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1. Air trapped in the hydraulic fluid of a steering system would be indicated by __________.

 
 
 
 

2. Which of the pumps listed takes fuel oil suction from the double bottom tanks and discharges it to the settling tanks?

 
 
 
 

3. Air trapped in the hydraulic fluid of a steering system would be indicated by, except __________.

 
 
 
 

4. When air becomes trapped in the hydraulic fluid of a steering system, the __________.

 
 
 
 

5. Which of the following conditions is indicated by the necessity of providing excessive gland sealing steam pressure to maintain the normal operating conditions of the main propulsion unit?

 
 
 
 

6. Damaging scale can form on the interior of super-heater tubes as a result of __________.

 
 
 
 

7. While standing watch in the engine room, irregular feeding or surging of the feed water supply to a flash evaporator may be attributed by __________.

 
 
 
 

8. Salinity cells are strategically installed in distilling units to indicate the __________.

 
 
 
 

9. While underway on watch, you notice that you need to constantly increase the coil pressure in the high pressure contaminated evaporator to maintain capacity. Which of the following may be the cause?

 
 
 
 

10. Indicated high salinity of the distillate discharged from a flash-type distilling plant will be a result of __________.

 
 
 
 

11. If a higher than normal water level is observed through the inspection port of a flash evaporator, you should suspect __________.

 
 
 
 

12. Which of the following statements about gravity type lube oil systems is correct?

 
 
 
 

13. Why are scale deposits on the inside of boiler tubes most objectionable?

 
 
 
 

14. An excessively high brine level in a flash evaporator can be caused by __________.

 
 
 
 

15. While standing watch in the engine room, you notice a high reading at a salinity cell located in the loop seal between two stages of a flash type evaporator. This would indicate __________.

 
 
 
 

16. A solenoid valve in the boiler fuel oil supply line will close when the __________.

 
 
 
 

17. While standing watch underway at sea, you notice that the brine level in the second effect of a double effect solo shell evaporator is nearly out the top of the sight glass. Which action should be taken initially?

 
 
 
 

18. Which of the following types of packing is commonly used to seal the glands of an auxiliary turbine?

 
 
 
 

19. High temperature at the super-heater outlet would not be caused by __________.

 
 
 
 

20. When relieving the watch in the fire room, you should first check the boiler steam pressure and __________._

 
 
 
 

21. When relieving the watch in the fire room, you should first check the boiler water level and __________.

 
 
 
 

22. When relieving the watch in the fire room, you should first check the fuel pressure to the boiler and _________

 
 
 
 

23. The fuel oil meter in the fuel oil service system should be bypassed when __________.

 
 
 
 

24. When relieving the watch in the fire room, you should first check the boiler water level and __________._

 
 
 
 

25. Prior to relieving the watch at sea, you notice black smoke coming from the stack, except one of the following, what would this indicate?

 
 
 
 

26. When a turbine bearing shows signs of overheating, you should __________.

 
 
 
 

27. Underway on watch in the fire room, the bridge reports black smoke coming from the stack. This would indicate __________.

 
 
 
 

28. When standing watch at sea, steaming full ahead, reducing the boiler forced draft pressure would also have a tendency to correct which discrepancy?

 
 
 
 

29. While standing watch at sea and steaming full ahead, reducing the boiler forced draft pressure would also have a tendency to incorrect which discrepancy listed ?

 
 
 
 

30. The source of metal particles adhering to the magnets in a lube oil strainer is probably from the __________.

 
 
 
 

31. When standing watch at sea, steaming full ahead, reducing the boiler forced draft pressure would also have a tendency to correct which discrepancy?

 
 
 
 

32. When standing watch at sea, steaming full ahead, reducing the boiler forced draft pressure would also have a tendency to correct which discrepancy?

 
 
 
 

33. If you are notified that one of the turbine bearings is overheated, which of the following actions should you take first as the watch engineer?

 
 
 
 

34. Air leaks through the inner or outer casings of a boiler will __________.

 
 
 
 

35. When standing watch at sea, steaming full ahead, adding large amounts of make-up feed water would also have a tendency to change which of the following parameters?

