Q151 - Deck Safety, USCG prep certification 2026

Progress: 24% (23/94)

Learning progress ?

1. How should gasoline tanks be filled?Not learned 2. What is the required minimum length of the painter for a lifeboat in ocean service?Not learned 3. What is the function of wearing rings found on some centrifugal pumps?Not learned 4. How does good housekeeping prevent fires on a vessel?Not learned 5. What is the signal given to commence lowering the lifeboats?Not learned 6. Which visual distress signal is acceptable for daylight use only?Not learned 7. What is the maximum length of time that distress flares are approved for?Not learned 8. A fire in a pile of dunnage would be classified as a __________.Not learned 9. Fires are grouped into what categories?Not learned 10. A magnesium fire is classified as class _________.Not learned 11. Which defines the "flammable limits" of an atmosphere?Not learned 12. Foam is a very effective smothering agent and __________.Not learned 13. Which portable fire extinguisher should be used on a class C fire on board a vessel?Not learned 14. The primary function of an automatic sprinkler system is to __________.Not learned 15. Which statement is TRUE to safely enter a compartment where CO2 has been released from a fixed extinguishing system?Not learned 16. The volatility of a flammable liquid is indicated by its __________.Not learned 17. Which term defines the lowest temperature required to cause self-sustained combustion of a substance independent of any outside source of ignition?Not learned 18. If you see an individual fall overboard, you should __________.Not learned 19. A person who observes an individual fall overboard should do which of the following?Not learned 20. To keep injured survivors warm in the water after abandoning ship, they should __________.Not learned 21. If there are a number of survivors in the water after abandoning ship, which action should they take?Not learned 22. When collecting condensation for drinking water, __________.Not learned 23. Which precaution should be taken when testing a line throwing gun?Not learned 24. What is placed on the underside of an inflatable liferaft to help prevent it from being skidded by the wind or overturned?Not learned 25. Inflatable liferafts are provided with which item?Not learned 26. Using a sea anchor when in a life raft will __________.Not learned 27. When a ship is abandoned and there are several liferafts in the water, which task must be done to aid in your rescue?Not learned 28. Generally, when lifting an inflatable liferaft back aboard ship which item(s) would you use?Not learned 29. Who should inspect and test an inflatable liferaft?Not learned 30. If your vessel is equipped with inflatable liferafts, how should they be maintained?Not learned 31. When transferring survivors from an enclosed lifeboat to a rescue vessel, personnel on board the boat should take which action?Not learned 32. The center of volume of the immersed portion of the hull is given which term?Not learned 33. Pitching is angular motion of the vessel about what axis?Not learned 34. When a wind force causes a floating MODU to heel to a static angle, the __________.Not learned 35. If a MODU takes a sudden severe list or trim from an unknown cause, you should FIRST __________.Not learned 36. After measuring the length to which a section of shoring should be cut, you should cut the shoring __________.Not learned 37. When shoring a damaged bulkhead, effort should be taken to spread the pressure over the __________.Not learned 38. What must be accurately determined to assess the potential for progressive flooding after a vessel has been damaged?Not learned 39. You are approaching a ship that is broken down and are preparing to take her in tow. BEFORE positioning your vessel to pass the towline, which action should you take?Not learned 40. Which is the abandon ship signal?Not learned 41. You have just abandoned ship and boarded a raft. After the raft is completely inflated you hear a whistling noise coming from a safety valve. Which action should you take?Not learned 42. After abandoning ship which action should be taken IMMEDIATELY upon entering a liferaft?Not learned 43. Aboard a vessel, a common formula which consists of dividing the sum of the vertical moments by the total weight yields which information?Not learned 44. Which action should be taken once fueling has been completed?Not learned 45. With the air supply on, which is TRUE concerning the air pressure in an enclosed lifeboat?Not learned 46. If an airplane circles a vessel 3 times, crosses the vessel's course close ahead while rocking the wings, and heads off in a certain direction, what does this indicate?Not learned 47. The amount of freeboard which a ship possesses has a