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Deck · 5,775 questions

Deck General - USCG Exam Questions

Seamanship in the broad sense: marlinespike, ground tackle and anchoring, mooring and towing, weather, stability basics, and day-to-day vessel operations.

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 Deck General questions

Questions 4,601–4,700 of 5,775 · page 47 of 58

  1. #4926 What is the disadvantage of using self-tension winches in automatic mode when the vessel is moored?
  2. #4927 Which of the following reduces the holding capacity of a mooring winch brake?
  3. #4928 The holding capacity of a mooring winch can be reduced by moisture on the break lines. What procedure can be used to remove moisture?
  4. #4929 A mooring winch is designed to have a specific number of layers of wire on the drum for optimum brake capacity. How many layers are recommended?
  5. #4941 All uninspected motor vessels constructed after 25 April 1940, which use fuel with a flash point of 110°F (43°C) or less, shall have at least...
  6. #4942 Which statement is TRUE concerning the ventilation of engine and fuel tank compartments on uninspected towing vessels using fuel with a flash point of...
  7. #4947 SOLAS requires certain information on persons aboard passenger ships be recorded. Which of the following information sets is required to be communicat...
  8. #4948 SOLAS requires that all passenger vessels maintain Muster Lists. What information is required to be contained in this document?
  9. #4949 SOLAS requires Emergency Instructions be posted in conspicuous places throughout the vessel. On a passenger vessel what language shall these instructi...
  10. #4950 Muster Lists and emergency instructions are required for all SOLAS vessels. The muster list shall show the duties assigned to different members of the...
  11. #4959 While the COASTAL DRILLER is elevated, the out-of-level alarm indicates that hull inclination exceeds 0.3°. What should you do?
  12. #4964 While being towed at a 19.5 foot draft, the DEEP DRILLER experiences single amplitude rolls of 10° with a period of 8 seconds. You should ________...
  13. #4965 When the air temperature is just below 32°F, snow FIRST adheres to __________.
  14. #4966 The full period of motion of the DEEP DRILLER while tripping is 7 seconds and the maximum pitch angle as seen on the inclinometers is 4°. From the...
  15. #4968 The full period of motion of the DEEP DRILLER while in transit is 7 seconds and the maximum pitch angle as seen on the inclinometers is 7°. From t...
  16. #4971 Multiple factors will have an effect on your vessel when it is maneuvering in restricted waters. Which of the following factors is the combination of...
  17. #4973 You have determined the maneuvering characteristics of your vessel by taking the radar ranges and bearings of an isolated light while making a turn. T... illustration
  18. #4974 When weighing an anchor that was under a heavy strain, a check of the anchor chain can be done by striking each link with a hammer. What sound would i...
  19. #4976 Your vessel is proceeding through a narrow channel. What actions can you take to avoid any sudden sheers of the vessel?
  20. #4978 You are the officer on watch and have taken the final drafts of your vessel prior to getting underway. The vessel takes departure and proceeds outboun...
  21. #4979 Your vessel is proceeding up a narrow channel. What is the effect on squat if you meet another vessel on a reciprocal course?
  22. #4982 The vessel's anchor chain consists of shots of chain connected by detachable links. What is the predominant piece that holds the detachable link toget...
  23. #4983 What effect does bank cushion have on the hull of a vessel in shallow water?
  24. #4984 Which of the following would cause an increase in a vessel's draft?
  25. #4985 While transiting a channel your vessel's bow swings away from the bank. What is the term for this effect?
  26. #4986 What effect does bank suction have upon the hull of a vessel in shallow water?
  27. #4987 You are piloting your vessel in a narrow channel. How will the vessel react to a steep bank on your starboard side?
  28. #4988 The anchor chain has one entire shot of chain painted red. What is the bitter end of this shot attached to?
  29. #4990 What effect will bank suction have on a vessel?
  30. #4991 What effect does lifting the shank of a Baldt Stockless anchor that is set on the bottom have?
  31. #4992 While heaving in the anchor prior to entering the wildcat you observe four white links on each side of a red link. What does this indicate?
  32. #4994 While heaving in the anchor prior to entering the wildcat you observe three white links on each side of a blue link. What does this indicate?
  33. #4998 You are using a hammer as part of an anchor chain inspection. During the inspection you hear a flat tone when striking one of the links. What does thi...
  34. #4999 What is the main function of the center stud in an anchor chain?
  35. #5000 The anchor chain has one entire shot of chain painted yellow. What does this indicate on a merchant vessel?
  36. #5001 The anchor chain has one entire shot painted red. What would that indicate on a merchant vessel?
