Q181 - Deck 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. How does good housekeeping prevent fires on a vessel?Not learned 3. When supplemented by a comparable signal on the general alarm, what is the signal for boat stations or boat drill?Not learned 4. What is the signal given to commence lowering the lifeboats?Not learned 5. A magnesium fire is classified as class _________.Not learned 6. Which defines the "flammable limits" of an atmosphere?Not learned 7. Which portable fire extinguisher should be used on a class C fire on board a vessel?Not learned 8. Recharging a previously used cartridge-operated dry chemical fire extinguisher is accomplished by __________.Not learned 9. To prevent the spread of fire by convection you should __________.Not learned 10. Fire dampers prevent the spread of fire by __________.Not learned 11. Convection spreads a fire by __________.Not learned 12. The primary function of an automatic sprinkler system is to __________.Not learned 13. Your tankship has 40 gallons of 6% foam concentrate aboard. Approximately how much foam solution can be produced from this supply?Not learned 14. 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 15. Which statement is TRUE concerning the "flash point" of a substance?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. A man who is conscious has fallen overboard is being picked up by a lifeboat. In a mild breeze how should the boat approach the person in the water?Not learned 23. If for any reason it is necessary to abandon ship while far at sea, it is important for the crew members to __________.Not learned 24. If you have to jump in the water when abandoning ship, your legs should be in which position?Not learned 25. Which statement concerning the sources of drinking water is FALSE?Not learned 26. When collecting condensation for drinking water, __________.Not learned 27. When abandoning ship, after launching the motor lifeboat which is the recommended action to take?Not learned 28. You are testing the external inflation bladder on an immersion suit and find it has a very slow leak. Which is the BEST action to be taken?Not learned 29. Which is TRUE concerning immersion suits and their use?Not learned 30. Which statement is TRUE concerning life preservers?Not learned 31. If you are forced to abandon ship in a rescue boat, which action should you take?Not learned 32. What is the purpose of rigging frapping lines on lifeboat falls?Not learned 33. When a rescue vessel approaches a survival craft in heavy seas, the person in charge of the survival craft should __________.Not learned 34. Inflatable liferafts are provided with which item?Not learned 35. Which operation should be done when launching an inflatable liferaft by hand?Not learned 36. What is the correct procedure to follow when manually launching an inflatable liferaft?Not learned 37. 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 38. If more than one liferaft is manned after the vessel has sunk, which action will aid in your rescue?Not learned 39. What does the air spaces in the floor of an inflatable liferaft provide protection against?Not learned 40. Which statement is TRUE concerning an inflatable liferaft?Not learned 41. An "on-load" release system on a survival craft means the cable can be released __________.Not learned 42. How is the "off-load" release system on a survival craft designed to be activated?Not learned 43. With the sprinkler system and air system on, and all hatches shut, the survival craft will be protected from __________.Not learned 44. The center of volume of the immersed portion of the hull is given which term?Not learned 45. When the height of the metacenter is greater than the height of the center of gravity, the upright equilibrium position is stable and stability is __________.Not learned 46. At all angles of inclination, which is the true measure of a vessel's stability?Not learned 47. Which term defines the difference between the forward and aft drafts?Not learned 48. When a wind force causes a floating MODU to heel to a static angle, the __________.Not learned 49. When should the control of flooding of your vessel be addressed?Not learned 50. Which term describes the strengthening of damaged bulkheads by using wood or steel?Not learned 51. What is the objective of shoring a damaged bulkhead?Not learned 52. What must be accurately determined to assess the potential for progressive flooding after a vessel has been damaged?Not learned 53. Which is TRUE concerning the vapor pressure of a substance?Not learned 54. The overspeeding of the diesel engine driving an electric generator could cause __________.Not learned 55. 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 56. When patching holes in the hull, how can pillows, bedding, and other soft materials be used?Not learned 57. The two courses of action if the underwater hull is severely damaged are to plug the openings or to take which action?Not learned 58. You are on a 165 foot (50.3 meters) long vessel with a draft of 9 feet (2.7 meters) and twin screws. Which statement about rescuing a survivor in the water with ship pickup is TRUE?Not learned 59. You have abandoned ship and find yourself aboard a lifeboat in a heavy sea. Your boat is able to make way through the water. Which action should you take to prevent broaching?Not learned 60. 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 61. An "ABC" dry chemical fire extinguisher would be LEAST effective against a fire in __________.Not learned 62. Aboard a vessel, what does dividing the sum of the longitudinal moments by the total weight yield?Not learned 63. In the absence of external forces, the center of buoyancy of an inclined vessel is vertically aligned directly below the __________.Not learned 64. According to the regulations for lifeboat falls, which action must be taken at 30-month intervals?Not learned 65. According to the SOLAS regulations, lifeboat falls must be renewed at intervals of how many years?Not learned 66. Which action will affect the trim of a vessel?Not learned 67. Angular motion about the longitudinal axis of a vessel is known by which term?Not learned 68. The angular movement of a vessel about a horizontal line drawn from its bow to its stern is known by which term?Not learned 69. 