tremendous effect on which item?Not learned 48. With an approved combination nozzle, low-velocity fog is produced by __________.Not learned 49. What is the best indication of the loading of a diesel engine?Not learned 50. What is a butt welded joint's strength compared to the base metal?Not learned 51. What is the calling and distress frequency on a single side band (SSB) marine radiotelephone?Not learned 52. Carbon dioxide as a firefighting agent has which advantage over other agents?Not learned 53. The carburetor is placed on the engine to __________.Not learned 54. When carrying out a parallel track search pattern, the course of the search units should normally be which of the following?Not learned 55. If the cause of severe list or trim of a vessel is due to off-center ballast, counter-flooding into empty tanks will __________.Not learned 56. Channel 13 (156.65 MHz), the designated bridge-to-bridge channel, may NOT be used to __________.Not learned 57. Channel 13 is primarily used for ship-to-ship communication. Channel 13 is also authorized for which purpose?Not learned 58. What color signal flare is sent up by a submarine to indicate an emergency?Not learned 59. The color of the signal flares sent up by a submarine surfacing from periscope depth is __________.Not learned 60. What condition will result in the automatic shutdown of a diesel engine?Not learned 61. What could result in an incorrect oxygen concentration reading on the oxygen indicator?Not learned 62. Before counterflooding to correct a list, you must be sure the list is due to which of the following choices?Not learned 63. A covered liferaft has very limited maneuverability. Which of the following is True concerning the beaching of a liferaft in a rough surf?Not learned 64. A crew member has just fallen overboard off your port side. Which action should you take?Not learned 65. What is the danger to personnel associated with using carbon dioxide in an enclosed space?Not learned 66. Deballasting a double bottom has what effect on KG?Not learned 67. The deck beam brackets of a transversely framed vessel resist which stresses?Not learned 68. Which defines the function of a spark arrestor?Not learned 69. How are all diesel engines classified?Not learned 70. You discover a leak in the fuel line to the engine. Which action should you take FIRST?Not learned 71. Due to the shape of the sea anchor, which is the best way to haul it back aboard?Not learned 72. When electrical equipment is involved in a fire, where should the stream of dry chemicals be directed?Not learned 73. If an engine shuts down due to high jacket water temperature, what action should be taken?Not learned 74. What entry would NOT be shown on the V line of an AMVER report?Not learned 75. When evacuating a seaman by helicopter lift, which statement is TRUE?Not learned 76. The exhaust pipe must be gas tight throughout its entire length otherwise __________.Not learned 77. When should the external inflation bladder on an immersion suit be inflated?Not learned 78. After extinguishing a paint locker fire using the fixed CO2 system, the next action is to have the space __________.Not learned 79. What factor is essential to the proper operation of a radiator cooled engine?Not learned 80. Which factor has the greatest effect on the value of the free surface correction?Not learned 81. You are fighting a class "B" fire with a portable dry chemical extinguisher. The discharge should be directed __________.Not learned 82. You are fighting a fire in a cargo hold on your vessel. Which action is most important concerning the stability of the vessel?Not learned 83. Fighting a fire in the galley poses which additional threat?Not learned 84. When fighting fires in spaces containing bottles of LPG (liquefied petroleum gas), which is the most prudent action to take?Not learned 85. When fighting a fire using a portable carbon dioxide extinguisher, where should the stream be directed to extinguish the fire?Not learned 86. Fire in an engine compartment is best extinguished with carbon dioxide gas (CO2) and by which action?Not learned 87. The first AMVER position report must be sent within how many hours of departure?Not learned 88. When should you first have any food or water after boarding a lifeboat or liferaft?Not learned 89. In a fixed CO2 fire extinguishing system where pressure from pilot cylinders is used to release the CO2 from the main bank of 20 cylinders, what is the minimum number of required pilot cylinders?Not learned 90. Foam is effective in combating which class(es) of fire?Not learned 91. Which of the following is one of the most important safety procedures that should be adhered to prior to starting a gasoline engine on a motorboat?Not learned 92. If you are forced to abandon