Q189 - Deck Safety, USCG prep certification 2026

Progress: 24% (23/94)

Learning progress ?

1. When is firefighting foam most effective?Not learned 2. Which is the MOST important consideration for a tank vessel?Not learned 3. Which signaling device(s) is/are required on inflatable liferafts?Not learned 4. Which of the listed classes of fire would most likely occur in the engine room of a vessel?Not learned 5. A magnesium fire is classified as class _________.Not learned 6. Which defines the "flammable limits" of an atmosphere?Not learned 7. When compared to low-expansion foam, a high-expansion foam will __________.Not learned 8. Which portable fire extinguisher should be used on a class C fire on board a vessel?Not learned 9. Recharging a previously used cartridge-operated dry chemical fire extinguisher is accomplished by __________.Not learned 10. To prevent the spread of fire by convection you should __________.Not learned 11. Fire dampers prevent the spread of fire by __________.Not learned 12. A fire of escaping liquefied flammable gas is best extinguished by which action?Not learned 13. The primary function of an automatic sprinkler system is to __________.Not learned 14. Your tankship has 40 gallons of 6% foam concentrate aboard. Approximately how much foam solution can be produced from this supply?Not learned 15. CO2 cylinders must be recharged when the weight of the charge in the cylinder is less than what percent of the stamped full weight of the charge?Not learned 16. Which statement describes the relationship between flash point and auto-ignition temperature?Not learned 17. Paints and solvents used aboard a vessel should be __________.Not learned 18. To prevent oily rags from spontaneously igniting they should be __________.Not learned 19. If you see an individual fall overboard, you should __________.Not learned 20. All personnel on board a vessel should be familiar with the rescue boat's __________.Not learned 21. How should the sea painter of a lifeboat be led?Not learned 22. If for any reason it is necessary to abandon ship while far at sea, it is important for the crew members to __________.Not learned 23. If help has not arrived in 10-12 hours after you abandon a remotely-located MODU in a survival craft, which of the following would be the best course of action?Not learned 24. Which statement concerning the sources of drinking water is FALSE?Not learned 25. When collecting condensation for drinking water, __________.Not learned 26. When abandoning ship, after launching the motor lifeboat which is the recommended action to take?Not learned 27. Which precaution should be taken when testing a line throwing gun?Not learned 28. Life jackets should be marked with which item?Not learned 29. What is the purpose of rigging frapping lines on lifeboat falls?Not learned 30. After the boat is at the top of the davit heads, the davit arms begin moving up the tracks and are stopped by the __________.Not learned 31. Inflatable liferafts are less maneuverable than lifeboats due to their __________.Not learned 32. Using a sea anchor when in a life raft will __________.Not learned 33. 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 34. If more than one liferaft is manned after the vessel has sunk, which action will aid in your rescue?Not learned 35. Which statement is TRUE concerning an inflatable liferaft?Not learned 36. The float free link attached to a sea painter on an inflatable liferaft has a breaking strength of __________.Not learned 37. What is the function of the hand holds or straps on the underside of an inflatable liferaft?Not learned 38. Who should inspect and test an inflatable liferaft?Not learned 39. The center of volume of the immersed portion of the hull is given which term?Not learned 40. The important initial stability parameter, GM, is which of the following?Not learned 41. With no environmental forces acting on the vessel, the center of gravity of an inclined vessel is vertically aligned with the __________.Not learned 42. At all angles of inclination, which is the true measure of a vessel's stability?Not learned 43. Which term defines the difference between the forward and aft drafts?Not learned 44. Which term is given to the difference between the starboard and port drafts caused by shifting a weight transversely in the vessel?Not learned 45. A partially full tank causes a virtual rise in the height of the __________.Not learned 46. When a wind force causes a floating MODU to heel to a static angle, the __________.Not learned 47. When should the control of flooding of your vessel be addressed?Not learned 48. Repairing damage to the hull at or above the waterline reduces which threat?Not learned 49. The order of importance in addressing damage control is __________.Not learned 50. Which term describes the strengthening of damaged bulkheads by using wood or steel?Not learned 51. In plugging submerged holes; why are rags, wedges, and other materials used in conjunction with plugs?Not learned 52. What is the objective of shoring a damaged bulkhead?Not learned 53. 