of a trunkpiston diesel engine ?

A) Clogged oil pump suction screensB) Increased oil temperatureC) Stuck piston ringsD) Any of the aboveE) None of the above

31. The air supplied to the cylinders by a turbocharger is often reduced in volume bya/an :

A) Air compressorB) DiffuserC) FilterD) VenturiE) Aftercooler

32. Insufficient refrigerant in a refrigeration plant on board a ship may result in:

A) High discharge pressureB) Frosting of the crankcaseC) High temperature of the overboard waterD) Low suction pressure

E) Low temperature of the sea water


6/31

33. The thermostatic expansion valve of R-22 or R-134a refrigeration system controls

the:A) Back pressure in the evaporator coilsB) Temperature in the refrigerated spaceC) Superheat in the refrigerant leaving the evaporator

D) Refrigerant pressure in high sideE) Temperature in the condenser

34. Which valve is normally closed when charging an R-22 or R-134a refrigerationsystem through the high side ?

A) The thermal expansion valveB) The dehydrator inlet valveC) The suction line valveD) Both the thermal expansion valve and dehydrator inlet valveE) The liquid line king valve

35. Cavitation, the forming and bursting of vapor filled cavities or bubbles will result in

A) A loss of thrustB) Erosion of the blade surfaceC) Vibrations in the afterbody of the shipD) NoiseE) All above36. 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 openB) Operation with a few nozzles as its economicalC) The nozzles not in use must be tightly closedD) All above

E) Only A an B

37. .. protects the pump shafts from erosion, corrosion and wear

A) Wearing ringsB) Renewable sleevesC) A hardened metal coatingD) Internally flooded lantern ringsE) Lantern rings

38. It shall be the responsibility of the.to prepare the boilers for inspection.

A) Chief EngineerB) 2nd EngineerC) BoatswainD) 2nd officerE) Any above organization

39. An electric heater built into the cylinder water jacket would be used to:

A) Raise lube oil viscosity for easier starting in cold weatherB) Increase air inlet temperatureC) Increase compression ratio

D) Increase jacketwater temperature for easier starting in cold weatherE) Heating compressed air


7/31

40. A cracked cylinder head on a diesel engine could be indicated by:

A) Excessive lube oil consumptionB) Water draining from the fuel leakoff valves

C) Excessive fuel oil consumptionD) Excessive cooling water consumptionE) Combustion gases venting at the expansion tank

41. manometer measures:(GASM tarafndan iptal edilmi)

A) Air pressureB) Steam pressureC) Oil pressureD) Water pressureE) Oil temperature

42. In a 2 stroke engine each revolution of the crank is completed within the angle of.

A) 360B) 180C) 720D) 90E) 45

43. When does a two stroke cycle diesel engine produce a power stroke in each cylinder:

A) Once in every 2 revolutions of the crankshaftB) Once for every 4 stroke of the piston

C) Once for every 2 stroke of the pistonD) Directly after the exhaust strokeE) None of the above

44. A steam turbine has curved blades. What word can be used as the opposite of the underlinedword?

A) straightB) flatC) sharpD) smoothE) vertical

45. Which of the followings is not one of the qualities of the governor ?

A) The main control device on the engineB) Controls the engine speed when the power is required to changeC) The supplementary control device on the engineD) Can be adjusted automaticallyE) Made up of speed sensing arrangement and hydraulic unit

46. Blue smoke coming from the diesel exhaust would indicate:

A) Excessive fuel consumption / unburned fuel

B) Burning of lube oil due to possible blow byC) Lean fuel / air mixture, too much air


8/31

D) Less amount of fuel consumptionE) None of the above

47. The intake valve is open and exhaust valve is closed. The air is drawn into cylinder while thepiston is moving downwarddefines;

A) power strokeB) compression strokeC) intake strokeD) exhaust strokeE) combustion

48. All diesel lubricating system must:

A) Have a forced feed mechanical lubricatorB) Prevent oil fog in the crankcase to avoid crankcase explosionC) Provide oil for cooling the piston and cylinder wallD) Provide a film of oil between the piston and cylinder wall

E) None of the above

49. The main components of crankshaft assembly are webs, pins and journals.What word can be used instead of the underlined word?

A) purposesB) sidesC) partsD) typesE) means

50. Which of the following is highly advised to be used for washing turbo charger blower by themanifacturers ?

A) HotwaterB) ACC9+Hot waterC) Filter clean+hotwaterD) Carbon remover+hot waterE) Descalex liquid+hot water

51. . leads excessive lost motion in the valve mechanism of a duplex pump.

