Piston area, multiplied by piston stroke, multiplied by number of cylinders, equals engine ?

One of the major components of centrifugal pump is ?

3. An important point of consideration when replacing a dry type intake filter on an air compressor is to

4. One of three available centrifugal sea water service pumps is in operation with a sea water temperature of 50 deg fahrenheit. The cooling temperature of all systems supplied by this pump appear to be high. Therefore, which of the following is required?

5. It is possible to mount a double suction centrifugal pump impeller with the vanes facing the wrong direction. This would cause the pump

6. The primary objective of the auxiliary exhaust system is to supply steam to ?

7. Increasing the compression ratio of a diesel engine while maintaining the designed rate of fuel flow will result in ?

8. To prevent fire inside scavenge air spaces in marine diesel engines, it is important that it should be occasionally?

9. If it becomes necessary to clean the spray holes of a fuel injector in a diesel engine which of the following is to be used ?

10. When there is excessive formation of frost in the evaporator coils, it will ?

11. At what temperature in degree Celsius will safety devices called fusible plug installed in air compressor or compressed air system melts in order to prevent explosion-?

12. What is the meaning of static suction head of a pump?

13. Which of these bearings listed below is preferred by makers for use in the engine room supply blowers?

14. A loud clicking noise occuring from within the valve compartment of an operating diesel engine would indicate ?

15. Any unusual or new vibration in the hull or propeller shafting can be an indication of

16. In a single-acting diesel engine. The cylinder liner area that is most difficult to lubricate is the ?

17. What part of an engine has the function of measuring the speed and changing the fuel control---------?

18. What is the primary function of a fuel delivery check valve assembly ?

19. The most important factor in engine performance is the actual power output at the end of the crankshaft available for doing work, which is known as ?

20. The function of the spring used with channel or plate-type valves for reciprocating air compressors is to

21. Air compressor cylinder unloader enable the compressor to ?

22. What is the function of double-volute casing of a centrifugal pump?

23. What part of a refrigeration system reduces the pressure of a liquid refrigerant?

24. One method of constructing large marine diesel engines and reducing the total engine frame weight is through?

25. Jacket water temperature in a closed cooling system of a diesel engine is normally controlled by ?

26. Which of the following will increase when fuel oils are heated ?

27. The capacity of a rotary pump will decrease with an increase in the pump

28. Moisture in a refrigeration system will cause a

29. Where are moisture shields located in a main propulsion steam turbine?

30. Breaking the fuel into fine spray to provide good combustion is called,

31. Why cruise ship is one one of the main candidates for gas turbine propulsion?

32. An axial pisto, variable stroke pump is used in a vessel's hydraulic steering gear. Under pressure, oil continually leaks out from between the valve plate/cylinder barreland will

33. What is mainly the reason why fuel injectors used in heavy fuel oil systems are provided with cooling?

34. What is the purpose of maintaining an electrical lamp inside the boiler during a dry preservation method ?

35. Which of the valves listed below permits its flow in only one direction?

36. The fundamental difference between a 2-stroke and a 4-stroke engine is in the number of ?

37. Which of the following is used extensively to lubricate rolling contact bearing ?

38. Some engines are using auxiliary electrically driven blowers, which is continuosly running during maneuvering, and automatically cut-off, if the scavenge air pressure reaches_ load.

39. The set point pressure at which the boiler safety valve is to lift to ?

40. If the control pressure for an automatic combustion control system is lost during maneuvering, you should

41. Air leakage between the shaft and stuffing box packing in a centrifugal pump is prevented by ?

42. The function of the hydraulic telemotor transmitter used in an electro hydraulic steering gear system is to

43. Having high exhaust temperatures would affect the ?

44. In relation to air conditioning system, where is the latent heat of water vapor depends ?

45. What needs to be done in order to maintain the gas turbine sustainable power output?

46. The heat gained per pound of refrigerant in the evaporator is known as they

47. Which of the following purpose of a safety valve fitted in the cylinder cover of a diesel engine?

48. In a distilling plant, in order to achieve full liquifaction in the condenser, Refrigerant vapour from the evaporators is compressed to a higher pressure. It is because of what purpose.

