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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 3,901–4,000 of 5,775 · page 40 of 58

  1. #4090 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
  2. #4091 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
  3. #4092 You are on a course of 000°T and put the rudder right 30°. In which direction will the transfer be measured?
  4. #4093 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
  5. #4094 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
  6. #4095 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
  7. #4096 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
  8. #4097 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
  9. #4098 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
  10. #4099 The turning circle of a vessel making a turn of over 360 degrees is the path followed by the __________.
  11. #4100 As the propeller turns, voids are formed on the trailing and leading edges of the propeller blades causing a loss of propulsive efficiency, pitting of...
  12. #4101 The force exerted by a propeller which tends to throw the stern right or left is called __________.
  13. #4102 Sidewise force of the propeller tends to throw a vessel's stern to the right or left, depending on rotation. This force is caused by __________.
  14. #4103 Which type of rudder may lose its effectiveness at angles of 10 or more degrees?
  15. #4104 If a tug equipped with flanking rudders is to be turned in a confined circle, when going astern, the stern will move to port the quickest if _________...
  16. #4105 Flanking rudders effect a vessel's heading because of the __________.
  17. #4106 Generally, you can best keep a vessel under steering control when the vessel has __________.
  18. #4107 You are on a large vessel fitted with a right-handed controllable-pitch propeller. When making large speed changes while decreasing pitch, which state...
  19. #4108 You are aboard a single-screw vessel (right-hand propeller) going full ahead with good headway. The engine is put astern and the rudder is placed hard...
  20. #4109 A single-screw vessel going ahead tends to turn more rapidly to port because of propeller __________.
  21. #4110 Your ship is dead in the water with the rudder amidships. As the right-handed screw starts to turn ahead, the bow will tend to go __________.
  22. #4111 You are on a large vessel fitted with a right-handed controllable-pitch propeller set at maximum forward pitch. Which statement about reversing is TRU...
  23. #4112 You are on a single-screw vessel with a right-handed propeller. The vessel is going full speed astern with full right rudder. The bow will swing _____...
  24. #4113 When a vessel with a single right-hand propeller backs to port the __________.
  25. #4114 Which characteristic is a disadvantage of a controllable- pitch propeller as compared to a fixed-pitch propeller?
  26. #4115 On a single-screw vessel, when coming port side to a pier and being set off the pier, you should __________.
  27. #4116 You are aboard a right-handed single-screw vessel with headway on. The engine is put full astern and the rudder hard left. What will the bow do?
  28. #4117 On a vessel with a single propeller, transverse force has the most effect on the vessel when the engine is put __________.
  29. #4118 In order to back a right-handed, single-screw vessel in a straight line, you will probably need to use __________.
  30. #4119 You are landing a single-screw vessel with a right-handed propeller port side to a dock. As you approach the dock, you back down on your engine with r...
  31. #4120 Your vessel is a single-screw ship with a right-hand propeller. There is no current. The easiest way to make a landing is __________.
  32. #4121 You are landing a single-screw vessel with a left-handed propeller, starboard side to the dock. As you approach the dock you back your engine with you...
  33. #4122 It is easier to dock a right-hand, single-screw vessel __________.
  34. #4123 Which of the following is an inherent advantage possessed by a twin-screw vessel in opposition to a single-screw vessel?
  35. #4124 You are backing on twin engines with rudders amidships, when your port engine stalls. To continue backing on course, you should __________.
  36. #4125 A twin-screw vessel is easier to maneuver than a single-screw vessel because the twin-screw vessel __________.
  37. #4126 You are backing on twin engines with rudders amidships. Your starboard engine stalls. To continue backing on course, you should __________.
  38. #4128 Your twin-screw vessel is moving ASTERN with rudders amidships. The starboard screw suddenly stops turning. Your vessel's head will __________.
  39. #4129 A vessel is equipped with twin propellers, both turning outboard with the engines half ahead. If there is no wind or current and the rudders are amids...
