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Safety - USCG Exam Questions

Firefighting, lifesaving appliances and survival craft, emergency procedures, first aid, and pollution prevention regulations.

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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Questions 1,901–2,000 of 3,245 · page 20 of 33

  1. #2094 The difference between the height of the metacenter and the height of the center of gravity is known as the __________.
  2. #2095 When initial stability applies, the height of the center of gravity plus the metacentric height equals the __________.
  3. #2096 The difference between the height of the metacenter and the height of the center of gravity is __________.
  4. #2097 A vessel with a large GM will __________.
  5. #2098 A negative metacentric height __________.
  6. #2099 A negative metacentric height __________.
  7. #2100 A negative metacentric height __________.
  8. #2101 The righting moment can be determined by multiplying the displacement by the __________.
  9. #2102 GM cannot be used as an indicator of stability at all angles of inclination because __________.
  10. #2103 The horizontal distance between the vertical lines of action of gravity and the buoyant forces is called the __________.
  11. #2104 Metacentric height is a measure of __________.
  12. #2105 In small angle stability, the metacentric height __________.
  13. #2106 When a vessel is floating upright, the distance from the keel to the metacenter is called the __________.
  14. #2107 Subtracting KG from KM yields __________.
  15. #2108 The important initial stability parameter, GM, is the __________.
  16. #2109 Subtracting GM from KM yields __________.
  17. #2110 For a floating vessel, the result of subtracting KG from KM is the __________.
  18. #2111 If the metacentric height is small, a vessel will __________.
  19. #2112 If the metacentric height is large, a vessel will __________.
  20. #2113 When the height of the metacenter is the same as the height of the center of gravity, the metacentric height is equal to __________.
  21. #2114 With no environmental forces acting on the vessel, the center of gravity of an inclined vessel is vertically aligned with the __________.
  22. #2115 The moment created by a force of 12,000 tons and a moment arm of 0.25 foot is __________.
  23. #2116 A moment of 300 ft-tons is created by a force of 15,000 tons. What is the moment arm?
  24. #2117 Aboard a vessel, multiplying a load's weight by the distance of the load's center of gravity from the centerline results in the load's __________.
  25. #2118 The result of multiplying a weight by a distance is a __________.
  26. #2119 A moment is obtained by multiplying a force by its __________.
  27. #2120 The moment created by a force of 12,000 tons and a moment arm of 0.25 foot is __________.
  28. #2121 A moment of 300 ft-tons is created by a force of 15,000 tons. What is the moment arm?
  29. #2122 Aboard a vessel, dividing the sum of the transverse moments by the total weight yields the vessel's __________.
  30. #2123 The magnitude of a moment is the product of the force and __________.
  31. #2124 When a vessel has positive stability, the distance between the line of force through B and the line of force through G is called the __________.
  32. #2125 For a given displacement, the righting arm has its maximum value when __________.
  33. #2126 When a wind force causes a vessel to heel to a static angle, the __________.
  34. #2127 For a vessel inclined by the wind, multiplying the buoyant force by the horizontal distance between the lines of action of the buoyant and gravity for...
  35. #2128 When positive stability exists, GZ represents the __________.
  36. #2129 At all angles of inclination, the true measure of a vessel's stability is the __________.
  37. #2130 The angle of maximum righting arm corresponds approximately to the angle of __________.
  38. #2131 Transverse stability calculations require the use of __________.
  39. #2132 The amount of freeboard which a ship possesses has a tremendous effect on its __________.
  40. #2133 The change in weight (measured in tons) which causes a draft change of one inch is __________.
  41. #2134 The enclosed area defined as the intersection of the surface of the water and the hull of a vessel is the __________.
  42. #2135 The waterplane area is described as the intersection of the surface of the water in which a vessel floats and the __________.
  43. #2136 Initial stability refers to stability __________.
  44. #2137 Initial stability of a vessel may be improved by __________.
  45. #2138 Which action will affect the trim of a vessel?
  46. #2139 The ship's tanks most effective for trimming are the __________.
  47. #2140 Those ship's tanks that are particularly important for trimming the ship are the __________.
  48. #2141 The change in trim of a vessel may be found by __________.
  49. #2142 Which would NOT provide extra buoyancy for a vessel with no sheer?
  50. #2143 The "trimming arm" of a vessel is the horizontal distance between the __________.
  51. #2144 When a vessel's LCG is aft of her LCB, the vessel will __________.
  52. #2145 The two points that act together to trim a ship are the __________.
  53. #2146 Longitudinal moment is obtained by multiplying a vessel's weight and its __________.
  54. #2147 The LCG of a vessel may be found by dividing displacement into the __________.
  55. #2148 Aboard a vessel, dividing the sum of the longitudinal moments by the total weight yields the vessel's __________.
  56. #2149 A vessel's LCG is determined by __________.
  57. #2150 A vessel trimmed by the stern has a __________.
  58. #2152 The forward draft of your ship is 27'-11" and the after draft is 29'-03". The draft amidships is 28'-05". Your vessel is __________.
  59. #2153 A ship's forward draft is 22'-04" and its after draft is 23'-00". The draft amidships is 23'-04". This indicates a concentration of weight __________.