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 54. One of your crew members falls overboard from the starboard side. You should IMMEDIATELY take which action?Not learned 55. The two courses of action if the underwater hull is severely damaged are to plug the openings or to take which action?Not learned 56. You abandoned ship in the North Atlantic and one of the crew members is hypothermic. During a SAR helicopter extraction which lifting device should be avoided when hoisting this patient to the aircraft?Not learned 57. After abandoning ship which action should be taken IMMEDIATELY upon entering a liferaft?Not learned 58. When abandoning ship and jumping into the water from a substantial height without a life jacket, you should __________.Not learned 59. An "ABC" dry chemical fire extinguisher would be LEAST effective against a fire in which situation?Not learned 60. Aboard a vessel, what does dividing the sum of the longitudinal moments by the total weight yield?Not learned 61. In the absence of external forces, the center of buoyancy of an inclined vessel is vertically aligned directly below the __________.Not learned 62. Which action will affect the trim of a vessel?Not learned 63. Which action would you take to get low-velocity fog from an all-purpose nozzle?Not learned 64. At an angle of loll, the capsizing moment is __________.Not learned 65. Angular motion about the vertical axis of a vessel refers to which term?Not learned 66. The angular movement of a vessel about a horizontal line drawn from its bow to its stern is known by which term?Not learned 67. You are approaching a disabled vessel in order to remove survivors from it. If your vessel drifts faster than the disabled vessel, how should you make your approach?Not learned 68. With an approved combination nozzle, low-velocity fog is produced by __________.Not learned 69. You are on the beach and want to signal to a small boat in distress that your present location is dangerous and that they should land to the left. How would you indicate this?Not learned 70. You board an inflatable liferaft that has been hand launched from a sinking vessel. What should you do FIRST after everyone is onboard the liferaft?Not learned 71. 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 72. If the cause of a sudden severe list is due to negative initial stability, counter-flooding into empty ballast tanks may __________.Not learned 73. Where is the center of buoyancy located on a vessel?Not learned 74. Channel 13 (156.65 MHz), the designated bridge-to-bridge channel, may NOT be used to __________.Not learned 75. Channel 13 is primarily used for ship-to-ship communication. Channel 13 is also authorized for which purpose?Not learned 76. When choosing extinguishers to fight a Class "B" fire do NOT use which type of extinguisher?Not learned 77. A class B fire is most successfully fought by which method?Not learned 78. A class C fire would be burning __________.Not learned 79. After clearing the vessel, what is one of the FIRST things you would do in an inflatable liferaft?Not learned 80. What is the color of the signal flare sent up by a submarine indicating that a torpedo has been fired in a training exercise?Not learned 81. A concentration of weight has been shifted inboard to the center line of the vessel. Generally speaking, what effect will this have on the vessel?Not learned 82. A crew member has just fallen overboard off your port side. Which action should you take?Not learned 83. What is the danger to personnel associated with using carbon dioxide in an enclosed space?Not learned 84. Deballasting a double bottom has what effect on KG?Not learned 85. Which defines the function of a spark arrestor?Not learned 86. Which describes the difference between the height of the metacenter and the height of the center of gravity of a vessel?Not learned 87. Due to the shape of the sea anchor, which is the best way to haul it back aboard?Not learned 88. What is the effect of spreading oil on the open sea?Not learned 89. When electrical equipment is involved in a fire, where should the stream of dry chemicals be directed?Not learned 90. You are evacuating crew members from a survival craft that has been adrift in the North Atlantic for several days. What could occur if a person suffering from hypothermia is vertically lifted in a rescue sling to the helicopter?Not learned 91. 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 92. There is a fire in the crew's quarters of your vessel. Which action should you take FIRST?Not learned 93. A fire hose has a __________.Not learned 94. A fire starts in a switchboard due to a short circuit. This is which class of fire?Not learned 95. A fire starts on your vessel while refueling. Which action should you take FIRST?Not learned 96. When should you first have any food or water after boarding a lifeboat or liferaft?Not learned 97. You are the first vessel to arrive at the scene of a distress. Due to the volume of traffic on the radio, you are unable to communicate with the vessel in distress. Which action should you take?Not learned 98. Which of the following aspects of a flooded space will most adversely affect transverse stability if it is subject to free communication?Not learned 99. Which formula can be used to calculate metacentric height?Not learned 100. The forward draft of your ship is 27'-11" and the after draft is 29'-03". The draft amidships is 28'-05". Which is TRUE of your vessel?Not learned 101. A fuel line breaks, sprays fuel on the hot exhaust manifold, and catches fire. What should be your FIRST action?Not learned 102. What is NOT a function of the steam drum of a marine water-tube boiler?Not learned 103. When the GMDSS Radio Operator on watch hears "SECURITE" spoken three times he can expect to receive a message concerning __________.Not learned 104. The greatest effect on stability occurs from loose liquids flowing __________.Not learned 105. When the handle of an all-purpose nozzle is pulled all the way back, it will __________.Not learned 106. You hear the general alarm and ship's whistle sound for over 10 seconds. What does this signal mean?Not learned 107. Heave is motion along which axis?Not learned 108. In heavy seas how should the helmsman steer the motor lifeboat?Not learned 109. When a helicopter is lifting personnel from an enclosed lifeboat, what should the other individuals in the boat do?Not learned 110. In illustration D016SA below, what number indicates the frapping line?Not learned 111. What is the most important characteristic of the extinguishing agent in fighting a class "C" fire?Not learned 112. What is the MOST important consideration when determining how to fight an electrical fire?Not learned 113. What is the most important thing to remember when launching an inflatable liferaft by hand?Not learned 114. Which indicates the volatility of a flammable liquid?Not learned 115. You are involved in an emergency landing of a helicopter on the water. You should inflate your life jacket __________.Not learned 116. Who issues a ship's radiotelephone station license?Not learned 117. 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 118. Large volumes of carbon dioxide are safe and effective for fighting fires in enclosed spaces, such as in a pumproom, provided that the __________.Not learned 119. When launching a lifeboat, how should the tricing pennants be released?Not learned 120. How should the letter "D" be pronounced when spoken on the radiotelephone?Not learned 121. 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 122. The lifeboats on your vessel are stowed on cradles on deck and are handled by sheath-screw boom davits. Which of the following statements about launching a boat is TRUE?Not learned 123. What does the lifesaving signal indicated by a horizontal motion of a white light or white flare mean?Not learned 124. What is the lifesaving signal indicating "You are seen - Assistance will be given as soon as possible"?Not learned 125. What is the lifesaving signal for "You are seen - Assistance will be given as soon as possible"?Not learned 126. How do the lights on the outside of the canopy on an inflatable liferaft operate?Not learned 127. Loading cargo above the vessel's center of gravity will increase the vessel's vertical center of gravity. How will this affect the vessel?Not learned 128. When lowering a boat with gravity davits, it will be initially pulled into the embarkation deck by which item?Not learned 129. When the mainline valve of a self-contained breathing apparatus is open, the bypass valve should be __________.Not learned 130. Which is a major advantage of the round turn maneuver in a man overboard situation?Not learned 131. What may the firing of a red star signal mean?Not learned 132. Which meets the requirement of an independent backup system on an electric start survival craft?Not learned 133. How are fusible link fire dampers operated?Not learned 134. Which item(s) is/are a 2,000 GT tankship required to carry?Not learned 135. What is the name given to the lines that are passed around the falls to hold the boat and prevent it from swinging violently?Not learned 136. Which is the normal tendency for a loaded tanker?Not learned 137. What can an oxygen indicator be used to determine?Not learned 138. You are picking up an unconscious person that has fallen overboard in a fresh breeze. For safety reasons how should a small craft approach?Not learned 139. Where a propeller shaft passes through the hull, which device prevents water from entering the hull?Not learned 140. What is the radiotelephone urgency signal?Not learned 141. When is it recommended that seawater be used for drinking?Not learned 142. When rendering assistance to personnel in the water a SAR helicopter utilizes a rescue sling for most extractions. In which case would the use of a litter be preferred?Not learned 143. During a SAR helicopter evacuation which of the following describes the proper donning of a rescue sling?Not learned 144. During a SAR helicopter evolution the rescue sling is the most widely used method of extraction. Which of the following describes the alternate Double Lift Method used to pick up incapacitated persons?Not learned 145. The single turn method of returning to a man overboard should be used ONLY if which condition exists?Not learned 146. A situation has occurred where it becomes necessary for you to be towed. What action should be taken to prevent your vessel from yawing?Not learned 147. You have taken another vessel in tow. Which is an indicator that the towing speed is too fast?Not learned 148. Which term defines the horizontal fore-and-aft movement of a vessel?Not learned 149. Which term defines the minimum concentration of a vapor in air which can form a mixture that ignites and burns?Not learned 150. Which term is given to the brickwork surrounding the firebox of a boiler?Not learned 151. Which term is used to describe the horizontal port or starboard movement of a vessel?Not learned 152. A thrust bearing is designed to accomplish which action?Not learned 153. Which is TRUE concerning drinking salt water?Not learned 154. Which is TRUE if passengers are on board when an abandon ship drill is carried out?Not learned 155. The two factors which make underwater hull repair of a MODU difficult are accessibility and the __________.Not learned 156. Upon hearing the abandon ship signal, you put on your life jacket and report to your station. After the cover is removed you board your open lifeboat. Which is the FIRST thing to do in the lifeboat?Not learned 157. When using a handheld smoke signal aboard a survival craft, how should you activate the signal?Not learned 158. 