  40. #4130 You are going ahead on twin engines with rudder amidships. Your starboard engine stalls. To continue on course, you should __________.
  41. #4131 You are going ahead on twin engines with rudders amidships. Your port engine stalls. To continue your course you should __________.
  42. #4132 You are operating a twin-screw vessel and lose your port engine. You continue to operate on your starboard engine only. Which action would you take to...
  43. #4133 With rudders amidships and negligible wind, a twin-screw vessel moving astern with both engines backing will back __________.
  44. #4134 A twin screw vessel, making headway with both engines turning ahead, will turn more readily to starboard if you __________.
  45. #4135 On a twin-screw, twin-rudder vessel, the most effective way to turn in your own water, with no way on, is to put __________.
  46. #4136 Your vessel is backing on the starboard screw, and going ahead on the port screw. The bow will __________.
  47. #4137 You may BEST turn a twin-screw vessel about, to the right, in a narrow channel by using __________.
  48. #4138 A twin-screw ship going ahead on the starboard screw only tends to move __________.
  49. #4139 The rudders are amidships and both screws are going ahead. What will happen if the starboard screw is stopped?
  50. #4140 With rudders amidships and negligible wind, a twin-screw vessel moving ahead on the port screw and backing on the starboard screw will __________.
  51. #4141 A twin-screw vessel can clear the inboard propeller and maneuver off a pier best by holding a(n) __________.
  52. #4142 You are conning a twin-screw vessel going ahead with rudders amidships. If the port screw stops turning the bow will __________.
  53. #4143 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 Pil...
  54. #4144 In twin-screw engine installations while going ahead, maneuvering qualities are most effective when the tops of the propeller blades both turn _______...
  55. #4145 The BEST way to steer a twin-screw vessel if you lose your rudder is by using __________.
  56. #4146 A continuous watertight bulkhead on a MODU is normally also a(n) __________.
  57. #4147 While the DEEP DRILLER is loaded as shown in Sample Form #4 (Drilling), casing is accidentally dropped on the starboard side. Because the sounding lev...
  58. #4148 Because of the presence of 75 knot winds, the DEEP DRILLER is at survival draft. KGT is 3.24 feet less than the maximum allowed. What is the value of...
  59. #4149 The DEEP DRILLER, at a draft of 60 feet, has 3,765 ft-tons of transverse moments. How much ballast should be transferred between tanks 1P and 1S to le...
  60. #4150 An inclined semisubmersible with a very short rolling period about a constant angle of list is likely to have __________.
  61. #4151 With no environmental forces on the DEEP DRILLER, the average of the starboard drafts is 59.0 feet, and the average of the port drafts is 61.0 feet. K...
  62. #4152 The DEEP DRILLER, loaded as shown in Sample Load Form #4 (Drilling), suffers major damage which results in flooding in tank C3S. Pumping from tanks in...
  63. #4153 The DEEP DRILLER, while loaded as shown in the Sample Load Form #4 (Drilling), suffers damage to the port aft column below the waterline. Pumping from...
  64. #4154 The DEEP DRILLER, loaded as shown in Sample Load Form #4 (Drilling), suffers major damage which results in flooding in tank C3S. Your best countermeas...
  65. #4155 In MODU construction, bulkheads in the quarters are generally __________.
  66. #4156 A semisubmersible which flops between port and starboard angles of list is likely to have __________.
  67. #4157 For a floating MODU, the center of flotation is the point in the waterplane __________.
  68. #4158 The DEEP DRILLER, loaded as shown in the Sample Load Form #4 (Drilling), discharges a non-liquid load of 275.8 long tons from a position 130 feet abov...
  69. #4159 While the DEEP DRILLER is operating as shown in Sample Load Form #4 (Drilling), casing is accidentally dropped over the starboard side. If the starboa...
  70. #4160 The DEEP DRILLER, at 60.0 feet draft in sea water, has VM = 974,441 foot-long tons, and FSMT = 18,732 foot-long tons. What is the metacentric height c...
