Q400 - Navigation and Deck General/Safety, USCG prep certification 2026

Progress: 24% (23/94)

Learning progress ?

1. What is the function of wearing rings found on some centrifugal pumps?Not learned 2. Open ullage holes in tanks which are not gas-free must be protected by __________.Not learned 3. According to Coast Guard Regulations (46 CFR), when loading, or discharging oil in bulk at a dock, which of the following signals must be displayed?Not learned 4. Which of the signals listed is required to be displayed during the day while bunkering?Not learned 5. When planning the loading or discharging of a VLCC (100,000 DWT+) what is the most important consideration?Not learned 6. Which signal must you display at night on a docked tank barge to show that it is loading or discharging flammable liquid cargo?Not learned 7. According to U.S. regulations, how many emergency outfits are required to be carried onboard all tankships over 1,000 gross tons?Not learned 8. What must be present in order for combustion to occur inside a piping system such as a vapor collection header in a marine emission control system?Not learned 9. What type of gas detection device is used to determine when gassing up is complete?Not learned 10. Asphyxia is generally limited to enclosed spaces, and the deficiency of breathable air in an enclosed space can occur with any of the following conditions. Indicate the condition that will NOT cause asphyxia.Not learned 11. When discharging clean ballast, prior to entering the loading port, if the ballast is determined by the oil monitor to exceed 15 parts per million of oil, the deballasting must _________.Not learned 12. Which of the following statements is TRUE concerning life jackets?Not learned 13. Life jackets should be marked with which item?Not learned 14. What is the purpose of rigging frapping lines on lifeboat falls?Not learned 15. A magnetic compass card is marked in how many degrees?Not learned 16. As a vessel changes course to starboard, which is TRUE concerning the compass card in a magnetic compass?Not learned 17. Which would influence a magnetic compass?Not learned 18. To turn over an inflatable liferaft that is upside down, you should pull on which item?Not learned 19. Inflatable liferafts are less maneuverable than lifeboats due to their __________.Not learned 20. An inflatable liferaft can be launched by __________.Not learned 21. After having thrown the liferaft and stowage container into the water, how is the liferaft inflated?Not learned 22. If you find an inflatable liferaft container with the steel bands still in place around its case, which action should you take?Not learned 23. If your vessel is equipped with inflatable liferafts, how should they be maintained?Not learned 24. If a MODU takes a sudden severe list or trim from an unknown cause, you should FIRST __________.Not learned 25. After measuring the length to which a section of shoring should be cut, you should cut the shoring __________.Not learned 26. The order of importance in addressing damage control is __________.Not learned 27. In plugging submerged holes; why are rags, wedges, and other materials used in conjunction with plugs?Not learned 28. What must be accurately determined to assess the potential for progressive flooding after a vessel has been damaged?Not learned 29. What is acceptable flame screening?Not learned 30. According to Coast Guard Regulations (46 CFR), no vessel can come alongside or remain alongside a tank vessel while it is loading A, B, or C grade cargo without having the permission of the __________.Not learned 31. Which agency must approve the safety equipment on board inspected vessels?Not learned 32. Battens are fitted in cargo holds across the frames of the vessel from the turn of the bilge upward. What is the main purpose of these cargo battens?Not learned 33. Which bend or knot is used to tie a small line to a larger one?Not learned 34. What is the best splice for repairing a parted synthetic fiber mooring line?Not learned 35. Which is the proper name given to a block that can be opened at the hook or shackle end to receive a bight of the line?Not learned 36. The boom indicator tells the operator at what angle the boom is compared to the __________.Not learned 37. A breeches buoy is being rigged from the shore to a stranded vessel. The initial shot line passed to the vessel is normally made fast to a __________.Not learned 38. When bunkering at anchorage which of the following signals must be displayed?Not learned 39. If you are bunkering and you close off one tank in the line of tanks being filled, what happens to the rate of flow to other open tanks on the same line?Not learned 40. When bunkering at a dock which of the following signals must be displayed?Not learned 41. Which term defines cargo that is highly susceptible to damage by tainting from odorous cargo?Not learned 42. On a cargo vessels which fire extinguisher is considered semi-portable?Not learned 43. Under the Carriage of Goods by Sea Act of 1936, which of the following will make a vessel liable if there is damage to the cargo?Not learned 44. When carrying a cargo of asphalt or molten sulfur, which are