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 70. With an approved combination nozzle, low-velocity fog is produced by __________.Not learned 71. You are attempting to take a dead ship in tow. All lines have been passed and secured. How should you get underway?Not learned 72. In battery charging rooms, where should the exhaust ventilation be provided?Not learned 73. 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 74. What is the best indication of the loading of a diesel engine?Not learned 75. What is the best procedure for picking up a lifeboat at sea while utilizing the lifeboat's sea painter?Not learned 76. Blocks and falls used as lifeboat gear must be designed with which minimum safety factor?Not learned 77. 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 78. A burning pile of canvas is which classification of fire?Not learned 79. What is the calling and distress frequency on a single side band (SSB) marine radiotelephone?Not learned 80. During cargo operations, your vessel develops a list due to the center of gravity rising above the transverse metacenter. Which is the most prudent action to correct the list?Not learned 81. Which causes spontaneous combustion?Not learned 82. If the cause of a sudden severe list is due to negative initial stability, counter-flooding into empty ballast tanks may __________.Not learned 83. How may the change in trim of a vessel be found?Not learned 84. Channel 13 is primarily used for ship-to-ship communication. Channel 13 is also authorized for which purpose?Not learned 85. A class B fire is most successfully fought by which method?Not learned 86. After clearing the vessel, what is one of the FIRST things you would do in an inflatable liferaft?Not learned 87. 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 88. When should you be most concerned about a possible explosion or fire in fuel tanks?Not learned 89. A crew member has just fallen overboard off your port side. Which action should you take?Not learned 90. What is the danger to personnel associated with using carbon dioxide in an enclosed space?Not learned 91. By day, what is the signal meaning, "This is the best place to land"?Not learned 92. Deballasting a double bottom has what effect on KG?Not learned 93. Which defines the function of a spark arrestor?Not learned 94. Why are diesel engines considered safer than gasoline engines?Not learned 95. Which describes the difference between the height of the metacenter and the height of the center of gravity of a vessel?Not learned 96. Which is the most effective cooling agent among those normally used to fight fires?Not learned 97. When electrical equipment is involved in a fire, where should the stream of dry chemicals be directed?Not learned 98. After an engine is started which is the best action(s) to take?Not learned 99. 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 100. How is the external flotation bladder of an immersion suit inflated?Not learned 101. What factor is essential to the proper operation of a radiator cooled engine?Not learned 102. 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 103. When fighting a fire in an enclosed space, why should the hose team crouch as low as possible?Not learned 104. There is a fire in the crew's quarters of your vessel. Which action should you take FIRST?Not learned 105. Fire in an engine compartment is best extinguished with carbon dioxide gas (CO2) and by which action?Not learned 106. A fire hose with a nozzle attached must be connected to each hydrant except when exposed to heavy weather or when the __________.Not learned 107. When should you first have any food or water after boarding a lifeboat or liferaft?Not learned 108. Which are the flammable limits of methyl ethyl ketone?Not learned 109. Which of the following aspects of a flooded space will most adversely affect transverse stability if it is subject to free communication?Not learned 110. Which of the following defines "Rolling Period"?Not learned 111. Which of the following describes the function of a sea anchor when utilized as a tool for beaching a lifeboat through surf?Not learned 112. Once the liferaft has cleared the vessel, which of the following steps should normally be taken first by those who have boarded a liferaft in an emergency situation?Not learned 113. 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 114. A fuel line breaks, sprays fuel on the hot exhaust manifold, and catches fire. What should be your FIRST action?Not learned 115. What is NOT a function of the steam drum of a marine water-tube boiler?Not learned 116. In general, how often are sanitary inspections of passenger and crew quarters made aboard passenger vessels in river service?Not learned 117. When the GMDSS Radio Operator on watch hears "SECURITE" spoken three times he can expect to receive a message concerning __________.Not learned 118. The greatest effect on stability occurs from loose liquids flowing __________.Not learned 119. When the handle of an all-purpose nozzle is pulled all the way back, it will __________.Not learned 120. You hear the general alarm and ship's whistle sound for over 10 seconds. What does this signal mean?Not learned 121. 