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Engine · 1,128 questions

General Subjects - USCG Exam Questions

General engineering knowledge: watchkeeping, pumps and piping systems, hydraulics, instrumentation, and shipboard maintenance.

Every question below is a real U.S. Coast Guard exam question with four choices. Answer one and the correct choice is revealed instantly, with the USCG reference and illustration where the question uses one.

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All General Subjects questions

Questions 601–700 of 1,128 · page 7 of 12

  1. #1335 As it pertains to the automatic hydraulic brake of a horizontal electro-hydraulic anchor windlass, what statement is true?
  2. #1339 As it pertains to raising and lowering an anchor with a horizontal electro-hydraulic or electro-mechanical anchor windlass, what statement is true?
  3. #1341 As it pertains to the automatic electric brake of a capstan, what statement is true?
  4. #1354 A hydraulic fluid flow control circuit, controlling linear actuator speed during extension, with the pump operating at system pressure, is known as a...
  5. #1357 A bearing using an oiling ring as a means of static oil feed must occasionally be serviced by removing the wear particles, grit, and moisture. How is...
  6. #1358 On a bearing using an oiling ring as a means of static oil feed, how often should the bottom of the bearing sump be drained of impurities?
  7. #1359 On a bearing using an oiling ring as means of static oil feed, unless adverse conditions would indicate otherwise, how often should the oil be complet...
  8. #1360 In a forced-feed lubrication system, what statement is true concerning lube oil reservoir/sump residence time?
  9. #1363 Which of the following statements best describes the filtering ability of a fine mesh metal lube oil strainer?
  10. #1365 Which of the filter/strainer units listed permits you to clean the element while leaving the system on the line?
  11. #1379 When an electricity generating plant features shaft-driven generators, what type of propulsor is generally used for main propulsion?
  12. #1380 What type of propeller consists of a flat disc set flush with the under surface of the vessel's hull with a number of vertical, rudder-like blades pro...
  13. #1381 Which of the following propulsor types represents the proper terminology for electric propulsion where the drive motors are outside the ship's hull?
  14. #1382 Which of the following propulsor types does not require the use of a separate rudder for steerage?
  15. #1383 Concerning steerable internal duct thrusters, what statement is true?
  16. #1384 What statement represents the fundamental difference between an azimuthing thruster and a podded propulsor?
  17. #1385 With respect to a "tractor" type azimuthing thruster, what statement is true?
  18. #1386 What type of propulsor is typically used in electric motor driven, transverse, tunnel bow thrusters to limit the starting current of the single speed...
  19. #1387 Which set of operating conditions would be most problematic in terms of the deterioration of the insulation resistance of the drive motor of an electr...
  20. #1388 Of the following propulsion modes, which one would operate with a geared-drive featuring a single reduction?
  21. #1389 For a parallel axis single reduction gear, what statement is true?
  22. #1390 Which of the following couplings or clutches would be able to prevent the transmission of torsional vibrations from an engine to a reduction gear?
  23. #1391 Concerning main propulsion reduction gears, what statement is true?
  24. #1392 Of the following propulsion modes, which one would operate with a geared-drive featuring a double reduction?
  25. #1394 What statement is true concerning the arrangement of line shaft bearing housings?
  26. #1395 What statement is true concerning the purpose of an independent main thrust bearing where used?
  27. #1396 Concerning the proper lubrication of a ring-oiled line shaft bearing, what statement is true?
  28. #1397 What type of bearing is most generally used as an independent main thrust block on merchant ships?
  29. #1399 After a disassembly of a single stage centrifugal pump, one finds the outer circumference of the impeller badly pitted and worn. Not having a spare im...
  30. #1400 One is informed by the owner that two of the vessel's electrically driven centrifugal cooling water pumps will be replaced with two of higher capacity...
  31. #1403 On disassembling a centrifugal pump for overhaul, the third engineer reports holes drilled axially in the back side of a single suction closed impelle...
  32. #1405 When renewing spiral packing in a centrifugal pump stuffing box, after the packing is firmly seated, the packing gland nuts should be __________.