A) The pump to short stroke continouslyB) The pistons to stop in mid stroke

C) The pump to operate sluggishlyD) The cushioning valves to wearE) A and B

52. Which of the following indicates pumps function instead of its structure?

A) bilge pumpB) centrifugal pumpC) positive displacement pumpD) gear pumpE) reciprocating pump

53. To produce steam on board a ship, ..are mostly used


9/31

A) steam turbinesB) purifiersC) boilersD) clarifiersE) evaporators

54. Why do you add cornstarch to an evaporator ?

A) To cut down on priming and scaleB) To make the water taste betterC) To prevent high temperaturesD) To increase the rate of vaporizationE) To reduce the temperature of fresh water

55. When purging a refrigeration system, the compressor is ..

A) RunningB) Running with the bypass open

C) Shut downD) Running with the bypass closedE) Running stedily

56. What word has a positive meaning ?

A) abrasionB) corrosionC) contaminateD) overpressureE) overhaul

57. Low head pressure can be caused by ..

A) Too much condensing waterB) Too cold condensing waterC) Leaky discharge valvesD) Insufficient change of refrigerantE) Any of the above

58. If the quantity of oil and particles in separated oily water is 15ppm, it can be drainedoverboard.

A) belowB) overC) at

D) aboveE) up

59. When the separated oil is burnt by an.., the application is recorded in Oil Record Book.

A) oily water separatorB) ejectorC) incineratorD) chlorinator

E) aeration chamber60. the fire pumps areat work.


10/31

What word can be used instead of underlined part ?

A) inoperableB) operableC) in operationD) arranged

E) out of order

61. is the first signal of lubeoil trouble.

A) Lube oil gravity tank low level alarm goes offB) Low lube oil sump levelC) Low outlet temperature from lube oil coolersD) No flow throught bulls eye from gravity tank observedE) A and B

62. The TEV (thermostatic expansion valve) is located between:

A) The receiver and the king valveB) The king valve and solenoidC) Both A and BD) The solenoid valve and evaporatorE) The charging valve and solenoid63. The low pressure side of a refrigeration system is from the:

A) Expansion valve to compressorB) Compressor to expansion valveC) Expansion valve to the evaporatorD) Condenser to the expansion valveE) None of the above

64. The bulb for the TEV (thermostatic expansion valve) is located:

A) In the middle of the evaporator coilsB) Near the evaporator coil outletC) Near the evaporator coil inletD) On the bottom row of the evaporatorE) None of the above

65. What is the advantage of using a hydraulic starting system for an emergency diesel?

A) The system is inexpensiveB) High pressure lines are not requiredC) It is compactD) Faster cranking speeds are obtainedE) None of the above

66. Worn bearings, rings, and valves all contribute to:

A) Poor reversalB) Quiet operationC) Hard starting

D) High pressureE) None of the above


11/31

67. What would cause white smoke after you just started the diesel?

A) Too week battery powerB) Water in the fuel

C) Water in the gasD) Water in the oilE) Salt water in cooling water

68. The turbocharger of an auxilliary diesel engine is most effected by:

A) Air inlet manifold pressureB) Engine speedC) Exhaust temperatureD) Engine loadE) None of the above

69. The coils in the evaporator are attached to the heater by:

A) Pipe nipplesB) Union type fittingsC) WeldingD) Bolted flangesE) Both C and D

70. Cylinder liners 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 systemC) Rubbing speeds are reduced through the use of linersD) Liners provide a better lubricating surfaceE) None of the above

71. An over speeding diesel engine could best be stopped by:

A) Disconnecting the battery cables from the starting motorB) Blocking the air intake and securing the fuel supplyC) draining the hydraulic fluid from the governor sumpD) Blocking the flow of cooling air to the radiatorE) Both C and D

72. The valve which is always partially open when the evaporator is in operation is the:

A) Vapor valveB) Continuous blowdown valveC) Bottom blowdown valveD) Surface blowdown valveE) Bottom blowup valve

73. The dehydrator on a refrigeration plant is used to:

A) Add moisture to the systemB) Remove moisture from the system


12/31

C) Remove air from the systemD) Remove oil from the systemE) Both C and D

74. As freon leaves the expansion valve:

A) Pressure decreasesvolume increasesB) Volume decreases- pressure increasesC) Volume increasespressure increasesD) Pressure increasesvolume decreasesE) None of the above