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 122. Heave is motion along which axis?Not learned 123. If heavy smoke is coming from the paint locker, what should be the FIRST firefighting response?Not learned 124. When a helicopter is lifting personnel from an enclosed lifeboat, what should the other individuals in the boat do?Not learned 125. In the illustration, the line indicated by number 4 is connected to which of the followingNot learned 126. What is the MOST important consideration when determining how to fight an electrical fire?Not learned 127. What is the most important thing to remember when launching an inflatable liferaft by hand?Not learned 128. Which indicates the volatility of a flammable liquid?Not learned 129. If an inflatable liferaft inflates upside down, you can right it by taking which action?Not learned 130. You are involved in an emergency landing of a helicopter on the water. You should inflate your life jacket __________.Not learned 131. Which item of the listed survival craft equipment would be the most suitable for night signaling to a ship on the horizon?Not learned 132. You are landing an oar propelled lifeboat through heavy surf with a strong current running parallel to the beach (from right to left when facing from seaward). Which is the recommended procedure to follow?Not learned 133. 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 134. How should the letter "D" be pronounced when spoken on the radiotelephone?Not learned 135. Lifesaving regulations in Subchapter W require that a fire drill include which of the following?Not learned 136. What does the lifesaving signal indicated by a horizontal motion of a white light or white flare mean?Not learned 137. 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 138. To lubricate the swivel or remove corrosion from a fire hose coupling, which should be used?Not learned 139. Which is a major advantage of the round turn maneuver in a man overboard situation?Not learned 140. Which is the major disadvantage of a low-speed diesel as compared to a steam main-propulsion system?Not learned 141. Which is TRUE when making a Scharnow turn?Not learned 142. According to the Lifesaving regulations in Subchapter W, fire and abandon ship drills must be held within 24 hours of leaving port if the percentage of the crew that has not participated in drills aboard that particular vessel in the prior month exceeds which percentage?Not learned 143. Which item(s) is/are a 2,000 GT tankship required to carry?Not learned 144. 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 145. 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 146. Which officer is responsible for the sanitary condition of the engineering department?Not learned 147. What can an oxygen indicator be used to determine?Not learned 148. You are picking up a conscious person that has fallen overboard in one of the vessels motor boats. Recovery is easier in a light breeze if you approach from which direction?Not learned 149. 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 150. What is the purpose of a water spray system on a covered lifeboat?Not learned 151. When is it recommended that seawater be used for drinking?Not learned 152. You are releasing carbon dioxide gas (CO2) into an engine compartment to extinguish a fire. In which situation will the CO2 be most effective?Not learned 153. 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 154. In rough weather, when a ship is able to maneuver, which is TRUE when launching a lifeboat?Not learned 155. You have sent a visual signal to an aircraft. The aircraft then flies over your position on a straight course and level altitude. What should you do?Not learned 156. The single turn method of returning to a man overboard should be used ONLY if which condition exists?Not learned 157. 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 158. Which statement about immersion suits is TRUE?Not learned 159. Which statement is TRUE concerning distress signals in a lifeboat?Not learned 160. You have taken another vessel in tow. Which is an indicator that the towing speed is too fast?Not learned 161. On a tankship, who is responsible for the sanitary inspections of the crew's quarters?Not learned 162. Which term defines the horizontal fore-and-aft movement of a vessel?Not learned 163. Which term defines the minimum concentration of a vapor in air which can form a mixture that ignites and burns?Not learned 164. Which term is given to the brickwork surrounding the firebox of a boiler?Not learned 165. Which term is used to describe the horizontal port or starboard movement of a vessel?Not learned 166. Which is TRUE concerning drinking salt water?Not learned 167. Which is TRUE if passengers are on board when an abandon ship drill is carried out?Not learned 168. The two factors which make underwater hull repair of a MODU difficult are accessibility and the __________.Not learned 169. 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 170. 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 171. If you must enter water on which there is an oil fire, which is the best action to take?Not learned 172. Why is it necessary to secure the forced ventilation to a compartment where there is a fire?Not learned 173. When approaching a fire from leeward you should shield firefighters from the fire by using __________.Not learned 174. Normally, which chemical is used to treat water in order to ensure its safety for drinking?Not learned 175. Why is it desirable to have screens on the vents of potable water tanks?Not learned 176. Oily rags stored in a pile that is open to the atmosphere are a hazard because they may __________.Not learned 177. What is one effect of running a diesel engine at too cool a temperature?Not learned 178. Which one of the following signals is made at night by a lifesaving station to indicate "Landing here highly dangerous"?Not learned 179. Overhauling a fire in the living quarters on a vessel must include __________.Not learned 180. Overspeed of the diesel engine driving an electric generator could cause which situation to occur?Not learned 181. 