  37. #5002 When anchoring, what results from having the proper scope of anchor chain in line with the shank of the anchor?
  38. #5005 You are proceeding in a channel, your vessel is requiring a significant amount of right rudder and your bow is still falling off to port. What can you...
  39. #5006 Which factor has the GREATEST influence on the squat of a vessel in shallow water?
  40. #5007 When maneuvering in restricted waters the effect of squat on a vessel varies proportionally to the speed. Which factor is utilized for general calcula...
  41. #5008 Squat is a natural phenomena as a ship moves through a restricted channel due to what basic principle?
  42. #5009 Your vessel is preparing to proceed up a river. Which of the following is true concerning the handling of the vessel in shallow water?
  43. #5013 The distance a vessel moves at right angles to the original course, when a turn of 180° has been completed, is called the __________.
  44. #5014 You have determined the maneuvering characteristics of your vessel by taking the radar ranges and bearings of an isolated light while making a turn. T... illustration
  45. #5015 You are conducting trials to determine the maneuvering characteristics of your vessel. While making a turn, you take ranges and bearings of an isolate... illustration
  46. #5016 You are conducting trials to determine the maneuvering characteristics of your vessel. While making a turn, you take ranges and bearings of an isolate... illustration
  47. #5017 You are on a course of 000°T and put the rudder right 30°. In which direction will the transfer be measured?
  48. #5018 You have determined the maneuvering characteristics of your vessel by taking the radar ranges and bearings of an isolated light while making a turn. T... illustration
  49. #5019 You have determined the maneuvering characteristics of your vessel by taking the radar ranges and bearings of an isolated light while making a turn. T... illustration
  50. #5021 You are conducting trials to determine the maneuvering characteristics of your vessel. While making a turn you take the ranges and bearings of an isol... illustration
  51. #5022 You have determined the maneuvering characteristics of your vessel by taking radar ranges and bearings of an isolated light while making a turn. The r... illustration
  52. #5024 You are stopped with no way upon your vessel at the pilot station. Your vessel is a large twin-screw ship. You must come around 180° to board your...
  53. #5025 The DEEP DRILLER is loaded as shown in the Sample Load Form #1 (Transit). Although winds are less than 70 knots, excessive motion requires ballasting...
  54. #5026 To what distance below the hull must the legs of the COASTAL DRILLER be lowered in order to meet the stability and leg strength requirements during th...
  55. #5027 On the DEEP DRILLER, among the starboard-side valves to open when deballasting from ballast tank 8S is valve __________.
  56. #5028 What is the maximum weight that can be placed in the setback area on the COASTAL DRILLER?
  57. #5029 Among the equipment included in the DEEP DRILLER lightweight are the loading hoses, derrick, traveling block in the lowest position, anchors, all mach...
  58. #5030 If the charted water depth is 200 feet, the limits of service for the COASTAL DRILLER require an air gap of __________.
  59. #5031 Preloading tests the soil to the vertical leg reaction that would be imposed by __________.
  60. #5032 The DEEP DRILLER is loaded as shown in the Sample Load Form #1 (Transit). According to the deck load graph, how much additional deck load could be add...
  61. #5033 Under ideal conditions, the DEEP DRILLER can pick up and place pipe in the rack at a rate of about __________.
  62. #5034 A mat-type jack-up drilling unit is the best selection for __________.
  63. #5035 The COASTAL DRILLER is loaded as shown in the Sample Load Form #1 (Rig Move). While in field transit, the wind speeds are predicted to increase above...
  64. #5036 The DEEP DRILLER is loaded as shown in Sample Load Form #5 (Survival). While the unit is deballasting, port valve 5 fails in the closed position. You...
  65. #5037 While elevated, the COASTAL DRILLER prepares for a severe storm. When the setback is lowered and placed in the pipe racks, it is considered as part of...
  66. #5038 The COASTAL DRILLER, with a draft of 10 feet 3 inches in seawater, has a displacement of __________.
  67. #5039 The DEEP DRILLER, at 58.0 feet draft in sea water, places 200 long tons on board. What is the new draft?
  68. #5040 If the maximum amount of weight is stored in the pipe racks of the DEEP DRILLER, what is the weight per square foot?
  69. #5041 When elevating the COASTAL DRILLER in 200 feet of water, the unit should be placed at an air gap of __________.
  70. #5042 Adding the longitudinal free surface correction to the uncorrected height of the center of gravity of a MODU yields __________.
  71. #5043 You are operating a liftboat. Before starting jacking operations you should __________.
  72. #5044 What is the maximum weight permitted on the cantilever pipe racks for the COASTAL DRILLER?
  73. #5045 When the COASTAL DRILLER is elevated, the water for the saltwater eductor system is provided by __________.