 
 
 
 

36. Coast Guard Regulations (46 CFR Part 56) require that new fuel oil service piping between pumps and burners be subjected to __________.

 
 
 
 

37. When standing watch at sea, steaming full ahead, adding make-up feed water from reserve feed double bottom tanks would also have a tendency to change which of the following parameters?

 
 
 
 

38. Excessive water in an operating lube oil system can be detected by __________.

 
 
 
 

39. While underway on watch, you notice that you need to constantly increase the coil pressure in the high pressure contaminated evaporator to maintain capacity. Which of the following may be the cause?

 
 
 
 

40. Condensate from fuel oil heating coils return to the __________.

 
 
 
 

41. To provide emergency feed water supply to a steaming boiler and it becomes necessary to secure the DC heater, suction should be taken on the distilled water tank using the __________.

 
 
 
 

42. The bottom blow valve should be used to remove sludge and solids which have settled out of circulation after the boiler __________.

 
 
 
 

43. Which of the listed mediums should be used when water washing a boiler?

 
 
 
 

44. If a boiler is brought on the line with its steam pressure much higher than that of the boiler already on the line, there is danger of __________.

 
 
 
 

45. What steps should be taken if excessive steaming and vigorous bubbling occurs in the first section of the drain inspection tank?

 
 
 
 

46. What percentage of CO2 in a boiler flue gas analysis would indicate perfect combustion?

 
 
 
 

47. Compared to the return flow oil burner system, an internally mixed steam atomizer requires __________.

 
 
 
 

48. Coast Guard Regulations (46 CFR) state that a marine inspector may require a boiler to be drilled or gauged to determine actual thickness __________.

 
 
 
 

49. Noise caused by condensate striking bends or fittings in a steam pipe line is called __________.

 
 
 
 

50. The primary purpose of the heater used in a pressurized fuel oil system is to __________.

 
 
 
 

51. Coast Guard Regulations (46 CFR) state that main propulsion water-tube boilers are required to be fitted with a surface blow off valve if the design pressure is __________.

 
 
 
 

52. On a main propulsion turbine bearing, the readings obtained with a bridge gage represent the __________.

 
 
 
 

53. If the engineer on watch has reason to doubt the accuracy of the water level showing in the boiler gage glass, he should first __________.

 
 
 
 

54. According to Coast Guard Regulations (46 CFR), what is the highest steam temperature to which fusible plugs may be exposed?

 
 
 
 

55. A decrease in condenser vacuum is found to be caused by a loss of the air ejector loop seal. To reestablish the loop seal, you should __________.

 
 
 
 

56. While on watch aboard a 900 psi (6.2 MPa) steam vessel, you suddenly hear a loud, piercing, high pitched noise. Which of the following actions should you take?

 
 
 
 

57. According to Coast Guard Regulations (46 CFR), fusible plugs are not permitted on auxiliary boilers where the maximum steam temperature to which they are exposed exceeds __________.

 
 
 
 

58. Fuel oil is heated before it reaches the burners to __________.

 
 
 
 

59. Which of the devices listed can not be used to determine bearing wear on a main propulsion turbine bearing?

 
 
 
 

60. Steam baffles are installed in the steam drum of a water-tube boiler to __________.

 
 
 
 

61. Excessively hot water returning to an atmospheric drain tank indicates __________.

 
 
 
 

62. During an inspection of the main turbine, you notice flow marks or discoloration across the diaphragm joints. This condition indicates __________.

 
 
 
 

63. During a maintenance inspection of a turbo generator, the integral turbine wheels are tapped with a hammer. What condition may be indicated by a dull non-resonating sound?