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 182. You are preparing to take another vessel in tow. Which signal indicates, "Hawser is made fast"?Not learned 183. In the presence of external forces, the center of buoyancy of an inclined vessel is vertically aligned with which item?Not learned 184. What is the purpose of a striker plate?Not learned 185. For the purpose of training and drills, if reasonable and practicable, how frequently should rescue boats be launched with their assigned crew?Not learned 186. What does a pyrometer measure on a diesel engine?Not learned 187. What quality of a diesel fuel is most significant for efficient combustion?Not learned 188. What represents poor sanitary procedures?Not learned 189. 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 190. The self-contained breathing device should not be used in which situation?Not learned 191. What shall be conducted during a fire and boat drill?Not learned 192. 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 193. A ship station license for your radiotelephone is valid for which of the following terms?Not learned 194. What is the signal to guide vessels in distress, indicating, "This is the best place to land"?Not learned 195. What is the signal used with shore lifesaving equipment to indicate, "Affirmative"?Not learned 196. If the situation arose where it became necessary to tow a disabled vessel, which statement is TRUE concerning the towing line?Not learned 197. Small hull leaks can be temporarily repaired by __________.Not learned 198. Which statement about damage control 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. Which statement about the Williamson turn is FALSE?Not learned 202. Sudden unloading of a diesel engine can cause which to occur?Not learned 203. 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 204. Which technique could be used to give a more comfortable roll to a stiff vessel?Not learned 205. Which term describes the horizontal fore or aft motion of a vessel?Not learned 206. What time of day would an SSB radio have the longest transmitting range?Not learned 207. The tops of the thwarts, side benches, and the footings of a lifeboat are painted which color?Not learned 208. Topside icing that blocks freeing ports and scuppers _________.Not learned 209. 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 210. The "trimming arm" of a vessel is the horizontal distance between which two points?Not learned 211. Which is TRUE concerning the production of mechanical foam by a portable in-line foam proportioner?Not learned 212. Which is TRUE of the term negative slip on a vessel?Not learned 213. Which type of davit is not considered to be a mechanical davit?Not learned 214. Which type of davit requires you to turn a crank in order to swing the lifeboat out over the ship's side?Not learned 215. Which types of portable fire extinguishers are designed for use on electrical fires?Not learned 216. 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 217. While underway in thick fog you are on watch and hear the cry "man overboard". Which type of maneuver should you make?Not learned 218. What can be used to measure the percentage of oxygen inside a chain locker?Not learned 219. Before using a fixed CO2 system to fight an engine room fire, you must __________.Not learned 220. 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 221. 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 222. 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 223. Your vessel has been damaged and is taking on water, but you do not require immediate assistance. How would you preface a message advising other vessels of your situation?Not learned 224. 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 225. Your vessel is equipped with totally enclosed lifeboats. Which statement is TRUE when the boat is enveloped in flames?Not learned 226. Your vessel has run aground in waters where the tide is falling. Which of the following is the best action you can take?Not learned 227. A vessel that does not possess any reserve buoyancy will sink. Which of the following is considered a direct measure of reserve buoyancy?Not learned 228. 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 229. A vessel with a small GM will __________.Not learned 230. Your vessel has been taking on water but now the breached hole has been repaired. Which effects can the flooding have on your vessel's GM?Not learned 231. Which VHF channel should you avoid using as a working channel?Not learned 232. In a water-tube marine type boiler, after the steam leaves the generating tubes, in what part of the boiler is temperature of the steam increased?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. How would the exhaust of a properly operating diesel engine appear?Not learned 235. Yawing is angular motion of the vessel about what axis?Not learned 236. A yellow signal, floating in the air from a parachute, about 300 feet above the water, indicates what about a submarine?Not learned 237. A floating vessel will behave as if all of its weight is acting downward through which point?Not learned 238. Fire alarm system thermostats are actuated by which means?Not learned 239. An aluminum powder fire is in which fire classification category?Not learned 240. Which is an advantage of an ABC dry chemical over a carbon dioxide extinguisher?Not learned 241. Your stability calculations indicate your vessel has a marginal GM. Which of the following is the most effective way to increase the stability of the vessel?Not learned 242. 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 243. 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