  74. #5046 In storm conditions, with the wind and waves from the starboard bow of the DEEP DRILLER in 600 feet water depth, the offset is 8%. Completely slacking...
  75. #5047 The Cantilever Beam Load Chart for the COASTAL DRILLER shows the load limits in the hook, setback, conductor tension, and __________.
  76. #5048 What maximum wind velocity is assumed when determining the limits of elevated service for the COASTAL DRILLER?
  77. #5049 The DEEP DRILLER is operating at a draft of 60 feet. There is 11.5 feet of drill water in each of the drill water tanks (5P and 5S). What would be the...
  78. #5050 The DEEP DRILLER is loaded as shown in the Sample Load Form #1 (Transit). How much additional deck load can be placed aboard without exceeding the dec...
  79. #5051 Because of the presence of 75 knot winds, the DEEP DRILLER is at survival draft. KGL is 1.24 feet less than the maximum allowed. What is the value of...
  80. #5052 When preloading the COASTAL DRILLER, the minimum total weight shall not be less than __________.
  81. #5053 The DEEP DRILLER is loaded as shown in the Sample Load Form #1 (Transit). What are the new LM (longitudinal moments) if the entire contents of Salt Wa...
  82. #5054 The height of the transverse metacenter of the Coastal Driller at a displacement of 13,050 kips is __________.
  83. #5055 While on a normal tow, the COASTAL DRILLER is threatened with the approach of a severe storm. Including the time required to place the generators on-l...
  84. #5056 While loaded as shown in Sample Load Form #5 (Survival), an estimated 250 long tons of snow and ice accumulates on the DEEP DRILLER at an estimated he...
  85. #5057 The DEEP DRILLER is loaded as shown in the Sample Load Form #1 (Transit). Weather conditions require ballasting to survival draft. Assume that 4087 lo...
  86. #5058 The COASTAL DRILLER, when underway was loaded as shown in Sample Load Form #1 (Rig Move). It is now preloaded at minimum air gap waiting for all settl...
  87. #5059 In storm conditions, with the wind and waves from the port bow of the DEEP DRILLER in 600 feet water depth, the offset is 9%. Completely slacking moor...
  88. #5060 When removing the cap from a sounding tube on a MODU, the sound of air escaping indicates the tank __________.
  89. #5061 Among the valves to open on the DEEP DRILLER, if you have to transfer ballast from Tank 1P to Tank 10S using #1 ballast pump, is valve __________.
  90. #5062 On the DEEP DRILLER, among the port-side valves to open when deballasting from ballast tank 2P is valve __________.
  91. #5063 The COASTAL DRILLER, elevated in 200 feet of water with 2 knots current, 30 foot waves, and wind speeds of 60 knots may continue drilling if the maxim...
  92. #5064 In the event the motion of the DEEP DRILLER is such that critical motion limits are exceeded, you should __________.
  93. #5065 The DEEP DRILLER is loaded as shown in Sample Load Form #5 (Survival). While the unit is deballasting, starboard valve 5 fails in the closed position....
  94. #5066 The lightweight transverse moments for the DEEP DRILLER are __________.
  95. #5067 If a severe storm threatens the COASTAL DRILLER while elevated as shown in the Sample Load Form #3 (Drilling), the variable loads would have to be red...
  96. #5068 While on a normal tow, the COASTAL DRILLER is threatened with the approach of a severe storm. The legs should be lowered so that the TOC (tip-of-can)...
  97. #5069 The COASTAL DRILLER, while elevated in 200 feet of water, has 2 knots of current, 50 knots of wind, and 30 foot seas. What is the maximum leg reaction...
  98. #5070 How much additional solid weight could be loaded at a VCG of 189.7 feet on the DEEP DRILLER while loaded as shown in the Sample Load Form #4 (Drilling...
  99. #5071 While going on location in 200 feet water depth when the roll angle of the COASTAL DRILLER is 2.5 degrees, the roll period should be longer than _____...
  100. #5072 The COASTAL DRILLER is drilling while weighing 15,436 kips. LM are 2,006,680 ft-kips, and TM are -7,718 ft-kips. What is the port leg reaction?

Deck General questions: what to expect

Q How many Deck General questions are in the Deck pool?

There are 5,775 Deck General questions on this site, every one released by the U.S. Coast Guard or taken from the National Maritime Center's sample examinations, with its correct answer. The exam draws its Deck General module from the same pool.

Q What score do I need to pass the Deck General module?

Most USCG exam modules, including Deck General, require 70 percent to pass. Rules of the Road modules require 90 percent.

Q Are these the real USCG Deck General exam questions?

Yes. They are the published U.S. Coast Guard questions, matched to the National Maritime Center's 2026 sample examinations. Answer any question to see the correct choice, the USCG reference and the illustration where the question uses one.

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About the Deck question pool

The Deck pool holds the current U.S. Coast Guard questions for every deck credential, from Able Seaman and the OUPV six-pack up to unlimited Master. Each question is multiple choice with four options, graded instantly, with the USCG reference shown where one exists.