carried at temperatures of over 300°F, one of the biggest dangers is __________.Not learned 45. Who certifies the safe working load of cargo booms on a vessel?Not learned 46. Which commodity would be regulated by subchapter D, Rules and Regulations for Tank Vessels?Not learned 47. A common class of wire rope is the 6X37 class. What does the 37 represent?Not learned 48. Which condition must be met during a stability test on an inspected vessel?Not learned 49. Which data can NOT be found on a moisture equilibrium chart?Not learned 50. When the dew point of the outside air is higher than the dew point of the air in the cargo hold, which action should you take?Not learned 51. When the dew point of the outside air is lower than or equal to the dew point of the air in the cargo hold, which is the BEST action to take?Not learned 52. Which document is NOT required by law to be posted aboard a vessel?Not learned 53. What is an enclosure which will withstand ignition of a flammable gas, and which will prevent the transmission of any flame able to ignite a flammable gas, which may be present in the surrounding atmosphere called?Not learned 54. A flame screen __________.Not learned 55. Which of the following statements is/are TRUE in regard to Ro-Ro vessels' spaces that are "specially suitable for vehicles"?Not learned 56. Which of the following statement(s) is/are TRUE regarding twin pedestal cranes?Not learned 57. The galley on your cargo vessel has an area of 2,500 square feet. Which of the following would fulfill the minimum requirements for fire protection?Not learned 58. The galley on your cargo vessel has an area of 2,900 square feet. What will fulfill the requirements for fire protection?Not learned 59. The galley on your cargo vessel has an area of 2,900 square feet. What will fulfill the requirements for fire protection?Not learned 60. As a general guide, under which condition should hygroscopic cargoes be ventilated?Not learned 61. If given equal care, nylon line should last how many times longer than manila line?Not learned 62. A heated bulkhead has which effect on a hygroscopic commodity?Not learned 63. Where is the heel block located on a boom?Not learned 64. On an inspected vessel, which abbreviation refers to the horizontal distance between perpendiculars taken at the forward-most and the after-most points on the waterline at her deepest operating draft?Not learned 65. On an inspected vessel, when may a stability test be dispensed with?Not learned 66. Which item do you NOT have to provide for the Coast Guard representative at the time of a stability test?Not learned 67. Which knot in illustration D030DG below represents a timber hitch?Not learned 68. Which knot is used to attach two different sized lines together?Not learned 69. Which knot/bend is used to form the bridle at the standing part of a gantline rigged to a stage?Not learned 70. The most likely time for oil pollution while bunkering is when __________.Not learned 71. The load chart of a crane enables the operator to combine the load radius with boom length to determine the __________.Not learned 72. If you are loading fruit in reefer spaces and you notice that the fruit is beginning to mold, which action should you take?Not learned 73. How many fire axes should be carried by a 700 GT cargo vessel, navigating the Great Lakes?Not learned 74. Which describes Marline?Not learned 75. What is meant by the term "topping the boom"?Not learned 76. What is the mechanical advantage, neglecting friction, of tackle number 5 as shown in illustration D029DG below?Not learned 77. What is the minimum number of fire pumps required on a cargo vessel of 900 GT?Not learned 78. Given a dry bulb temperature of 78°F and wet bulb temperature of 66.5°F, what is the dew point?Not learned 79. What is the name of tackle number 12 as shown in illustration D029DG below?Not learned 80. Which is the proper term for a band or collar on the top end of a boom to which the topping lift, midships guy, and outboard guys are secured?Not learned 81. Sweat damage in a hatch full of canned goods in cartons will occur when which condition exists?Not learned 82. Which term describes Cargoes that might leak from containers?Not learned 83. Your vessel is loaded with nonhygroscopic cargoes and is going from a cold to a warm climate. Which action should you take to avoid sweat damage while on the voyage?Not learned 84. How much foam does an A B-III foam extinguisher contain?Not learned 85. Who must approve the vessel's trim and stability booklet?Not learned 86. Where must a pressure gauge for each fire pump on a tankship be located?Not learned 87. How is the number of pounds of carbon dioxide required for each cargo space on a cargo vessel computed?Not learned 88. In order to reduce the accumulation of static electricity while loading petroleum products, you should __________.Not learned 89. Pedestal cranes have limit switches to restrict the movement of which function?Not learned 90. The periodic weight testing of a vessel's cargo booms may be performed by which organization?Not learned 91. Which position shown in illustration D019DG below is the most dangerous when tying up?Not