75. Regardless of the geographical location of on oil spill, you should notify the

A) Local police departmentB) Local fire departmentC) Corps of Engineers

D) Coast GuardE) The pilot

76. The oil level in the compressor should be checked:

A) While the compressor is in operationB) Just before starting the compressorC) After a long period of operationD) For both B and CE) None of the above

77. In a diesel engine closed cooling system, the flow of fresh water through the fresh water and lubeoil coolers is controlled by the:

A) Speed of the engineB) Speed of the pump impellerC) Automatic temperature regulatorD) Suction pressure regulatorE) Governor

78. What type of gauge reads pressure and vacuum ?

A) DuplexB) Simplex

C) Both B and CD) CompoundE) Bourdon tube

79. Minor freon leaks can be detected by the use of a device called:

A) A freon visible leak detectorB) A freon audible leak detectorC) The blue oven flame detectorD) Halide torchE) None of the above


13/31

80. Most gauges in the fire room are:

A) ManometersB) ThermocouplesC) Dual purposeD) Thermometers

E) Bourdon tubetype

81. The usual cause of crankcase explosions in diesel engines is not

A) Heating lubricating oilB) Overheating lubricating oilC) Poor condition of the cylinderD) Crank shaft bearing failures maintananceE) Any above

82. . is not one of the advantages of the open cooling system.

A) Being the simplest systemB) No requirement of heat exchangeC) Obligation of keeping engine coolD) The requirement of only one water circulating pumpE) The requirement of 2 water circulating pumps

83. Another name for the liquid valve is:

A) Master valveB) King valveC) Freon valve

D) Shut off valveE) None of above

84. What is the high pressure side of the refrigeration system?

A) Compressor to condenserB) Evaporator to compressorC) Expansion valve to evaporatorD) Compressor to expansion valveE) Evaporator

85. The solenoid valve can be typed as a:

A) Thermal valveB) Magnetic stop valveC) Bellows valveD) Bimetallic valveE) Both C and D

86. Pre-combustion chambers in a diesel engine:

A) Require that each cylinder use two spray nozzlesB) Require the use of flat crowned pistons to obtain turbulence

C) Permit the use of a wide range of fuel in that engineD) Contain all of the air charge at the end of the compression stroke


14/31

E) Require that each cylinder use more than four spray nozzles

87. .. is the principal hazard to staff when a diesel nozzle tester is in use is

A) Electrical shock

B) Toxic fumesC) ExplosionD) Blood poisoningE) Loosing consciousness

88. A pneumercator measures:

A) Oil pressureB) Air levelC) Liquid levelD) Air pressureE) Air temperature

89. The solenoid valve can be typed as a:

A) Thermal valveB) Magnetic stop valveC) Bellows valveD) Bimetallic valveE) Both C and D

90. What would cause white smoke after you have just started the diesel ?

A) Too week battery powerB) Water in the fuelC) Water in the gasD) Water in the oilE) Salt water in cooling water

91. . is the principal hazard to staff when a diesel nozzle tester is in use is

A) Electrical shockB) Toxic fumesC) Explosion

D) Blood poisoningE) Loosing consciousness

92. If one fuel oil strainer of a duplex unit becomes clogged while your vessel is steaming at sea, youshould first:

A) Clean the dirty strainer as quickly as possibleB) Change the strainer over to the clean sideC) Stop the fuel oil service pumpD) Open the strainer bypass valveE) Stop the engine

93. Scavenging means .. on an internal combustion engines.


15/31

A) The removal of exhaust gases by blowing in fresh airB) The filling of the engine cylinder with a supply or change of fresh airC) The formation of exhaust gases within the cylinderD) The removal of exhaust gasesE) Any above

94. What is the flexible coupling used for ?

A) Small amount of misalignmentB) Take up for vibration in the shaftC) to allow for expansionD) Connects between the bull gear and the tail shaftE) To allow for streching

95. Fuel is ignited in the cylinder of an operating diesel engine by:

A) The heat of compression within the cylinderB) A spark plug in the pre-combustion chamber

C) An electrical discharge from the distributorD) Heat from the fuel injection nozzleE) With a simple spark plug

96. What types of lubricating oil systems are used on diesel engines?

A) Forced feed and gravityB) Forced feed and splashC) Both A and BD) Gravity and wickE) Wet sump and dry sump

97. Before starting an auxiliary diesel engine, you should:

A) Change fuel oil strainersB) Clean the air filterC) Check the crankcase oil levelD) Vent the cooling systemE) Clean flywhell