  33. #1408 When installing a mechanical shaft seal on a pump, it is important to ______.
  34. #1409 Your centrifugal ballast pump is producing a pressure less than the designed discharge pressure. What could be the cause?
  35. #1410 The shipyard has just reassembled an overhauled centrifugal pump. On testing, water is coming from the mechanical seal area. Which of the following ar...
  36. #1412 While making a round in the lower engine room you discover a leak in the suction pipe to the main salt water pump. How would proceed to correct this p...
  37. #1414 When opening a ballast pump for inspection, the wear ring clearance is found to be approaching maximum. Which of the following would be expected?
  38. #1415 A spur gear pump should be operated with the discharge valves __________.
  39. #1416 Coast Guard regulations concerning marine sanitation devices may be found in __________.
  40. #1417 Marine sanitation devices installed on vessels must be certified by the __________.
  41. #1420 Which type of Marine Sanitation Device (MSD) is used solely for the storage of sewage and flush water at ambient air pressure and temperature?
  42. #1421 What type of HVAC system is ideally designed to serve a large public space?
  43. #1422 What type of HVAC system is characterized by poor air distribution and ventilation and low system heat loads?
  44. #1426 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?
  45. #1427 What type of HVAC system is characterized by having control dampers in locations other than the outside air supply, outside air exhaust, and recircula...
  46. #1433 What type of pump is invariably used as a circulator in a hydronic heating system?
  47. #1434 What statement is true concerning a one-pipe hydronic heating system?
  48. #1435 It is absolutely essential that hydronic heating system hot water piping be kept free of air. Assuming that a system is initially properly filled with...
  49. #1437 Concerning cargo-hold dehumidification, what statement is true?
  50. #1438 What statement is true concerning a liquid desiccant cargo-hold dehumidification system?
  51. #1439 What statement is true concerning a liquid desiccant cargo-hold dehumidification system?
  52. #1440 With regard to the cooling and heating coils and humidification and regeneration chambers of a liquid cargo-hold dehumidification system, what stateme...
  53. #1441 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...
  54. #1442 To determine the average cargo hold dew point temperature, at what location would the dew point be measured?
  55. #1444 What temperature associated with the psychrometric properties of air is measured by an ordinary thermometer?
  56. #1449 Where would you find a list of the firefighting equipment required on your vessel?
  57. #1450 The duties of a chief engineer upon taking charge of the department include __________.
  58. #1451 A Coast Guard engineer's license can be suspended or revoked for __________.
  59. #1452 Who is responsible for ensuring that someone is assigned to close the watertight doors in an emergency?
  60. #1454 In accordance with Coast Guard Regulations (46 CFR), it is the duty of the Chief Engineer to acquire and seal a sample of fuel oil received whenever f...
  61. #1455 Who is responsible for ensuring that someone is assigned to close the watertight doors in an emergency?
  62. #1456 An international and coastwise load line assignment and certificate has been issued to a vessel by the American Bureau of Shipping, under the authorit...
  63. #1457 The minimum number of crew members permitted by law to operate your vessel can be determined by checking the __________.
  64. #1458 The Certificate of Inspection for your vessel was issued in January. In March of the same year you need to replace a cooling water pump for the refrig...
  65. #1459 The minimum firefighting equipment to be maintained onboard a tank vessel, can be determined from the __________.
  66. #1460 The assessment of a trainee's practical demonstration of skills should be conducted __________.
  67. #1462 A trainee is on board your vessel and will need to be assessed in the demonstration of practical skills. Ideally you should assess their skill _______...
  68. #1463 One important objective of a practical skill demonstration for mariner certification is to __________.
  69. #1464 In order to assess each trainee in the performance of a practical demonstration, the assessor should __________.
  70. #1465 When a ships officer signs off a trainee's successful completion of one or more practical demonstrations, they are attesting to the trainee's_________...
  71. #1466 A licensed officer designated to certify a trainee's performance of a practical demonstration should sign off when __________.