 
 
 
 

64. Steam drains from fuel oil heating coils can be returned to the condensate and feed water system __________.

 
 
 
 

65. All oil-fired main propulsion burners with automatic safety control systems must automatically close the burner valve when _________

 
 
 
 

66. According to Coast Guard Regulations, boiler safety valves __________.

 
 
 
 

67. A bridge gauge is used to measure __________.

 
 
 
 

68. The main feed check valve functions to __________.

 
 
 
 

69. A malfunction in the DC heater is indicated by __________.

 
 
 
 

70. While standing watch in the engine room of a steam vessel while at normal sea speed, you notice that the condensate temperature outlet of the air ejector condenser is fluctuating by approximately 12

 
 
 
 

71. When securing a fuel oil heater you should __________.

 
 
 
 

72. Thrust clearances indicated on a main propulsion turbine bearing clearance diagram are __________.

 
 
 
 

73. On a boiler equipped with pilot actuated safety valves, which of the valves listed will be actuated first?

 
 
 
 

74. While standing watch underway at sea in the engine room, there is a complete loss of electrical power. When power is restored, the steering gear pump motor will _________

 
 
 
 

75. While standing watch underway in the engine room, failure of the normal power supply will cause the emergency generator to provide power through __________.

 
 
 
 

76. While on watch at sea with only one ship's service turbo-generator on line, the entire plant suddenly blacks out without warning. After restoring power, which of the following faults would most likely have attributed to this casualty?

 
 
 
 

77. The fins on the tubes of a fin type fuel oil heater are provided to __________.

 
 
 
 

78. The thrust bearing wear on a turbine may be determined by checking the __________.

 
 
 
 

79. One of the important functions of the super-heater safety valves is to __________.

 
 
 
 

80. While standing watch in the engine room, which of the following actions should be taken to reestablish a ?blown? air ejector loop seal?

 
 
 
 

81. While on watch in the engine room and steaming at a steady rate, the water level begins to decrease and suddenly drops out of sight in the boiler gauge glass. Your first corrective action should be to __________.

 
 
 
 

82. You are standing watch in the engine room of a steam vessel. You should blow down a gage glass periodically to __________.

 
 
 
 

83. While underway on watch in the engine room of a steam vessel, the proper valve positions for controlling feed water to the boiler using the auxiliary feed system should be __________.

 
 
 
 

84. If a boiler super-heater safety valve is leaking at normal working pressure, the quickest method of determining and possibly solving the problem is to __________.

 
 
 
 

85. On a steam vessel, if a centrifugal main feed pump were operating at shutoff head with the re- circulating line closed, which of the following conditions could occur?

 
 
 
 

86. Fuel oil settling tanks are used to, except __________.

 
 
 
 

87. In the majority of marine power plants, the fuel oil heater installations are divided into several units because __________.

 
 
 
 

88. While standing watch in the engine room, you hear a ?crackling? sound coming from within a salt water service system centrifugal pump. The most probable cause for this occurrence would be from an abnormalcondition at the __________.

 
 
 
 

89. While a vessel is underway the low pressure turbine high-speed pinion is damaged. The pinion is then removed from the gear train. Under these circumstances, the main unit is capable of which speed and direction?

 
 
 
 

90. According to Coast Guard Regulations (46 CFR), which of the following steam piping conditions, subjected to main boiler pressure, is exempted from hydrostatic testing?

 
 
 
 

91. Which of the conditions listed should be immediately reported to the engineering officer on watch?

 
 
 
 

92. The usual symptoms of cavitation in a centrifugal pump would be __________.

 
 
 
 

93. Cavitation is a term commonly used with centrifugal pumps to describe __________.

 
 
 
 

94. The advantage of a counter flow fuel oil heater, as compared to a parallel flow fuel oil heater, is that the counter flow heater __________.

 
 
 
 

95. When conducting a hydrostatic test of a boiler, Coast Guard Regulations (46 CFR) prohibit __________.

 
 
 
 

96. Excessive recirculation of condensate should be avoided, as it can cause __________.

 
 
 
 

97. If a severe leak develops in the electro-hydraulic steering gear, which of the listed conditions could result?

 
 
 
 

98. Which of the following construction methods would apply to the Babbitt lined, split-type, reduction gear bearings?

 
 
 
 

99. A power failure in the hydraulic system of a compact type steering gear would cause the rudder to __________.

 
 
 
 

100. Coast Guard Regulations (46 CFR) require that the final setting of boiler safety valves be conducted in presence of the __________.

 
 
 
 

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