98. A propeller turning clockwise when viewed from aft is considered right handed and most singlescrew 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 starboardC) Left handed/right handed starboard/left handed portD) Left handed/right handed port/left handed starboardE) Right handed/left handed starboard/right handed port

99. If a bilge pump failed to build up discharge pressure, you should check for:

A) Excessive water in the bilgesB) A clogged suction strainerC) Oil in the bilgesD) A closed skin valveE) None of the above

100. Fire tube boilers are designed to operate within the conditions of:


16/31

A) High pressure, temperatureB) Low pressure, temperatureC) High capacity and quick steam raising processD) Low capacity but quick steam raising processE) High capacity but they are heavy

101. By definition a separator: 1. removes solids from the lube oil; 11. removes water from the lubeoil.

A) 1B) 11C) 1 and 11D) Neither 1 nor 11E) Any of above

102. How are line shaft bearings usually lubricated ?

A) A gravity-feedB) Pressure-feedC) Oil lubricating disksD) Oil lubricating ringsE) Oil injectors

103. Which of the following types of valves is used in the bilge manifold?

A) Swing checkB) Non-returnC) Angle

D) GlobeE) Butterfly

104. The function of the exhaust system for a turbocharged diesel engine is to

A) Power the aftercoolersB) Power the turbochargerC) Reduce the cylinder scavenge effectD) Cool the turbochargerE) Any above

105. Before ballasting by gravity ..

A) Pump in balast for about 10 minutes to wash out bottom linesB) Start pump before opening sea valvesC) Make sure all proper valves are openD) All of aboveE) A and B

106. A fire sprinkling system must be fitted .A) On all vessels over 5.000 GTB) In conjunction with the CO2 systemC) With a pressure tank of fresh water to the supply system pending the starting of the

pump

D) None of the aboveE) A and C


17/31

107. The process of supplying the intake of a diesel engine with air at a pressure greater thanatmospheric is called:

A) Engine displacement

B) ScavengingC) Air injectionD) SuperchargingE) Intercooling

108. In the simple mechanical governor, the:

A) Flyweight centrifugal force is balanced by spring pressureB) Centrifugal force rotates the ball headC) Flyweight centrifugal force is balanced by hydraulic pres sureD) Speeder spring actuates the fuel control rodE) Hydraulic force rotates the ball head

109. In the incident of oil f ire

A) Get water on deckB) Open steam or CO2 smothering system to cargo holdsC) Close off all ventilation, blowers, doors etc.D) Open CO2 smothering system to cargo holdsE) All above

110. In accordance with the international requirements, the bilge purifier will separete oily water withinthe density of ..

A) < 15 particular per million

B) < 15 particular post millionC) < 15 particular per meterD) < 15 particular per meterE) < 15 particular per billion

111. The requirement for portable fire equipment is

A) Annual checkB) Keeping in easily accessible placesC) Hose connections and keeping hoses in good conditionD) All aboveE) Before the end of consuming period

112. Cut out system on the aux boiler operates

A) Low level alarmB) Low low level alarmC) High level alarmD) High pressure alarmE) Low pressure alarm

113. is the cause of burned exhaust valves

A) Overloaded cylinderB) Poor combustion


18/31

C) Distortion and faulty reseating maintenanceD) Any aboveE) A and B

114. When a cargo hose joint or coupling starts to leak badly the attempt you should do is to..

A) Reduce pumping pressure and wrap leak securelyB) Shut down transfer and make repairsC) Soak spill with sawdust and reduce pumping pressureD) Wash deck immediately and close tank topsE) Carry on transfer115. Water in the lube oil system may be detected by: 1. sounding lube oil tanks with water sensitivepaste; 11. observing the purifier discharge.

A) 1B) 11C) 1 and 11D) Neither 1 nor 11

E) None of above

116. Electrohydraulic steering units are protected from pounding forces (rudder shock) by:

A) Buffer springsB) Follow up mechanismC) Relief valvesD) Relieving gearE) Steering pumps

117. The rotating part of a micrometer is the:

A) AnvilB) BarrelC) FrameD) ThimbleE) Cover

118. Trunk type diesel engine pistons are most effectively cooled when heat is:

A) Radiated through the engine blockB) Mixed with lubrication oilC) Conducted through the piston crownD) Transferred to escaping exhaust gases

E) Transferred to water cooled cylinder walls

119. When the oil in the seperator is decreasing, which place can not be leaking?

A) Lower bearing casingB) Drum shaftC) Wormgear shaft bearing hosingD) Middle ball bearing casingE) The o-ring at shock water entrance to separator into shockwater120. . should be regarded as a special attention after installing a new hydraulicpump.

