Assessment Test


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1. To set the dividers to the proper radius, you should use a __________.

 
 
 
 

2. Which of the instruments listed is used to measure the gauge of a piece of sheet metal?

 
 
 
 

3. To measure the circumference of a piece of pipe, you should use a __________.

 
 
 
 

4. A dial indicator is used to measure __________.

 
 
 
 

5. To get an accurate measurement using a 12 inch machinist's steel rule, you should measure __________.

 
 
 
 

6. Which of the figures in illustration GS-0080 would be used in conjunction with figure "B" of the device shown in illustration GS-0124? GS-0080

 
 
 
 

7. Which of the figures illustrated is not suitable for use as a hex head set screw? GS- 0080

 
 
 
 

8. With regards to the American National Screw Thread nomenclature, 'pitch' is the

 
 
 
 

9. The number of screw threads per inch for a Standard National Coarse 1/2 inch bolt is

 
 
 
 

10. The designation '1/4-20' describes __________.

 
 
 
 

11. Which of the following is true when comparing the different "class of fit" for machine threads on bolts and nuts?

 
 
 
 

12. As it pertains to the automatic hydraulic brake of a horizontal electro-hydraulic anchor windlass, what statement is true?

 
 
 
 

13. As it pertains to the automatic electric brake of a horizontal electro-mechanical anchor windlass, what statement is true?

 
 
 
 

14. A horizontal electro-mechanical anchor windlass is equipped with two warping heads, two wildcats, two manual brake hand wheels, two clutch control levers, and a multipoint lever- operated pedestal-mounted controller. What statement is true as it pertains to the operation of the windlass clutch control levers?

 
 
 
 

15. A horizontal electro-mechanical anchor windlass is equipped with two warping heads, two wildcats, two manual brake hand wheels, two clutch control levers, and a multipoint lever- operated pedestal-mounted controller. What statement is true as it pertains to the operation of the pedestal-mounted controller?

 
 
 
 

16. A horizontal electro-mechanical anchor windlass is equipped with two warping heads, two wildcats, two manual brake hand wheels, two clutch control levers, and a multipoint lever- operated, pedestal-mounted controller. What statement is true as it pertains to the operation of the manual brake hand wheels?

 
 
 
 

17. A horizontal electro-mechanical anchor windlass is equipped with two warping heads, two wildcats, two manual brake hand wheels, two clutch control levers, and a multipoint lever- operated, pedestal-mounted controller. What statement is true as it pertains to the operation of the warping heads and wildcats?

 
 
 
 

18. In attempting to start the hydraulic pump drive motor of a horizontal electro-hydraulic anchor windlass, what condition would prevent the electric motor from starting?

 
 
 
 

19. As it pertains to raising and lowering an anchor with a horizontal electro-hydraulic or electro-mechanical anchor windlass, what statement is true?

 
 
 
 

20. As it pertains to the automatic electric brake of a capstan, what statement is true?

 
 
 
 

21. Which capstan drive arrangement requires a flexible coupling between the reduction gear output shaft and the capstan head input shaft?

 
 
 
 

22. Concerning a conventional mooring winch, what statement is true?

 
 
 
 

23. As it pertains to a "constant-tension" mooring winch, what statement is true?

 
 
 
 

24. As it pertains to the automatic hoist winch brake of an electro-hydraulic cargo- handling pedestal-type deck crane, what statement is true?

 
 
 
 

25. As it pertains to the luffing motion limits associated with an electro-hydraulic cargo- handling pedestal-type deck crane, what statement is true?

 
 
 
 

26. As it pertains to the hoist motion limits associated with an electro-hydraulic cargo- handling pedestal-type deck crane, what statement is true?

 
 
 
 

27. For an electro-hydraulic cargo-handling pedestal-type deck crane, what event would result in an immediate stop to all crane motions, including slewing, hoisting, and luffing?

 
 
 
 

28. What statement is true concerning the door interlock devices associated with a winding drum or traction drive passenger elevator onboard ship?

 
 
 
 

29. What statement is true concerning the platform interlock devices associated with a winding drum or traction drive cargo elevator onboard ship?

 
 
 
 

30. Which of the following filled thermal systems used as a temperature transmitting/receiving system usually is associated with a display with a non-uniform scale?

 
 
 
 

31. If it is desired to determine the average temperature across a large duct, what thermocouple wiring technique can be used to generate an emf proportional to the average temperature?