ship in a liferaft, what would be your course of action?Not learned 93. Free communication effect is in direct proportion to __________.Not learned 94. If a gasoline engine turns over freely but will not start, the cause is generally __________.Not learned 95. In general, how often are sanitary inspections of passenger and crew quarters made aboard passenger vessels in river service?Not learned 96. Where are the grab rails of a metal lifeboat normally located?Not learned 97. The greatest effect on stability occurs from loose liquids flowing __________.Not learned 98. When the handle of an all-purpose nozzle is in the vertical position and without an applicator, the all- purpose nozzle will __________.Not learned 99. Why is the height of a VHF radio antenna more important than the power output wattage of the radio?Not learned 100. When a helicopter is lifting personnel from an enclosed lifeboat, what should the other individuals in the boat do?Not learned 101. Horizontal transverse motion of a vessel is known by which term?Not learned 102. In illustration D001SA below, what represents the metacentric height?Not learned 103. In the illustration, the line indicated by number 4 is connected to which of the followingNot learned 104. In illustration D033DG below, what is the area indicated by the letter G is known as?Not learned 105. In illustration D033DG below, what is the joint indicated by letter D?Not learned 106. What is the most important characteristic of the extinguishing agent in fighting a class "C" fire?Not learned 107. The most important reason for taking anti-seasickness pills as soon as possible after entering a life raft is to __________.Not learned 108. An important step in fighting any electrical fire is to take which action?Not learned 109. Which indicates the volatility of a flammable liquid?Not learned 110. If an inflatable liferaft inflates upside down, you can right it by taking which action?Not learned 111. An inflatable liferaft is thrown into the water from a sinking vessel. What should occur after the painter trips the CO2 bottles to inflate the raft?Not learned 112. You have a large, broken-down vessel in tow with a wire rope and anchor cable towline. Both vessels have made provision for slipping the tow in an emergency; however, unless there are special circumstances which is TRUE?Not learned 113. How should the letter "D" be pronounced when spoken on the radiotelephone?Not learned 114. "Limber" is a term associated with which item?Not learned 115. When should the lubricating oil be changed on a heavy-duty diesel engine?Not learned 116. Maintaining good working order of fuel pumps and injectors in auxiliary diesel engines requires the use of __________.Not learned 117. Which is a major advantage of the round turn maneuver in a man overboard situation?Not learned 118. How should a message warning of a tropical storm be sent?Not learned 119. You have abandoned ship in rough weather. After picking up other survivors in your liferaft, what should you do next?Not learned 120. Deficient oxygen content inside a chain locker can be detected with which item?Not learned 121. Which of the following when removed will extinguish a fire?Not learned 122. All lifeboats, rescue boats, and rigid-type liferafts shall be stripped, cleaned, and thoroughly overhauled at which time interval?Not learned 123. The Master of a cargo or tank vessel shall be responsible that each lifeboat, except those free-fall launched, is lowered to the water with crew and maneuvered. Which time interval is this action required?Not learned 124. When must the Sailing Plan, required by vessels participating in AMVER, be sent?Not learned 125. What is the name given to the bottom row of plating next to the keel of a lifeboat?Not learned 126. Normally, potable water systems are connected directly to the __________.Not learned 127. Normally, before taking drinking water on board in the U.S. or its possessions, the responsible person from the vessel should determine which information about the water source?Not learned 128. Normally, your vessel is on a voyage of three months duration. How many sanitary inspections are required to be conducted during the voyage?Not learned 129. Which officer is responsible for the sanitary condition of the engineering department?Not learned 130. On a passenger vessel, the vessel's name must appear on which item(s)?Not learned 131. The pillar shape that gives the greatest strength for the least weight is the __________.Not learned 132. When positive stability exists, what does GZ represent?Not learned 133. The safety discs on carbon dioxide cylinders are set to release at 2,700 psi. Under normal circumstances this pressure will be reached at which temperature?Not learned 134. Which term