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 159. 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 forces gives which information?Not learned 160. When a vessel's LCG is aft of her LCB, how will the vessel respond?Not learned 161. Your vessel is listing because of a negative GM. To lower G below M, which action should you take?Not learned 162. Your vessel has a midships engine room and the cargo is concentrated in the end holds. Which is TRUE of your vessel?Not learned 163. When a vessel is stationary and in a hogging condition, the main deck is under which type of stress?Not learned 164. If you must enter water on which there is an oil fire, which is the best action to take?Not learned 165. When approaching a fire from leeward you should shield firefighters from the fire by using __________.Not learned 166. Which one of the following signals is made at night by a lifesaving station to indicate "Landing here highly dangerous"?Not learned 167. How do you operate a portable CO2 fire extinguisher?Not learned 168. Overhauling a fire in the living quarters on a vessel must include which action?Not learned 169. 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 170. You are the person in charge of a lifeboat when land is sighted. Due to a medical emergency, you have made the decision to beach the lifeboat through the surf. Which of the following is of greatest consideration in making this decision?Not learned 171. You are the person in charge of a lifeboat and have made the decision to beach your craft through a heavy surf. Which of the following is the recommended procedure for a boat under oars?Not learned 172. Portable foam fire-extinguishers are designed for use on which class of fires?Not learned 173. When possible, what is the FIRST step in fighting an engine fuel-pump fire which results from a broken fuel line?Not learned 174. You are preparing to take another vessel in tow. Which signal indicates, "Hawser is made fast"?Not learned 175. In the presence of external forces, the center of buoyancy of an inclined vessel is vertically aligned with which item?Not learned 176. You are in the process of righting an inflatable liferaft that has inflated in an upside down position. Which statement is TRUE?Not learned 177. What is the purpose of a striker plate?Not learned 178. For the purpose of training and drills, if reasonable and practicable, how frequently should rescue boats be launched with their assigned crew?Not learned 179. What does a pyrometer measure on a diesel engine?Not learned 180. The result of two forces acting in opposite directions and along parallel lines, is an example of what type of stress?Not learned 181. Where should the sea painter of a lifeboat be secured?Not learned 182. How is the sea painter secured in an open lifeboat?Not learned 183. 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 184. Which sequence is correct when launching a lifeboat stowed in gravity davits?Not learned 185. What shall be conducted during a fire and boat drill?Not learned 186. A ship's forward draft is 22'-04" and it’s after draft is 24'-00". The draft amidships is 23'-04". This indicates a concentration of weight is located at which of the following areas?Not learned 187. A ship station license for your radiotelephone is valid for which of the following terms?Not learned 188. Where do signs of racking stresses generally appear on the vessel?Not learned 189. What is the signal to guide vessels in distress, indicating, "This is the best place to land"?Not learned 190. What is the signal used with shore lifesaving equipment to indicate, "Affirmative"?Not learned 191. If the situation arose where it became necessary to tow a disabled vessel, which statement is TRUE concerning the towing line?Not learned 192. Small hull leaks can be temporarily repaired by __________.Not learned 193. When stability of a vessel is neutral, the value of GM __________.Not learned 194. Which statement concerning carbon dioxide is FALSE?Not learned 195. Which statement concerning immersion suits is TRUE?Not learned 196. Which statement about damage control is TRUE?Not learned 197. What statement about immersion suits is TRUE?Not learned 198. Which statement about immersion suits is TRUE?Not learned 199. Which statement is TRUE concerning carbon dioxide?Not learned 200. Which statement is TRUE concerning radiotelephones on board towing vessels?Not learned 201. The steering oar in a lifeboat is usually referred to as the __________.Not learned 202. You suspect that a crewmember has fallen overboard during the night and immediately execute a Williamson turn. What is the primary advantage of this maneuver under these circumstances?Not learned 203. 