A) The relief filters should be readjustedB) The filters and strainers should be checked frequently


19/31

C) System pressures should be readjustedD) The fluid should be drained and renewedE) All above

121. All details of fuel bunkering, balast handling, tank cleaning or slop disposal must be entered inthe

A) Rough logB) Engine room logC) Oil record bookD) Smooth logE) A and B

122. Performance of a turbocharged engine can be improved by:

A) Decreasing valve over lapB) PreheatingC) Aftercooling intake airD) Preheating light fuels

E) Heating intake air

123. When maneuvering, you discover heavy smoke coming from the turbocharger casing. Youshould:

A) Check the air fitler for dirtB) Check for an exhaust leakC) Check the cooling water temperatureD) Notify the bridge and ask to shut the engine downE) Check fuel oil consumption

124. 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 limiterB) Overspeed tripC) Overspeed governorD) Load limit governorE) Any of above

125. Refrigerant leakage from the compressor crankcase is prevented by ..

A) Using skirt type pistonsB) Using shaftseals

C) Using lantern ringsD) Maintaining a vacuum in the crankcaseE) Any above

126. The reciprocating motion of a connecting rod is transformed into a rotary motion by the .

A) CrankshaftB) CrankwebsC) Crank cheeksD) CrankpineE) Piston

127. A pyrometer is normally used to measure:

A) Steam pressure


20/31

B) Water temperatureC) Draft lossD) HumidityE) Gas temperature

128. The successive order of 4 stroke diesel engines:

A) Compression-suction-firing-exhaustB) Suction-firing-compression-exhaustC) Suction-compression-exhaust-firingD) Suction-compression-firing-exhaustE) Compression-air inlet-firing exhaust

129. When the valves are operated on a diesel engine, they are actuated bymeans of cams, pushrods, rocker arms and rollers.

A) MechanicallyB) Hydraulically

C) PneumaticallyD) ElectricallyE) Any above

130. The pistonheads in the engine are manufactured concave and convex shaped in order that

A) The vessel will be fasterB) It will control the temperature of the engineC) It will increase oil pressure in the engineD) It will increase the durability of the pistonE) It will provide a powerful engine

131. Lubrication oil viscosity in an operation diesel engine can be reduced by:

A) Overloading the engineB) Increasing the amount of lube oilC) Decreasing the amount of cooling waterD) Combustion by products contaminationE) Fuel oil dilution

132. All of the following are used for low temperature starting, except:A) Ether

B) Jacket water heatersC) Both A and BD) Air intake heatersE) Cylinder compression ratio reduced

133. The purpose of the low pressure cut out switch is to:

A) Maintain liquid refrigerant at the suction of the compressorB) Maintain a preset suction pressure to the compressorC) Cut out the compressor at a set pressureD) Maintain compressor in at a preset temperatureE) Cut conpressor in and out at a preset pressure


21/31

134. In terms of pressure and temperature, what happens to the primary refrigerant in the compressor?

A) Its pressure and temperature are both loweredB) Its pressure and temperature are both raisedC) Its pressure and lowered and its temperature is raised

D) Its pressure is raised and its temperature is loweredE) None of the above

135. Watertube boilers are designed to operate within the conditions of .

A) High pressure, temperature, capacityB) Low pressure but high capacityC) Heavy but quick steam raising processD) A and CE) Fort he auxilliary purposes

136. The purpose of the evaporator is to: ( BU SORU YANLI-BKZ SORU 179 )

A) Absorb latent heat of vaporizationB) Absorb latent heat of fusionC) Transfer latent heat of vaporizationD) Transfer latent heat of fusionE) Transfer latent heat of freezing

137. The drains from both effects in a low pressure evaporator have their pressures equalized in the:

A) Equalizer tankB) Drain tankC) Flash chamber

D) Air ejector condenseE) Fuel oil tank

138. Prior to port arrival, a diesel alternator .., turbo alternator and all the fullaway procedure should be done

A) Will have to be started / will be shut down / in reverse orderB) Doesnot have to be started / will have to be shut down / in reverse orderC) Will have to be started / will have to be started / in right orderD) Will have to be shut down / will have to be started / in reverse orderE) Doesnt have to be shut down/ will have to be shut down / in right order139. When oil is heated, it becomes ..