  71. #4161 The COASTAL DRILLER has sufficient reserve stability to overcome damage due to flooding of any one watertight compartment in winds to __________.
  72. #4162 The DEEP DRILLER departs a fresh water port at a draft of 20.5 feet. What will be the draft in sea water?
  73. #4163 The DEEP DRILLER, at a draft of 60 feet, has a KGL of 55.4 feet and an LCG of 2.37 feet. What is the trim in feet?
  74. #4164 A flooded leg on a liftboat would adversely affect the vessel's stability underway by __________.
  75. #4165 A semisubmersible, while floating level, displaces 18,000 long tons. Bulk, weighing 400 long tons, is placed in P-tanks located 80 feet to starboard o...
  76. #4166 The COASTAL DRILLER's ability to meet the damage stability criteria depends on maintaining watertight integrity, displacement less than 14,158 kips, l...
  77. #4167 A semisubmersible with a negative GM flops to an angle of __________.
  78. #4168 While the DEEP DRILLER is operating as shown in Sample Form #4 (Drilling), casing is accidentally dropped over the port side. If the port aft inclinat...
  79. #4169 The DEEP DRILLER, at 60.0 feet draft in sea water, has VM = 974,441 foot-long tons, LM = 40,301 foot-long tons, TM = 3 foot-long tons, FSML = 30,572 f...
  80. #4170 The DEEP DRILLER is loaded as shown in the Sample Load Form #2 (Ballasting to Survival). What is the metacentric height corrected for longitudinal fre...
  81. #4171 The maximum draft to which a drilling unit may be safely loaded is called __________.
  82. #4172 The DEEP DRILLER, loaded as shown in the Sample Load Form #4 (Drilling), discharges a non-liquid load of 275.8 long tons from a position 130 feet abov...
  83. #4173 The intact volume above the waterline of a floating MODU is __________.
  84. #4174 Laying down drill pipe from the derrick of a semisubmersible on location reduces the __________.
  85. #4175 The DEEP DRILLER is level at a draft of 60 feet in calm water. What is the value of the righting moment?
  86. #4176 Failure of both port-side ballast pumps on the DEEP DRILLER prevents their use. To dewater from the port forward tanks, you should use the __________.
  87. #4177 In order to withstand fluid head pressure on a MODU, stiffeners are often attached to the bulkhead __________.
  88. #4178 Vertical partitions which provide strength and compartmentalization on a MODU are called __________.
  89. #4179 The DEEP DRILLER is loaded as shown in the sample Load Form #3 (Preparing to Drill). If the liquid mud in mud pit #4 (see table 8) is dumped, what wou...
  90. #4180 The DEEP DRILLER is loaded as shown in the Sample Load Form #1 (Transit). What is the new longitudinal free surface correction (FSCL) if the entire co...
  91. #4182 The DEEP DRILLER, in transit at a seawater draft of 19 feet, enters a fresh water port. What is the new draft?
  92. #4183 The DEEP DRILLER, while loaded as shown in the Sample Load Form #4 (Drilling), suffers damage to the port center column below the waterline. Pumping f...
  93. #4184 The DEEP DRILLER, while loaded as shown in the Sample Load Form #4 (Drilling), suffers damage to the port forward column below the waterline. Pumping...
  94. #4185 Joiner bulkheads on a MODU provide __________.
  95. #4186 Structural bulkheads on a MODU are usually __________.
  96. #4187 A virtual rise in the center of gravity of a MODU may be caused by __________.
  97. #4188 Where is thicker plating usually found in the construction of integral tanks on a MODU?
  98. #4189 The COASTAL DRILLER is loaded as shown in the Sample Load Form #1 (Rig Move). What is the new trim angle if 500 kips of weight are shifted aft 60 feet...
  99. #4190 The DEEP DRILLER departs a fresh water port at a draft of 19.5 feet. What will be the draft in sea water?
  100. #4191 A floating MODU with an initial negative metacentric height __________.

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.