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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 101–200 of 5,775 · page 2 of 58

  1. #131 Which statement(s) is(are) TRUE?
  2. #133 Which statement is TRUE about sail shape?
  3. #139 What is part of a vessel's standing rigging?
  4. #141 What fitting on the mast works in conjunction with the shrouds to control side bend of the mast?
  5. #143 A yawl is a sailing vessel with __________.
  6. #144 A ketch is a sailing vessel with __________.
  7. #145 What standing rigging supports the mast in the fore-and-aft and athwartships directions?
  8. #146 Which is standing rigging?
  9. #147 A shroud is __________.
  10. #148 What is the purpose of a centerboard when sailing on a tack?
  11. #149 Changing direction by bringing the stern of the vessel through the eye of the wind is known as __________.
  12. #150 If you reef a marconi mainsail, the sail area __________.
  13. #151 The term "lee side" refers to the __________.
  14. #152 Which statement is TRUE concerning the gooseneck?
  15. #153 Your vessel is on a voyage from Ogdensburg, NY, to Chicago, IL, via the Great Lakes. The date is October 3 of the current year. If your vessel is subj... illustration
  16. #154 Where on a vessel are the load line markings shown in illustration D031DG inscribed? illustration
  17. #155 Which vessel is exempt from the load line and marking requirements for vessels operating on the Great Lakes System?
  18. #156 Your vessel's existing draft is FWD 24'-08", AFT 25'-04". Using the Guidance Manual for Loading M.V. GRAND HAVEN, determine the new draft if 180 long...
  19. #157 Your vessel's existing draft is FWD 29'-05", AFT 30'-07". Using the Guidance Manual for Loading M.V. GRAND HAVEN, determine the new draft if 540 long...
  20. #158 Your vessel's existing draft is FWD 19'-08", AFT 20'-04". Using the Guidance Manual for Loading M.V. GRAND HAVEN, determine the new draft if 840 long...
  21. #159 Your vessel's existing draft is FWD 14'-00", AFT 16'-00". Using the Guidance Manual for Loading M.V. GRAND HAVEN, determine the new draft if 350 long...
  22. #160 Using the Guidance Manual for Loading M.V. Grand Haven, determine the amount of ballast required in tank No. 5 (P & S) to maintain drafts of 17'-00" f...
  23. #161 Using the Guidance Manual for Loading the M.V. Grand Haven, determine the amount of ballast required in tank No. 1 (P&S) to maintain drafts of 17'-00"...
  24. #162 Using sheet 25 in the Guidance Manual for Loading M.V. Grand Haven, determine the amount of ballast required in tank No. 5 (P & S) to maintain drafts...
  25. #163 Assuming that the recommended hatch loading sequence is followed, how many long tons of iron ore may be loaded through hatch No. 20 while using a sing...
  26. #164 Assuming that the recommended hatch loading sequence is followed, how many long tons of iron ore may be loaded through hatches 2, 6, & 10, while using...
  27. #165 Assuming that the recommended hatch loading sequence is followed, how many long tons of iron ore may be loaded through hatches 5 & 7 while using a sin...
  28. #166 Assuming that the recommended hatch loading sequence is followed, how many long tons of iron ore may be loaded through hatch No. 1 while using a singl...
  29. #167 A channel is stated as having a controlling depth of 38 feet. Which statement is TRUE?
  30. #168 Which basic category of water level fluctuations on the Great Lakes is the most regular?
  31. #169 Distances on the Great Lakes System are generally expressed in __________.
  32. #170 Which of the Great Lakes is most affected by short-term Lake level fluctuations?
  33. #171 Which of the Great Lakes experiences the least amount of water level fluctuation between seasonal high and low water marks?
  34. #172 Assume that your vessel has just entered Lake Michigan via the Straits of Mackinac and is proceeding south to Chicago. Which statement is TRUE with re...
  35. #174 Nautical charts published by the Canadian Hydrographic service which are referenced in the United States Coast Pilot are identified by __________.
  36. #175 Assume that your vessel has just entered Lake Erie by way of the Welland Canal and is proceeding in a southwesterly direction. Which statement about t...
  37. #176 Your vessel is approaching the International Bridge on the St. Marys River. If the gage on the bridge, read from top to bottom, indicates 124 ft. and...
  38. #177 Which publication offers information on Great Lakes ice services?
  39. #178 Your vessel is underway and approaching an overhead obstruction on Lake Superior. Given the following information, determine the clearance between you...
  40. #179 A list man would expect to see any of the following light signals EXCEPT __________.
  41. #180 Nearly half of all storms that enter the Great Lakes Basin during the period from October through May come from __________.
  42. #181 Advection fog, a common occurrence on the Great Lakes, forms when __________.
  43. #182 Which type of fog is the most dense and widely spread of those that occur on the Great Lakes?
  44. #183 Advection fog holds longest over which portions of the lakes?
  45. #184 Which statement is TRUE concerning weather conditions on the Great Lakes?
  46. #185 Which statement concerning storm surges on the Great Lakes is FALSE?
  47. #186 On the Great Lakes, winter storms compound the ice threat by bringing a variety of wind, wave, and weather problems on an average of every __________.