A) Less viscousB) EmulsifiedC) More viscousD) VitrifiedE) Not necessarly vitrified

140. The instrument always used in conjunction with a salinity indicator is the:

A) PyrometerB) ThermometerC) HygrometerD) HydrometerE) Oxygen meter


22/31

141. . is hardly the cause of a smoky diesel engine exhaust.

A) OverloadB) Malfunctioned injectorC) Choked exhaust pipeD) Inappropriate amount of fuel

E) Appropriate amount of fuel

142. When starting ballasting . valve should be opened last

A) SeacockB) Punp discharge valveC) Deck filling valveD) Tank suction valveE) None above

143. Fire detecting and extinguishing equipment is required on all

A) Cargo vessels ( REDBOOKDA DORU YANIT B VERLM)B) Passenger vessels on international voyageC) Vessels over 150 feet in lengthD) Vessels over 450 feet in lengthE) Cruise boats

144. The lubricant is expected to have the qualities of .

A) Preventing metal-to metal contact

B) Causing metal to metal contactC) Decrease frictionD) Decrease friction wearE) All except B

145. .. should be followed as a procedure,if it is necessary to pump bilgeswhile a vessel is in port

A) Pumping only if discharge is led to a shore tank or bargeB) Pumping only during the hours of darknessC) Punping only on the outgoing tide

D) Punping only as much as is necessaryE) Pumping only the day hours

146. should be considered as a hazard on the propeller and a thoroughexamination and repair will be carried out when the vessel is in dry dock.

A) Bent bladesB) Signs of cracks on the blade edgeC) Deep pits and holesD) Edge cracksE) All above

147. Considering the fuel, ignition quality is determined by ..


23/31

A) Cetane numberB) Diesel indexC) Calculated cetane indexD) Flash pointE) All except D

148. How often should the emergency diesel be run under load?

A) Once a yearB) Once a monthC) Once a weekD) At survey time onlyE) At drydock

149. 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 energyC) either 2 or 4 stroke, fuel is burned inside the cylindersD) economical in compare with the steam engines, but hard maintenanceE) fixed sequence of events within its unique type

150. On a diesel engine, a freshwater heat exchanger is used rather than a saltwater one to:

A) Maintain fuel oil temperatureB) Maintain lube oil temperatureC) Cut down on rust and corrosionD) Keep the engine block from freezing in cold weatherE) Maintain air temperature

151. The upper section of a piston is called the:

A) LandB) SkirtC) CrownD) PlateE) Disk

152. The suction control switch on the compressor is a ..

A) Thermal elementB) Thermostat

C) Pressure elementD) None aboveE) All of above

153. The heat which is used to change a liquid to a gas or vapor is called latent heat of..

A) AbsorptionB) FusionC) LiquidD) EvaporizationE) Fission

154. As Freon leaves the expansion valve ..


24/31

A) Pressure increasesvolume increasesB) Pressure decreasesvolume increasesC) Pressure decreasesvolume decreasesD) Pressure increasesvolume decreasesE) Pressure increasesno change in the volume

155. An overheated bearing in the main propulsion unit is indicated by:

A) Bubbles in the sight glassB) Sludge in the strainersC) A high oil level in the sumpD) Low temperature of the lube oil leaving the bearingE) High temperature of the lube oil leaving the bearing

156. Emulsification of oil will ocur when mixed with:

A) Air

B) WaterC) Black oilD) Ice creamE) Oxygen

157. The liner which has no direct contact with the cooling water is what kind of a liner

A) WetB) DryC) IntegralD) None of the aboveE) Cooled with lubrication oil

158. . is the first to do when securing an AC generator.

A) Tripping the generator circuit breakerB) Switching the voltage regulator to manualC) Decreasing the field excitation to minumumD) Reducing the load on the unitE) Increasing the load on the unit

159. In case of burning of radio equipments on the bridge the extinguishers should be the same asthe ones to be used in fires, keeping in mind that the fire will turno ut mobe a

. fire when starting firefighting takes long.

A) Class E/Class AB) Class E/Class BC) Class B/Class AD) Class C/Class AE) Class C/Class E

160. The system used for breaking scale from the evaporator coil while the evaporator is in operationis called:

A) Recirculating

B) Blowing downC) Cracking off


25/31

D) DumpingE) None of above

161. This gauge measures both inlet and outlet pressures of a strainer:

A) A compound gauge

B) A duplex gaugeC) a biogaugeD) A pressure / vacuum gaugeE) None of the above

162. In a 4 stroke engine 2 revolution of the crank is completed within the angle of

A) 720B) 360C) 180D) 90E) 45163. 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 overheatB) The engine will remain coldC) The engine will remain not startD) The cooling water will by pass the engineE) None of the above

164. are the common parts within the 2 and 4 stroke diesel engines.