learned 92. Which is a precaution you should take before bunkering?Not learned 93. You are preparing to slush a stay on your vessel by lowering yourself down the stay in a bosun's chair. The proper way to do this is to ride down the stay on a riding shackle in which configuration?Not learned 94. Which can be prevented only by segregating two lots of cargo into separate holds?Not learned 95. The primary function of which line(s) is to hold the vessel snuggly to the dock?Not learned 96. What is the proper first aid for LPG in the eye?Not learned 97. What is the purpose of chafing gear?Not learned 98. In reference to accidental oil pollution, the most critical time during bunkering is when __________.Not learned 99. In relation to cargo gear, what does "SWL" mean?Not learned 100. What are the required number and type of hand portable fire extinguishers to be carried, in the vicinity of the radio room exit, on a tank vessel on an international voyage?Not learned 101. It is the responsibility of the crane operator to, at all times, be aware of the location of the __________.Not learned 102. The safe working load for the assembled cargo gear and the minimum angle to the horizontal for which the gear is designed shall be marked on the __________.Not learned 103. The scuppers had been plugged as required at the time a small oil spill occurs on deck from a leaking dresser coupler. After shutting down the transfer, the engine room should first be informed, and then which action should be taken?Not learned 104. Which of the signals listed is required to be displayed at night while bunkering at a dock?Not learned 105. The signal man assisting the crane operator has his arm extended, his fingers closed, and his thumb pointing downward. This is the signal to __________.Not learned 106. The signal man assisting the crane operator has his arm extended with the palm down and holds this position rigidly. This is the signal to __________.Not learned 107. The signal man assisting a crane operator has his arm extended, thumb pointing downwards, flexing fingers in and out. What does this signal mean?Not learned 108. Which space(s) on your cargo vessel must have a fire detection system?Not learned 109. The space containing the cylinders for the carbon dioxide (CO2) fire extinguishing system must be designed to preclude an anticipated ambient temperature in excess of which temperature?Not learned 110. Which statement(s) is (are) TRUE concerning wire rope?Not learned 111. Which statement about the use of portable electric lights in petroleum product tanks is TRUE?Not learned 112. Static electricity may be built up by the __________.Not learned 113. Which is the strongest method of forming an eye in wire rope?Not learned 114. A tug should not come alongside a tank vessel in way of its cargo tanks while it is loading grade A, B, or C cargo without the permission of the __________.Not learned 115. The two courses of action if the underwater hull is severely damaged are to plug the openings or to take which action?Not learned 116. Which type of hull damage on a floating MODU should be repaired first?Not learned 117. What are the type and number of hand portable fire extinguishers required outside and in the vicinity of the paint locker exit?Not learned 118. Using a safety factor of five, determine what is the safe working load for 3-1/2-inch manila line with a breaking stress of 4.9 tons.Not learned 119. Which vessel is most likely to be loaded full but not down?Not learned 120. What is a wet cargo?Not learned 121. The wooden plug inserted in the vent of a damaged tank should be removed if you are going to __________.Not learned 122. Which agency maintains federal aids to navigation?Not learned 123. Which agency publishes the Light Lists?Not learned 124. Which is a characteristic of anticyclones?Not learned 125. Which are associated with Cumulonimbus clouds?Not learned 126. What does a barometer measure?Not learned 127. Barometer readings in weather reports are given in terms of pressure at which reference location?Not learned 128. What is the basic principle of the magnetic compass?Not learned 129. When a buoy is in position only during a certain period of the year, where may the dates when the buoy is in position be found?Not learned 130. What are Cirrus clouds primarily composed of?Not learned 131. On a clear, warm day, you notice the approach of a tall cumulus cloud. The cloud top has hard well-defined edges and rain is falling from the dark lower edge. What should you expect if this cloud passes directly overhead?Not learned 132. What is the name of a cloud of marked vertical development (often anvil-shaped) and produces showers?Not learned 133. Which clouds is a thin, whitish, high cloud popularly known as "mares' tails"?Not learned 134. Which condition would most likely result in fog?Not learned 135. By convention, the Earth's south magnetic pole is which color?Not learned 136. Which correction must be applied to an aneroid barometer reading?Not learned 137. Cumulonimbus clouds are formed by __________.Not learned 138. What do cumulus clouds that have undergone vertical development and have become cumulonimbus in form