 
 
 
 

32. Which of the listed temperature sensors consists of finely coiled wire, such as platinum, where the resistance varies directly with temperature?

 
 
 
 

33. What is the application for a temperature measuring device known as a pyrometer?

 
 
 
 

34. Which of the following direct pressure measuring instruments is most appropriately used for measuring pressures very close to atmospheric pressure such as boiler furnace draft pressure?

 
 
 
 

35. Which of the following pressure sensing mechanisms in a linear-scaled pneumatic indicator is generally used to sense pneumatic pressure as received from a pneumatic pressure transmitter?

 
 
 
 

36. In which of the following applications would a mechanical pressure seal be used with a pressure measuring instrument?

 
 
 
 

37. Which of the following direct pressure measuring instruments is most appropriately used for measuring extremely high pressures up to 80,000 psig?

 
 
 
 

38. Which of the following direct pressure measuring instruments is most appropriately used for measuring most pressures, typically above 10 psig and is by far the most common type?

 
 
 
 

39. What is used to protect a direct sensing steam pressure gauge from damage from contact with steam?

 
 
 
 

40. What statement is true concerning the operating principle of a liquid level sensing and transmitting system of the capacitance type?

 
 
 
 

41. What type of liquid level indicator which senses head or pressure requires a supply of compressed air?

 
 
 
 

42. Which of the following level indicating system sensor types is ideally suited for discrete-level detection as opposed to continuous-level detection?

 
 
 
 

43. What type of flow measuring device would measure totalized flow volume as opposed to an instantaneous flow rate?

 
 
 
 

44. With a constriction type, differential head flow meter, which of the following would be an example of a primary device?

 
 
 
 

45. Which of the following flow meter primary devices works on the constriction type, differential head principle?

 
 
 
 

46. What is the operating principle of a variable area flow meter, such as a rotameter?

 
 
 
 

47. What statement is true concerning the arrangement and operation of the viscosity transmitter as used for indicating the viscosity of heavy fuel oil?

 
 
 
 

48. What statement is true concerning the operation of a distilling plant or boiler feed water salinometer?

 
 
 
 

49. If an oil-in-water content monitor uses a lamp emitting light in the visible spectra in conjunction with a reference photo-cell and a sampling photocell, what is the operating principle upon which this oil-in-water content monitor works?

 
 
 

50. On a ship with a periodically unmanned engine room, the duty engineer is responsible for making machinery space rounds when the engine room is unattended. How often should these machinery space rounds be performed by the duty engineer?

 
 
 
 

51. On a ship with a periodically unmanned engine room, the duty engineer is responsible for making machinery space rounds when the engine room is unattended. Between machinery space rounds, what is the responsibility of the duty engineer?

 
 
 
 

52. On a ship with a periodically unmanned engine room, under what conditions must the propulsion console be continuously manned?

 
 
 
 

53. Preferably when should the bridge be informed when engine room situations may affect the speed, maneuverability, power supply, or other essentials for the safe operation of the ship?

 
 
 
 

54. On deep-draft ships, what statement is true concerning high and low sea suctions for machinery space sea water cooling systems?

 
 
 
 

55. What operating condition (or conditions) would necessitate shifting from a high sea suction to a low sea suction for a machinery space sea water cooling system?

 
 
 
 

56. What operating condition (or conditions) would necessitate shifting from a low sea suction to a high sea suction for a machinery space sea water cooling system?

 
 
 
 

57. What provision is made for sea chests for removal of solid debris restricting the entry grating into the sea chest of a machinery space sea water cooling system?

 
 
 
 

58. What provision is made for sea chests for removal of air ingested into the sea chest of a machinery space sea water cooling system?

 
 
 
 

59. What provision is made for sea chests for removal of ice from within the sea chest of a machinery space sea water cooling system during operation in icy waters?

 
 
 
 

60. For a typical diesel engine jacket water cooling system, what location would be generally used to introduce water treatment chemicals?

 
 
 
 

61. What type of bottom construction is used on most commercial deep-draft vessels with the exception of tankers?

 
 
 
 

62. What is the name of an internal passage of watertight construction fitted along the centerline between the double-bottoms of some ships, usually from the forepeak to the forward machinery space bulkhead, used to carry pipe work along the length of the ship to the various holds or tanks?