49. What is the most effective method in removing water from diesel fuel oil ?

50. A pounding noise in a steam cylinder in a mooring winch could be caused by ?

51. What cause carbon deposits on the boiler burner throat ring?

52. In a water-tube boiler, how is water level confirmed?

53. What may happen if bubbles are present in a refrigeration system?

54. In the refrigeration system, the refrigerant absorbs the latent heat of vaporization in the ?

55. Why is the heating capacity of the fuel oil heater reduced when there is a build up of carbonization in the heater surfaces ?

56. Scavenging fire occur if the engine piston rings are ?

57. Sub-cooling is the method of reducing the temperature of the liquid refrigerant below its ?.

58. How can we quickly reduce high water level in a steaming boiler?

59. Humidity is the measure of the ?

60. Which turbocharger component increases air density and helps improve engine operating efficiency?

61. The correct radial clearances between the rotor and the casing in a propulsion turbine are maintained by the turbine

62. Excess refrigerant in a refrigeration system is normally removed from the

63. How is power transfered from the main engine located deep inside the hull of a vessel to the propeller at the aft?

64. Which one of the following devices use to control the admission of steam to the steam cylinder of a reciprocating pump ?

65. Cylinder inlet valve failure in a low pressure air compressor can be caused by ?

66. When should be a boiler water sample be taken for testing?

67. What is the possible cause why a lube oil pump fails to build up discharge pressure?

68. What is the heat exchanger used to heat the boiler feed water by means of waste gas as it passes from the boiler to the stack?

69. The most common problem encountered by turbo-chargers in a two-stroke engine is ?

70. The amount of supplied fuel oil on the boiler atomizer depends on the ?

71. If the existing vapour pressure is subtracted from the indicated pressure at the pump suction, the remainder is the ?

72. When the hydraulic control lever for a deck winch is placed in the neutral or off position, the spring set brake on the fluid motor drive shaft is

74. Oil mist detector is an instrument used to detect an oil mist formation in the engine crankcase , what cause oil formation ?

73. What is the purpose of the boiler drum air cock?

75. The demisters installed in a flash-type evaporator serve to ?

76. In a large, low-speed diesel engine the clearance between the piston crown and cylinder

77. Increasing the valve clearance of a diesel engine intake valve will cause the valve to open ?

78. Condensers located in the various stages of the flash evaporator are cooled by ?

79. What would be the result if the fuel used for boiler burners has sediments?

80. The most important factor in engine performance is the actual power output at the end of the crankshaft available for doing work. This is known as ?

81. When operating under constant load, the superheated steam temperature may rise above normal it

82. An engineer on duty inspecting an unmanned engine room at night should be aware of which of the following precautions ?

83. You observedan efficiency drop caused by compressor fouling of the gasturbine, what is the most effective counter measure to carry out?

84. In a fuel oil burner having a standard mechanical atomizer, the fuel and air are mixed as the fuel leaves the ?

85. The difference between the setpoint and the measured parameter in an automatic flow controller is called:

86. Why diesel engine lubricating oil need more purification compare with the lubricating oil in a gas turbine?

87. The pressure developed in the high pressure cylinder of a reciprocating air compressor, in order to assure an output near the end of its compression stroke, is ?

88. Feedwater supplied to a flash type distilling plant will flash to vapor in the first-stage due to ?

89. Every automated machinery plant must have an engineers assistance alarm. Power for this alarm should be taken from the

90. If an air compressor is used to supply air primarily to the combustion control system and other pneumatic controllers, the entire system is known as the ?

91. If the exhaust oil is returned directly to the pump suction, what type of hydraulic circuit is the system?

92. Explain what is the use of Stern tube ?

93. The camshaft drive is designed to maintain proper camshaft speed relative to crankshaft speed. In maintaining this relationship, the camshaft drive causes the camshaft to rotate at ?

94. A centrifugal pump may fail to deliver water when first started if the

95. Boiler safety valves are set not to go above maximum operating pressure of higher than ?

96. Which of the following is used as moisture arrester and dryer in the refrigeration system?

97. Fuel oil enters the main engine cylinder through?

98. Gland sealing steam is used during steam turbine operation to prevent the loss of

99. The operation of a thermostatic steam trap depends upon the ?

100. Which combination of the main shaft segments listed below that are located furthest from the main engine are connected by the inboard stern tube shaft coupling?