defines the horizontal fore-and-aft movement of a vessel?Not learned 135. Which term describes the time required to incline the vessel from port to starboard and back to port again?Not learned 136. Which type of weld is used to attach stiffeners to a plate?Not learned 137. Ultrasonic testing is used to determine the thickness of a vessel's shell plating and which other testing?Not learned 138. Upon completion of fueling a gasoline driven vessel it is necessary to perform which task?Not learned 139. When using a handheld smoke signal aboard a survival craft, how should you activate the signal?Not learned 140. Ventilation systems connected to a compartment in which a fire is burning are normally closed to prevent the rapid spread of the fire by which method?Not learned 141. The vertical motion of a floating vessel in which the entire hull is lifted by the force of the sea is known by which term?Not learned 142. If you wear extra clothing when entering the water after abandoning ship it will accomplish which of the following?Not learned 143. A moment is obtained by multiplying a force by its __________.Not learned 144. Why must the exhaust pipe be gas tight throughout its entire length on your vessel?Not learned 145. Why must a fire be ventilated?Not learned 146. You must medevac a critically injured seaman by helicopter hoist. Which statement is TRUE?Not learned 147. Which is the national distress, safety, and calling frequency channel?Not learned 148. Why is it necessary to secure the forced ventilation to a compartment where there is a fire?Not learned 149. Normally, which chemical is used to treat water in order to ensure its safety for drinking?Not learned 150. Why is it desirable to have screens on the vents of potable water tanks?Not learned 151. On an oceangoing vessel, for each person a lifeboat (without desalting kits) is certified to carry, what must the boat be supplied with?Not learned 152. If the OCMI has NOT granted an extension, how often are free-fall lifeboats required to be lowered into the water and launched with the assigned crew?Not learned 153. One gallon of high expansion foam solution will produce __________.Not learned 154. You are operating a fire hose with an applicator attached. If you put the handle of the nozzle in the vertical position you will __________.Not learned 155. In order to discharge a CO2 portable fire extinguisher, the operator must FIRST take which action?Not learned 156. The percentage of the total surface area or volume of a flooded compartment that can be occupied by water caused by damage defines which term?Not learned 157. What is the period of validity of a De-Rat certificate?Not learned 158. Portable foam fire-extinguishers are designed for use on which class of fires?Not learned 159. What power source actuates a solenoid valve?Not learned 160. You are preparing to take another vessel in tow. Which signal indicates, "Hawser is made fast"?Not learned 161. The primary method by which water spray puts out fires is by __________.Not learned 162. While proceeding to a distress site, you hear the words "Seelonce mayday" on the radiotelephone. Which action should you take?Not learned 163. You are in the process of righting an inflatable liferaft that has inflated in an upside down position. Which statement is TRUE?Not learned 164. Progressive flooding is controlled by securing watertight boundaries and which other action?Not learned 165. What is the purpose of the hydrostatic release on an inflatable liferaft?Not learned 166. What is the purpose of a striker plate?Not learned 167. The radiotelephone safety message urgently concerned with safety of a person would be prefixed by which word?Not learned 168. After receiving your distress call, the U.S.C.G. may ask you to switch to which SSB frequency?Not learned 169. The releasing lever of a lifeboat shall be red in color with a placard stating which of the following?Not learned 170. What is required in addition to the heat, fuel, and oxygen of the fire triangle to have a fire?Not learned 171. What is the required minimum length of the painter for a lifeboat in ocean service?Not learned 172. Routine radio communications should be no more than which duration?Not learned 173. A safe fuel system must __________.Not learned 174. You are at sea in an inflatable liferaft. In high latitudes, which presents the greatest danger?Not learned 175. Where should the sea painter of a lifeboat be secured?Not learned 176. You are at sea and have received a General Emergency message announcing the outbreak of war in Europe. You are directed to comply with the instructions in NGA (NIMA) PUB 117, Chapter Eight. Which statement is TRUE?Not learned 177. Which signal would be used by a shore rescue unit to indicate "Landing here