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 204. You are tending the lifeline of a person who has entered a compartment wearing a breathing apparatus. How many tugs of the lifeline mean "Are you all right"?Not learned 205. Tensile stress is a result of two forces acting in __________.Not learned 206. Which term describes the horizontal fore or aft motion of a vessel?Not learned 207. What time of day would an SSB radio have the longest transmitting range?Not learned 208. Topside icing that blocks freeing ports and scuppers _________.Not learned 209. 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 210. All towing vessels of 26 feet or longer while navigating are required to carry which item?Not learned 211. During a training exercise a submarine indicating that a torpedo has been fired will send up smoke from a float. What color will the smoke be?Not learned 212. Which is TRUE concerning the painter of an inflatable liferaft?Not learned 213. Which is TRUE concerning the production of mechanical foam by a portable in-line foam proportioner?Not learned 214. Which is TRUE of the term negative slip on a vessel?Not learned 215. Which types of portable fire extinguishers are designed for use on electrical fires?Not learned 216. Which type of portable fire extinguisher is NOT designed for use on flammable liquid fires?Not learned 217. 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 218. While underway in thick fog you are on watch and hear the cry "man overboard". Which type of maneuver should you make?Not learned 219. What can be used to measure the percentage of oxygen inside a chain locker?Not learned 220. What should be used to steer an open lifeboat if the rudder becomes lost or damaged?Not learned 221. Before using a fixed CO2 system to fight an engine room fire, you must __________.Not learned 222. You are using a racetrack turn to recover a man overboard. The vessel is first steadied when how many degrees away from the original heading?Not learned 223. The "Vessel Bridge-to-Bridge Radiotelephone Act" applies to which towboat?Not learned 224. Your vessel is conducting helicopter evacuation operations for an injured crew member. Which of the following statements is true concerning the hoisting line?Not learned 225. Your vessel is discharging containers from the main deck with the ship's cranes. Which of the following must be taken into account when calculating the center of gravity as the containers are discharged?Not learned 226. Your vessel has grounded on a bar. What should you do?Not learned 227. Which vessel(s) is(are) required to comply with the vessel bridge-to-bridge radiotelephone regulations while navigating?Not learned 228. Your vessel is at a large angle of heel. What is the value of the righting arm at the angle of loll?Not learned 229. If your vessel will list with equal readiness to either side, the list is most likely caused by which condition?Not learned 230. If a vessel is sagging, what kind of stress is placed on the sheer strake?Not learned 231. The vessel shown in illustration D025DG has broken down and you are going to take her in tow. The wind is on her starboard beam. Both vessels are making the same amount of leeway. Where should you position your vessel when you start running lines?Not learned 232. A vessel with a small GM will __________.Not learned 233. When water is used to fight a fire on board a ship, the effect of the weight of the water must be taken into account. How much sea water will increase the weight displacement by one ton?Not learned 234. What would be used to call all stations in your vicinity by radiotelephone?Not learned 235. Yawing is angular motion of the vessel about what axis?Not learned 236. The lever shown in illustration D013SA below is operated when a lifeboat is in which of the following positions?Not learned 237. A floating vessel will behave as if all of its weight is acting downward through which point?Not learned 238. A wooden plug fitted tightly in the vent of a damaged tank may prevent which situation?Not learned 239. Fire alarm system thermostats are actuated by which means?Not learned 240. Your vessel has 3 lifeboats on each side. What is the designation number for the middle boat on the starboard side?Not learned 241. Which is an advantage of an ABC dry chemical over a carbon dioxide extinguisher?Not learned 242. If the cause of a sudden severe list or trim is negative initial stability, counter-flooding into empty tanks located high on the vessel, may cause which of the following?Not learned 243. How should the letter "W" be pronounced when spoken on the radiotelephone?Not learned 244. The vessel shown in illustration D025DG has broken down and you are going to take her in tow. The wind is on her starboard beam. She is making more leeway than you. Where should you position your vessel when you start running lines?Not learned 245. The cook has reported a fire in the deep fat fryer. What class of fire would this be?Not learned 246. The vessel shown in illustration D025DG has broken down and you are going to take her in tow. The wind is coming from her starboard beam. You are making more leeway than she. Where should you position your vessel when you start running lines?Not learned 247. Your cargo vessel is transiting pirate waters with a temporary security team onboard. The ship has been attacked and starts sinking. The decision has been made to abandon ship. During the muster, the security force leader is determined to be missing. What initial action should be taken?Not learned