A) Piston, valves, cylinder, fuel injectorB) Crankshaft, crosshead, cylinder

C) Turbocharger, piston, gudgeonpin, cylinderD) Crankshaft, connecting rod, pistonsE) Cylinder, connecting rod, pistons

165. If the flow of water from a centrifugal pump is stopped by closing the discharge valve with thepump running:

A) The relief valve will openB) The water pressure will stabilize at shut off headC) The water pressure will tend to rise continuouslyD) The driver will be over loadedE) The water temperature will tend to decrease continuously

166. Which factor below is not the cause of vibration and noise in turbines?

A) UnbalanceB) Dstortion of casingC) Loose couplingsD) Tight couplingsE) Any above

167. The second effect on a two pass evaporator receives its steam from:

A) De-superheated steamB) Vapors from first effect


26/31

C) Auxiliary back pressureD) Auxiliary forward pressureE) None of the above

168. All refrigerator compressor valves are opened and closed via .

A) SpringsB) CamshaftC) Pressure differentialD) A or CE) None above169. Flashlights used aboard tankers must be .

A) WaterproofB) Of the three cell typeC) Approved by the Board of fire underwritersD) All aboveE) A and C

170. When distilling salt water the cooling-water discharge from the distiller is fed back to theevaporator as feedwater:

A) To cut down on the amount of cooling water neededB) To prevent an excess amount of cooling water from being discharged to the bilgesC) To supply hot water to the evaporator for more economical operationD) To supply sufficient amount of sea waterE) None of the above

171. A spring bearing on the line shaft is lubricated by:

A) The lube oil gravity tankB) Water leak off from the stern tubeC) An oil ring and scraperD) The main lube oil pumpE) Any above

172. Which of the following actions should you take to correct a low condensing pressure in arefrigeration system?

A) Purge the condenserB) Remove refrigerant

C) Adjust the thermostatic expansion valveD) Increase the compressor speedE) Add refrigerant

173. Pre-ignition can be caused by .. in an operating diesel engine

A) Excessively late fuel injectionB) Oil in the air chargeC) Water in the fuelD) Injection continuing after the fuel charge is ignitedE) None above

174. A ball bearing will overheated if:


27/31

A) Completely full of greaseB) Half full of greaseC) In us efor a long timeD) Operated at high speedE) operated at medium speed

175. One horsepower equals ..

A) 1000 wattsB) 746 wattsC) 100 wattsD) 940 wattsE) 786 watts

176. Emergency generators are placed ..

A) Near the machinery spaceB) above the bulkhead or freeboard deck whichever the higher

C) Midships near the engine room casingD) Above the deep load lineE) None above

177. Which one is not identical with the characteristics of the construction of a-2-stroke dieselengines?

A) Instead of valve holes, ports are installedB) A cycle is completed in 2 strokes of the pistonC) Produce high power in compare with 4 stroke enginesD) The maintenance is simpleE) A cycle is completed in 2 revolution of the crankcase

178. Which of the following is not one of the parts of D/G overhaul?

A) Valve rotatorB) Valve spindleC) Intake valveD) Valve seatE) Starting valve

179. The purpose of an evaporator is to .

A) Transmit the latent heat of fusionB) Transmit the latent heat of evaporationC) Absorb the latent heat of evaporationD) Absorb the latent heat of fusionE) Any above

180. is a process, in which the temperature of a space on whatever takes place in, isreduced below that of their surroundings.

A) RefrigerationB) Air conditioningC) Ventilation

D) HeatingE) Freezing


28/31

181. Under normal operational conditions, the rudder is hydraullically locked unless

A) The manual trick Wheel is engaged for steeringB) The pupm is off strokeC) A normal rudder order is given by the control systemD) An electric power failure occurs at the steering gear

E) A and B

182. Static electricity is most often produced by

A) PressureB) HeatC) MagnetismD) FrictionE) Motion

183. When vacuum is lost on a turbo generator the trip is actuated by

A) Sentinel valveB) Back pressureC) Slugs of waterD) Overspeed tripE) A and B

184. Supposing a fire caused by short electric circuit within the equipments is categorized as a. fire and will be extinguished va ..