highly dangerous"?Not learned 178. Small quantities of flammable liquids needed at a work site should be __________.Not learned 179. Which statement concerning immersion suits is TRUE?Not learned 180. Which statement(s) is(are) TRUE concerning the use of dry chemical extinguishers?Not learned 181. Which statement is TRUE concerning a fire in a machinery space?Not learned 182. Which statement is TRUE concerning fuel vapors on a vessel?Not learned 183. Which statement is TRUE concerning gasoline vapors on board a vessel?Not learned 184. Which statement is TRUE concerning lifeboat gripes?Not learned 185. Which statement is TRUE concerning a motor lifeboat?Not learned 186. Which statement about the Williamson turn is FALSE?Not learned 187. Which is TRUE of the steering oar in a lifeboat?Not learned 188. Which term defines the vertical structural members attached to the floors that add strength to the floors?Not learned 189. Which term represents the weight (measured in tons) required to cause a change in mean draft of one inch?Not learned 190. You are testing a tank that contained gasoline by using a combustible gas indicator. Under testing, the tank sample caused the needle to move rapidly to 100 on the dial then fall to zero. What is the concentration of flammable gas?Not learned 191. "Thermal protective aids" are required for what percentage of the persons a survival craft is equipped to carry?Not learned 192. What are the three most common basic types of diesel engine starters?Not learned 193. On a small boat, if someone fell overboard and you did not know over which side the person fell, which action should you take?Not learned 194. Which toxic gas is a product of incomplete combustion, and is often present when a fire burns in a closed compartment?Not learned 195. Which is TRUE of a combination or all-purpose nozzle?Not learned 196. Which is TRUE concerning the production of mechanical foam by a portable in-line foam proportioner?Not learned 197. You are trying to rescue survivors from a wrecked vessel on fire. How should you make your approach?Not learned 198. Which types of portable fire extinguishers are designed for use on electrical fires?Not learned 199. Which type of portable fire extinguisher is NOT designed for use on flammable liquid fires?Not learned 200. Which type of weld testing can be used to detect internal flaws?Not learned 201. If you are unable to stop a diesel engine by any other means, which action can you take?Not learned 202. While underway, if you are required to have a radiotelephone, you must maintain a continuous listening watch on which of the following channels?Not learned 203. The "Vessel Bridge-to-Bridge Radiotelephone Act" applies to which towboat?Not learned 204. Your vessel has been damaged and is partially flooded. The first step to be taken in attempting to save the vessel is to __________.Not learned 205. A vessel has been damaged and is taking on water. Where can you find the data that will indicate how much water the vessel can retain and still possess reserve buoyancy?Not learned 206. The vessel's Emergency Position Indicating Radio beacon (EPIRB) must be tested at which time interval?Not learned 207. Your vessel is equipped with totally enclosed lifeboats. Which statement is TRUE when the boat is enveloped in flames?Not learned 208. Your vessel has an injured crew member onboard that will require evacuation. Which of the following publications should you review for the procedures in conducting rescue/medivac helicopter operations?Not learned 209. Which VHF channel should you avoid using as a working channel?Not learned 210. How should you warm up a diesel engine that has not been run for some time?Not learned 211. You are wearing a breathing apparatus inside a tank. How many tugs on the lifeline should you give to indicate that you need help?Not learned 212. Which weld fault can only be detected by a method that examines the internal structure of a weld?Not learned 213. The welds used to join shell plates in flush construction are known as __________.Not learned 214. How would the exhaust of a properly operating diesel engine appear?Not learned 215. Yawing is angular motion of the vessel about what axis?Not learned 216. Gasoline tanks should be filled __________.Not learned 217. 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 218. After using a CO2 portable extinguisher, which action should be taken?Not learned 219. What is the main advantage of a steady stream of water on a class "A" fire?Not learned 220. Which is the principal danger from ice collecting on a vessel?Not learned 221. How should the letter "R" be pronounced when spoken on the radiotelephone?Not learned 222. Which is the primary method by which water spray puts out fires?Not learned