indicate?Not learned 139. Which is TRUE concerning privately maintained aids to navigation included in the Light List?Not learned 140. What can be expected with the presence of stratus clouds and a dying wind?Not learned 141. To find the specific phase characteristic of a lighthouse on a sound of the United States you would use which reference?Not learned 142. Fog forms when the air temperature is at or below __________.Not learned 143. Fog generally clears when the __________.Not learned 144. In illustration D039NG below, what type of cloud is indicated by the number one?Not learned 145. An instrument designed to maintain a continuous record of atmospheric pressure is a(n) __________.Not learned 146. How is the intensity of a light expressed in the Light Lists?Not learned 147. Which list of clouds is in sequence, from highest to lowest in the sky?Not learned 148. The magnetic compass magnets are acted on by the horizontal component of the Earth's total magnetic force. Where is this magnetic force the GREATEST?Not learned 149. The National Oceanic and Atmospheric Administration publishes which item?Not learned 150. In the Northern Hemisphere, when the center of a high-pressure system is due east of your position, you can expect winds from which direction?Not learned 151. When observing a rapid rise in barometric pressure, what may you expect?Not learned 152. You are planning to enter an unfamiliar U.S. port. Which publication provides information about channel depths, dangers, obstructions, anchorages, and marine facilities available in that port?Not learned 153. Which publication should you check for complete information on Puget Sound weather conditions?Not learned 154. Which publication contains information on navigation regulations, landmarks, channels, anchorages, tides, currents, and clearances of bridges for Chesapeake Bay?Not learned 155. What publication has information on the climate, distances, navigation regulations, outstanding landmarks, channels and anchorages of Long Island Sound?Not learned 156. Which publication lists Class I and II private aids to navigation in or along navigable waters of the United States?Not learned 157. What is published by the U.S. Coast Guard?Not learned 158. What does a slow, gradual fall of the barometer indicate?Not learned 159. What does a slow rise in the barometric pressure forecast?Not learned 160. In the Southern Hemisphere winds in a low pressure system rotate in which direction?Not learned 161. Which is TRUE as the temperature of the air reaches the dew point?Not learned 162. Which term is used to describe a generally circular low-pressure area?Not learned 163. Which is TRUE of an aneroid barometer?Not learned 164. Which is TRUE concerning the points on the earth's surface where the magnetic dip is 90°?Not learned 165. From which type of cloud can a tornado or waterspout develop?Not learned 166. Which type of fog occurs on clear nights with very light breezes and forms when the earth cools rapidly?Not learned 167. While on watch, you notice that the air temperature is dropping and is approaching the dew point. Which type of weather should be forecasted?Not learned 168. Which action must be taken annually concerning inflatable liferafts carried on passenger vessels?Not learned 169. Which defines the function of a spark arrestor?Not learned 170. Who determines the number of rowing oars that must be carried in a motor-propelled lifeboat on a cargo vessel?Not learned 171. On every vessel, where must distress signals be stowed?Not learned 172. How is the external flotation bladder of an immersion suit inflated?Not learned 173. Free communication effect is in direct proportion to __________.Not learned 174. When you hear three short blasts on the ship's whistle and the same signal on the general alarm bells, which action should you take?Not learned 175. In illustration D016SA below, what number indicates the frapping line?Not learned 176. If an inflatable liferaft is overturned, it may be righted by which action?Not learned 177. When launching a lifeboat, how should the tricing pennants be released?Not learned 178. When launching an open lifeboat by falls, which is TRUE concerning the boathooks?Not learned 179. Your lifeboat has been adrift for several days when land is sighted. Which procedure should you use to survey a potential site to beach your lifeboat?Not learned 180. If a lifeboat is stowed 40 feet above the light water draft and 200 feet from the bow, how long must the sea painter be?Not learned 181. How do the lights on the outside of the canopy on an inflatable liferaft operate?Not learned 182. Line throwing equipment should NOT be operated __________.Not learned 183. In which location are lifejackets required to be stowed?Not learned 184. When lowering a boat with gravity davits, it will be initially pulled into the embarkation deck by which item?Not learned 185. How many ring life buoys should a 700-foot cargo vessel, not subject to SOLAS, navigating the Great Lakes carry?Not learned 186. What is the approximate length of the painter of the inflatable liferaft?Not learned 187. All lifeboats, rescue boats, and rigid-type liferafts shall be