  48. #187 Fog can form in any season on the Great Lakes, but it is most likely to occur over open waters in __________.
  49. #188 What is NOT characteristic of the conditions which would be experienced by a vessel located southeast of an approaching eastward-moving storm center o...
  50. #189 The phenomenon known as a "seiche" is most likely to occur on Lake Erie __________.
  51. #190 On the Great Lakes, short-term fluctuations in water levels may be a result of any of the following EXCEPT __________.
  52. #191 On which of the Great Lakes would shore ice be the most pronounced?
  53. #192 Generally speaking, the more destructive storms occurring on the Great Lakes usually come from the __________.
  54. #193 A vessel operating on the Great Lakes, and whose position is southeast of an eastward-moving storm center, would NOT experience __________.
  55. #194 Which statement concerning storm surges on the Great Lakes is FALSE?
  56. #195 While your vessel is docked port side to a wharf, a sudden gale force wind causes the vessel's stern lines to part. The stern begins to fall away from...
  57. #196 You are on watch at night in clear visibility and the vessel has just been anchored. What is the first thing that you should do after the anchor has b...
  58. #197 You are on anchor watch. As an aid to preventing thievery on the vessel you should __________.
  59. #198 When the gyro-pilot is used for steering, what control is adjusted to compensate for varying sea conditions?
  60. #199 You have the "conn" at the time the helmsman who is steering by hand reports that the rudder is not responding to the wheel. Your FIRST action should...
  61. #200 The "rudder adjustment" control on an autopilot steering stand is used to __________.
  62. #201 Bilge soundings indicate __________.
  63. #202 Your ship is steaming at night with the gyro-pilot engaged when you notice that the vessel's course is slowly changing to the right. What action shoul...
  64. #203 You are on watch at sea at night and a fire breaks out in #3 hold. What should be done IMMEDIATELY?
  65. #204 While on watch at sea you must maintain a proper lookout at all times. You are on a 200-foot cargo vessel with an unobstructed view astern from the st...
  66. #205 The "Port-Off-Stbd" selector switch on an autopilot steering stand is used to __________.
  67. #206 While steering by autopilot you notice that the vessel has deviated 15 degrees from course and there is no corrective rudder being applied. As a stand...
  68. #207 When a vessel is on autopilot steering, the "weather " control is adjusted to compensate for which severe weather effect on a vessel?
  69. #208 The "Mode" selector switch can be positioned and select all of the following EXCEPT __________.
  70. #209 When steering by hand, which of the following may be a functional input to the steering gear as a result of turning the wheel?
  71. #210 You are a watchstanding mate and have come to the bridge to relieve the watch. After reviewing the chart and having been briefed by the off-going mate...
  72. #211 You are a watchstanding mate and have come to the bridge to relieve the watch. After reviewing the chart and having been briefed by the off-going mate...
  73. #212 You are on watch at sea and find it prudent to call the Master to the bridge due to traffic congestion. The moment that the Master officially relieves...
  74. #213 Rudder position is shown on the bridge by the __________.
  75. #214 The lookout sights a vessel dead ahead. This should be reported on the bell with __________.
  76. #215 A look-out at the bow sights an object on your port side. How many bell strokes should he sound?
  77. #216 While on duty as a look-out, which other duty may you perform?
  78. #217 When must a proper look-out must be kept?
  79. #218 While standing look-out at night, a dim light on the horizon will be seen quickest by looking __________.
  80. #219 When is a lookout permitted to leave his station?
  81. #220 What should look-outs report?
  82. #221 A look-out should report objects sighted using __________.
  83. #222 What action should the helmsman take when hearing the command "ease the rudder"?
  84. #223 When a helmsman receives the command "Right 15 degrees rudder," What should the helmsman's immediate reply be ?
  85. #224 What is a CORRECT reply to a pilot's request, "How's your head"?
  86. #225 When being relieved of the helm, the new helmsman would find it handy to know which of the following?
  87. #226 When relieving the helm, the new helmsman should know which of the following before assuming the watch?
  88. #227 What is the "iron mike"?
  89. #228 You are standing the wheel watch on entering port and the Master gives you a rudder command which conflicts with a rudder command from the Pilot. What...
  90. #229 What does the helm command "shift the rudder" mean?
  91. #230 What does the helm command "meet her" mean?
  92. #231 The helm command "Nothing to the left" means do NOT __________.
  93. #232 What does the helm command "Left twenty" mean?
  94. #233 What does the helm command "Check her" mean?
  95. #234 What does the helm command "Steady as you go" mean?
  96. #235 When steering a vessel, which of the following will an effective helmsman do?
  97. #236 You are standing the wheelwatch when you hear the cry, "Man overboard starboard side". What immediate action should you take?
  98. #237 While the Pilot is maneuvering the vessel to a dock, what is the PRIMARY responsibility of the watch officer?
  99. #238 While the Pilot is maneuvering the vessel to a dock, what is the primary responsibility of the watch officer?
  100. #239 A vessel is entering port and has a Pilot conning the vessel. The Master is unsure that the Pilot is taking sufficient action to prevent a collision....

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.