  60. #2154 The result of two forces acting in opposite directions and along parallel lines, is an example of what type of stress?
  61. #2155 The shearing stresses on a ship's structure are usually greatest at __________.
  62. #2156 Tensile stress is a result of two forces acting in __________.
  63. #2157 A vessel's bottom will be subjected to tension when weight is concentrated __________.
  64. #2158 Weight concentration in which area will cause a vessel's bottom to be subjected to tension stresses?
  65. #2159 Signs of racking stresses generally appear at the __________.
  66. #2160 When a vessel is stationary and in a hogging condition, the main deck is under which type of stress?
  67. #2161 When a vessel is stationary and in a hogging condition, the main deck is under __________.
  68. #2162 If a vessel is sagging, which kind of stress is placed on the sheer strake?
  69. #2163 When a vessel is stationary and in a hogging condition, the main deck is under __________.
  70. #2164 If a vessel is sagging, what kind of stress is placed on the sheer strake?
  71. #2165 Your vessel has a midships engine room and the cargo is concentrated in the end holds. The vessel is __________.
  72. #2166 Which is the MOST important consideration for a tank vessel?
  73. #2167 The normal tendency for a loaded tanker is to __________.
  74. #2168 Of the following, the most important consideration for a tank vessel is __________.
  75. #2169 A vessel is inclined at an angle of loll. In the absence of external forces, the righting arm (GZ) is __________.
  76. #2170 What is not usually a concern when loading a single-hulled tanker?
  77. #2171 Using the information in Section 1, the blue pages, of the Stability Data Reference Book, determine the danger angle for permanent list if the KG is 2...
  78. #2172 Using the information in Section 1, the blue pages, of the Stability Data Reference Book, determine the danger angle for permanent list if the KG is 2...
  79. #2173 Using the information in Section 1, the blue pages, of the Stability Data Reference Book, determine the danger angle for permanent list if the KG is 2...
  80. #2174 Using the information in Section 1, the blue pages, of the Stability Data Reference Book, determine the danger angle for permanent list if the KG is 2...
  81. #2175 Using the information in Section 1, the blue pages, of the Stability Data Reference Book, determine the danger angle for permanent list if the KG is 2...
  82. #2176 Using the information in Section 1, the blue pages, of the Stability Data Reference Book, determine the danger angle for permanent list if the KG is 2...
  83. #2177 Using the information in Section 1, the blue pages, of the Stability Data Reference Book, determine the danger angle for permanent list if the KG is 2...
  84. #2178 Using the information in Section 1, the blue pages, of the Stability Data Reference Book, determine the danger angle for permanent list if the KG is 2...
  85. #2179 A vessel has a maximum allowable draft of 28 feet in salt water and a fresh water allowance of 8 inches. At the loading berth, the water density is 1....
  86. #2180 Your vessel is floating in water of density 1.010. The fresh water allowance is 8 inches. How far below her marks may she be loaded so as to float at...
  87. #2181 A tanker loads at a terminal within the tropical zone. She will enter the summer zone five days after departing the loading port. She will burn off ab...
  88. #2182 A tanker loads at a terminal within the tropical zone. She will enter the summer zone six days after departing the loading port. She will burn off 45...
  89. #2183 A vessel's tropical load line is 6 in. above her summer load line. Her TPI is 127 tons. She will arrive in the summer zone 8 days after departure. She...
  90. #2185 You are loading in a port subject to the winter load line mark and bound for a port subject to the tropical load line mark. You will enter the summer...
  91. #2186 You are loading in a port subject to the winter load line mark and bound for a port subject to the summer load line mark. You will enter the summer zo...
  92. #2187 You are loading in a port subject to the tropical load line mark and bound for a port subject to the summer load line mark. You will enter the summer...
  93. #2188 You are loading in a port subject to the tropical load line mark and bound for a port subject to the winter load line mark. You will enter the summer...
  94. #2189 You are loading in a port subject to the tropical load line mark and bound for a port subject to the winter load line mark. You will enter the summer...
  95. #2190 You are loading in a port subject to the summer load line mark and bound for a port subject to the winter load line mark. You will enter the winter zo...
  96. #2191 You are loading in a port subject to the tropical load line mark and bound for a port subject to the summer load line mark. You will enter the summer...
  97. #2192 You are loading in a port subject to the tropical load line mark and bound for a port subject to the winter load line mark. You will enter the summer...
  98. #2193 You are loading in a port subject to the tropical load line mark and bound for a port subject to the winter load line mark. You will enter the summer...
  99. #2194 You are loading in a port subject to the tropical load line mark and bound for a port subject to the winter load line mark. You will enter the summer...
  100. #2195 You are loading in a port subject to the winter load line mark and bound for a port subject to the tropical load line mark. You will enter the summer...

Safety questions: what to expect

Q How many Safety questions are in the Deck pool?

There are 3,245 Safety 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 Safety module from the same pool.

Q What score do I need to pass the Safety module?

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

Q Are these the real USCG Safety 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.

Other Deck modules

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.