A) Class A/foamB) Class C/chemical powder

C) Class C/CO2D) Class B/foamE) Class A/chemical powder

185. .. is used as a fire extinguisher in case of fires resulted from electrical equipment.

A) Soda acidB) CO2C) SandD) FoamE) C and D

186. With a reciprocating pump, failure to deliver liquid may be caused by ..

A) Pump not being primedB) Discharge head too highC) liquid plunger packing wornD) Any of the aboveE) only A and B187. Which of the following isnt a component of a water tube boiler ?

A) burnerB) headerC) downcomer

D) steam drumE) booster pump


29/31

188. Any automatic sprinkler, fire detection and fire alarm system shall be capable ofimmediate 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 automaticallywhenever 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 byone stop valve only. A gauge indicating the pressure in the system shall be provided at each sectionstop 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 temperaturerange from 68C to 79C. A list or plan shall be displayed at each unit and suitable instructions fortesting and maintenance shall be available. Sprinklers shall be placed in an overhead position tomaintain an average application rate of not less than 51/m/min over the area covered by thesprinklers.

According to the passage, it isnt true that;

A) The sprinklers can be affected by marine atmosphere

B) They will be in an overhead position to maintain the average applicationC) The pressure in the system is displayed by a pressure gaugeD) Sprinkler system is used either fixed or mobile on boardE) The system shall be divided into sections

189. The quantity of oil in separated wateris controlled by a control unitWhat sentence below has the same meaning ?

A) Control unit controls the oil quantity and separate itB) The quantity of oil is separated and controlled by control unitC) The oil quantity in water is separated by control unitD) Control unit controls the oil quantity in separated waterE) Separated water in oil is controlled by control unit

( DORU YANIT D OLMASI GEREKR )

190. The turbocharger of an auxiliary diesel engine is most effected by:

A) Air inlet manifold pressureB) Engine speedC) Exhaust temperatureD) Engine loadE) None of the above

191. What statement isnt true regarding service ships?A) Cable layers lay and repair transoceanic cablesB) Dredgers deepen the canals, clear the muddy bottoms of waterways or ports

C) Tugboats tow ships and assist large vessels in manoeuvringD) LASH ships are designed to carry refrigerated cargoE) Icebreakers open lanes through icy waters

192. What word is not related to cargo handling equipment?A) tillerB) derrickC) hoistingD) jibE) crane

193. The main body of a ship is called;A) keel

B) bottomC) deck


30/31


31/31

DENZCLK NGLZCES MAKNE CEVAP ANAHTARI

1) B 51) C 101) B 151) C2) A 52) A 102) D 152) C

3) E 53) C 103) B 153) D4) C 54) A 104) B 154) B5) E 55) C 105) D 155) E6) C 56) E 106) B 156) B7) E 57) E 107) D 157) B8) C 58) A 108) A 158) D9) C 59) C 109) E 159) A10) E 60) C 110) A 160) C11) B 61) C 111) D 161) B12) E 62) D 112) B 162) A13) C 63) A 113) D 163) A14) B 64) B 114) B 164) E15) A 65) D 115) C 165) B

16) A 66) C 116) C 166) E17) C 67) B 117) D 167) B18) E 68) D 118) E 168) D19) E 69) B 119) E 169) B20) C 70) A 120) B 170) C21) E 71) B 121) C 171) B22) C 72) B 122) C 172) E23) C 73) B 123) D 173) B24) C 74) A 124) B 174) A25) C 75) D 125) B 175) B26) B 76) D 126) A 176) B27) B 77) C 127) E 177) E28) A 78) D 128) D 178) B

29) E 79) D 129) A 179) C30) D 80) E 130) D 180) A31) E 81) A 131) E 181) C32) D 82) C 132) E 182) D33) C 83) B 133) E 183) C34) E 84) D 134) B 184) B35) E 85) B 135) A 185) B36) D 86) C 136) C 186) C37) B 87) D 137) C 187) E38) A 88) C 138) A 188) D39) D 89) B 139) A 189) C40) E 90) B 140) B 190) D41) A 91) D 141) D 191) D

42) A 92) B 142) E 192) A43) C 93) A 143) C 193 D44) A 94) A 144) E 194) E45) C 95) A 145) A 195 D46) B 96) E 146) E 196) B47) C 97) C 147) E 197) C48) D 98) A 148) B 198) E49) C 99) B 149) C 199) B50) A 100) B 150) C 200)

makine İngilizce.docx

Documents