stripped, cleaned, and thoroughly overhauled at which time interval?Not learned 188. A liferaft with a capacity of 8 people used in ocean service is required by regulations to carry which items?Not learned 189. Line throwing apparatus aboard ship must contain which items?Not learned 190. A mechanical davit is designed to automatically accomplish which task?Not learned 191. Where must immersion suits be stowed?Not learned 192. You must shore up the collision bulkhead due to solid flooding forward. The bulkhead approximates an inverted triangle. Where should the center of pressure of the shores on the bulkhead be located?Not learned 193. Where a propeller shaft passes through the hull, which device prevents water from entering the hull?Not learned 194. Which term is given to the brickwork surrounding the firebox of a boiler?Not learned 195. A thrust bearing is designed to accomplish which action?Not learned 196. The two factors which make underwater hull repair of a MODU difficult are accessibility and the __________.Not learned 197. Your vessel has 3 lifeboats on each side. The middle lifeboat on the port side is designated as which boat number?Not learned 198. Your passenger vessel is 130 feet (40 m) long and is alternatively equipped for operating in river service. How many life buoys are required for the vessel?Not learned 199. Progressive flooding is controlled by securing watertight boundaries and which other action?Not learned 200. What is the purpose of the hydrostatic release on an inflatable liferaft?Not learned 201. What is the purpose of a striker plate?Not learned 202. What does a pyrometer measure on a diesel engine?Not learned 203. What quality of a diesel fuel is most significant for efficient combustion?Not learned 204. The regulations require that inspected vessels on an international voyage, other than small passenger vessels, must carry which of the following distress signals on or near the navigating bridge?Not learned 205. You are at sea in an inflatable liferaft. In high latitudes, which presents the greatest danger?Not learned 206. Which sequence is correct when launching a lifeboat stowed in gravity davits?Not learned 207. Which statement is FALSE concerning precautions during small craft fueling operations?Not learned 208. Which statement is TRUE concerning the life buoy on your small passenger vessel? (Length 28 feet)Not learned 209. A tank with internal dimensions of 40 feet X 20 feet X 12 feet is pressed with fuel oil weighing 54 pounds per cubic foot. What is the weight, in short tons, of the liquid?Not learned 210. "Thermal protective aids" are required for what percentage of the persons a survival craft is equipped to carry?Not learned 211. Which is TRUE of the term negative slip on a vessel?Not learned 212. The vessel's Emergency Position Indicating Radio beacon (EPIRB) must be tested at which time interval?Not learned 213. Water pockets on the underside of an inflatable liferaft are for _________.Not learned 214. Prior to lowering the lifeboat, which is the most important item to check?Not learned 215. What type of knot in illustration D030DG below is indicated by the Letter "N"?Not learned 216. A wooden plug fitted tightly in the vent of a damaged tank may prevent which situation?Not learned 217. Carbon dioxide cylinders which protect machinery spaces, paint lockers and tanks may be located within those spaces when the amount of carbon dioxide does not exceed which amount?Not learned 218. Great Lakes vessels, using liferafts, must have sufficient liferaft capacity on each side of the vessel to accommodate how many persons onboard?Not learned 219. The falls on gravity davits are required to be constructed from which material?Not learned 220. The Master of a fishing vessel must ensure that each crew member participates in at least one fire drill during which time frame?Not learned 221. When lowering lifeboats in heavy seas, a good practice is to rig frapping lines which way?Not learned 222. When lowering manropes alongside a stage rigged over the side of a vessel, they should be allowed to trail in the water to serve which purpose?Not learned 223. Which defines the standing part of a tackle?Not learned 224. Which is required to be marked on the vessel's life preservers?Not learned 225. Which is TRUE for the connection facilities utilized for the international shore connection aboard the vessel?Not learned 226. Which is TRUE of a pelican hook?Not learned 227. Which of the following describes a "whipping"?Not learned 228. Which statement is TRUE concerning CO2 cylinders which protect the small space in which they are stored?Not learned 229. Which is the proper way to coil right-laid line?Not learned 230. According to regulations, when must limit switches, winches, falls, etc. be thoroughly inspected and repaired as needed?Not learned 231. Which clouds is a thin, whitish, high cloud popularly known as "mares' tails"?Not learned 232. How are cumulonimbus clouds formed?Not learned 233. What is the minimum number of fire pumps required on a cargo vessel of 2,000 GT?Not learned 234. Which instrument is designed to maintain a continuous record of atmospheric pressure?Not learned