 
 
 
 

63. What statement is true concerning the keel arrangements of a double-bottomed ship?

 
 
 
 

64. For a transverse-framed ship of double-bottom construction, what structural members supports the inner bottom shell (or tank-tops)?

 
 
 
 

65. What is usually contained within the double-bottom tanks associated with the machinery spaces?

 
 
 
 

66. How is access to the double-bottom tanks usually provided for inspection, cleaning, maintenance, and repairs of tank interiors?

 
 
 
 

67. While in dry-dock, what means are provided for completely draining the double bottom tanks in preparation for inspection?

 
 
 
 

68. As it applies to a transverse-framed ship with double-bottom construction, what does the term "floor" represent?

 
 
 
 

69. What is the name of the opening in a bilge margin bracket that reduces the weight of the bracket without materially reducing its strength?

 
 
 
 

70. What statement concerning the orientation and welds of adjoining shell plates is true?

 
 
 
 

71. Even though bilge keels do provide some improvement in longitudinal strength at the bilge radius, what is the primary purpose of the bilge keels?

 
 
 
 

72. To prevent damage to dry cargoes, the cargo hold ventilation and dehumidification systems play a key role. In terms of the maintained dew point, what statement is true?

 
 
 

73. To determine the average cargo hold dew point temperature, at what location would the dew point be measured?

 
 
 
 

74. What common feature is found on both liquid-desiccant and solid-desiccant cargo- hold dehumidification systems?

 
 
 
 

75. What type of HVAC system is ideally designed to serve a large public space?

 
 
 
 

76. What type of HVAC system is characterized by poor air distribution and ventilation and low system heat loads?

 
 
 
 

77. What type of HVAC system is characterized by a having a split supply air stream, with one for cold air and the other for hot air?

 
 
 
 

78. What type of HVAC system is characterized by having control dampers in locations other than the outside air supply, outside air exhaust, and recirculation damper applications?

 
 
 
 

79. What temperature associated with the psychrometric properties of air is measured by an ordinary thermometer?

 
 
 
 

80. What temperature associated with the psychrometric properties of air is measured with a sling psychrometer?

 
 
 
 

81. You are unable to pump out the aft starboard engine room bilge well that is fouled, with one foot of water over the top of the bilge well, what action should be carried out?

 
 
 
 

82. Probably the most useful troubleshooting tools used in a predictive maintenance management program for shipboard machinery are vibration meters, analyzers, and monitors. What is the term that represents the distance a mass travels in a given direction as a result of a part vibrating during its periodic or oscillatory motion?

 
 
 
 

83. Probably the most useful troubleshooting tools used in a predictive maintenance management program for shipboard machinery are vibration meters, analyzers, and monitors. What is the term that represents the rate of change of the velocity as a result of a part vibrating during its periodic or oscillatory motion?

 
 
 
 

84. What is the standard unit of measure for vibration displacement?

 
 
 
 

85. When performing a vibration analysis for rotating machinery, what is essential?

 
 
 
 

86. What is meant by a critical speed for rotating machinery?

 
 
 
 

87. If a micrometer were opened to a distance of 0.0001 inch, you would say the reading is __________.

 
 
 
 

88. One turn of the micrometer barrel will linearly move the spindle __________.

 
 
 
 

89. To determine the diameter of a small hole, which of the listed tools must be used with inside calipers to get an accurate reading?

 
 
 
 

90. Many micrometers are equipped with a ratchet stop at the end of the thimble to __________.

 
 
 
 

91. For greater accuracy, some micrometers have a vernier scale making it possible to read in increments of __________.

 
 
 
 

92. A reading of 0.625 inch on a micrometer with a 2 to 3 inch range would be equal to

 
 
 
 

93. To check the thickness of a piece of thin shim stock before using it to make a bearing shim, you should use a __________.

 
 
 
 

94. The proper tool used for cutting new external threads is called a thread __________.

 
 
 
 

95. If a bolt or stud were to break off flush at the surface, which of the listed actions would probably be the best first step to begin the process of its removal?

 
 
 
 

96. With respect to machine shop "taps and dies", a plug tap is correctly used for

 
 
 
 

97. The names plug, bottom, and taper refer to __________.

 
 
 
 

98. The best tool to use to measure the number of threads per inch on a bolt is a __________.

 
 
 
 

99. A metal scribe commonly found on a Combination Square measuring tool should only be used to __________.

 
 
 
 

100. The center head of a combination square set is used to __________.

 
 
 
 


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