  72. #1468 Control system diagrams use standard symbols to describe the component function required for the system to achieve its intended control functions. Sta... illustration
  73. #1470 While calibrating a 4-20 mA electronic, or a 3-15 PSI pneumatic controller, with a process output of 50-250 PSI, what is the controller span/range you...
  74. #1472 A 'Proportional Only' controlled automatic process loop is oscillating continually, above and below the set point. To stabilize this controller and lo...
  75. #1475 Attitudes, biases, and prejudices towards certain groups (nationalities, races, religions, and sexes) can pose formidable challenges to communication....
  76. #1476 What form of communication provides the greatest information richness, which is the amount of verbal and non-verbal information that a communication c...
  77. #1477 In order to establish a good climate for communication it is important to establish mutual trust between the employee and the manager. Which of the fo...
  78. #1478 In order to establish a good climate for communication it is important to minimize status barriers. Which of the following techniques would be the bes...
  79. #1479 An important communication tool for managers is known as active listening. It helps better insure that managers understand employees and that feedback...
  80. #1483 Which of the following actions would motivate employees by making their job intrinsically more rewarding?
  81. #1484 The design of a job has a great impact on whether or not the job itself is motivating. One of the characteristics of a job design is skill variety, wh...
  82. #1485 The design of a job has a great impact on whether or not the job itself is motivating. One of the characteristics of a job design is task significance...
  83. #1489 Some managers think the average person likes work, willingly assumes responsibility, and is trustworthy. What type of leadership style is such a manag...
  84. #1496 As a manager considering which approach to use at a meeting, what type of meeting is most likely to be one that is most appropriate to use a leader-co...
  85. #1497 What type of meeting is most likely to be one that is most appropriate to use group consensus as a process?
  86. #1498 In conducting a group-centered meeting, it is important to encourage participation and two-way communication. In addition to being an alert listener,...
  87. #1503 As a manager, which of the following conflict management styles is considered the most appropriate for resolving conflict and is considered both an as...
  88. #1504 As a manager, one of the practices of positive confrontation reduction skills essential to conflict resolution involves a type of listening. What type...
  89. #1506 An important component of pre-planning for fire emergencies is the fire control plan. Which statement is true concerning the fire control plan for a v...
  90. #1507 An important component of pre-planning for fire emergencies is the fire control plan. What types of drawings are generally furnished in the fire contr...
  91. #1508 An important component of pre-planning for fire emergencies is the general arrangement drawing. What type of drawing is the general arrangement drawin...
  92. #1510 Of all the individual components of a pre-fire planning package, which component contains information pertaining to general instructions, fire and eme...
  93. #1511 Of all the individual components of a pre-fire planning package, which component contains information about emergency duty station locations and respo...
  94. #1515 During the Special Survey the propeller is removed and shaft pulled into the vessel. Which of the following tests must be performed on the propeller s...
  95. #1517 A periodic hydrostatic test is being performed on an oil-fired auxiliary water-tube boiler with a maximum allowable working pressure of 150 psig. In a...
  96. #1520 Assuming the inspection interval for a boiler as specified by 46 CFR 61 is 2.5 years, which statement is true?
  97. #1523 If there is any doubt that a newly employed engine department crew member is sufficiently familiar with the engine room equipment, operating and maint...
  98. #1524 As you manage the engine room familiarization training program for new engine department employees, what should you explain to these new employees?
  99. #1526 Before training is to be planned for, it is necessary to conduct a training needs analysis. What would be the best source of information to analyze be...
  100. #1528 Consider the following training objective for a training session designed for training your crew how to pump bilges: "Using the engine room bilge syst...

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