Q411 - 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. Which signaling device(s) is/are required on inflatable liferafts?Not learned 4. A fire in a pile of dunnage would be classified as a __________.Not learned 5. Fires are grouped into what categories?Not learned 6. Which of the listed classes of fire would most likely occur in the engine room of a vessel?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. How can the spread of fire be prevented?Not learned 10. Convection spreads a fire by __________.Not learned 11. Radiation can cause a fire to spread by __________.Not learned 12. When approaching a fire from windward, you should shield firefighters from the fire by using an applicator and __________.Not learned 13. No outlet on a fire hydrant may point above the horizontal in order 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. The carbon dioxide cylinders of a fixed fire extinguishing system may be located inside the protected space, if the quantity of CO2 required to protect that space is not more than which amount?Not learned 16. The volatility of a flammable liquid is indicated by its __________.Not learned 17. Which statement is TRUE concerning the "flash point" of a substance?Not learned 18. Which statement describes the relationship between flash point and auto-ignition temperature?Not learned 19. The explosive range of petroleum vapors when mixed with air is __________.Not learned 20. Paints and solvents used aboard a vessel should be __________.Not learned 21. To prevent oily rags from spontaneously igniting they should be __________.Not learned 22. The primary danger in helicopter fires on a MODU is __________.Not learned 23. Combustible gas indicators measure the presence of combustible gas as a percentage of the __________.Not learned 24. A person who observes an individual fall overboard should do which of the following?Not learned 25. All personnel on board a vessel should be familiar with the rescue boat's __________.Not learned 26. If you must jump from a vessel, what does the correct posture include?Not learned 27. Which statement concerning the sources of drinking water is FALSE?Not learned 28. When collecting condensation for drinking water, __________.Not learned 29. Provided every effort is used to produce, as well as preserve body moisture content by avoiding perspiration, how long is it normally possible to survive without stored quantities of water?Not learned 30. An immersion suit should be equipped with a/an __________.Not learned 31. Which statement concerning immersion suits is TRUE?Not learned 32. Which is TRUE concerning immersion suits and their use?Not learned 33. In accordance with 46 CFR, life jackets should be stowed in __________.Not learned 34. Which statement is TRUE concerning life preservers?Not learned 35. Which precaution should be taken when testing a line throwing gun?Not learned 36. Life jackets should be marked with which item?Not learned 37. A liferaft which has inflated bottom-up on the water __________.Not learned 38. The jackknife stored on an inflatable liferaft will always be located __________.Not learned 39. Inflatable liferafts are provided with which item?Not learned 40. An inflatable liferaft is hand-launched by __________.Not learned 41. After abandoning ship, why should you deploy the sea anchor from a liferaft?Not learned 42. Using a sea anchor when in a life raft will __________.Not learned 43. 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 44. If more than one liferaft is manned after the vessel has sunk, which action will aid in your rescue?Not learned 45. How is the inside light in an inflatable liferaft activated?Not learned 46. Which statement is TRUE concerning an inflatable liferaft?Not learned 47. Who should inspect and test an inflatable liferaft?Not learned 48. When transferring survivors from an enclosed lifeboat to a rescue vessel, personnel on board the boat should take which action?Not learned 49. An emergency sea anchor may be constructed by using which item(s)?Not learned 50. The center of volume of the immersed portion of the hull is given which term?Not learned 51. Which term is used for the horizontal distance between the vertical lines of action of gravity and the buoyant forces?Not learned 52. Pitching is angular motion of the vessel about what axis?Not learned 53. Which term defines the difference between the forward and aft drafts?Not learned 54. When the height of the metacenter has the same value as the height of the center of gravity, the metacentric height is equal to __________.Not learned 55. When should the control of flooding of your vessel be addressed?Not learned 56. If a MODU takes a sudden severe list or trim from an unknown cause, you should FIRST __________.Not learned 57. Repairing damage to the hull at or above the waterline reduces which threat?Not learned 58. Which term describes the strengthening of damaged bulkheads by using wood or steel?Not learned 59. In plugging submerged holes; why are rags, wedges, and other materials used in conjunction with plugs?Not learned 60. What is the objective of shoring a damaged bulkhead?Not learned 61. What must be accurately determined to assess the potential for progressive flooding after a vessel has been damaged?Not learned 62. The overspeeding of the diesel engine driving an electric generator could cause __________.Not learned 63. What is the difference between net tonnage and gross tonnage?Not learned 64. 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 65. One of your crew members falls overboard from the starboard side. You should IMMEDIATELY take which action?Not learned 66. The two courses of action if the underwater hull is severely damaged are to plug the openings or to take which action?Not learned 67. The wooden plug inserted in the vent of a damaged tank should be removed if you are going to __________.Not learned 68. 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 69. You have abandoned ship in tropical waters. Which procedure(s) should be used during a prolonged period in a raft?Not learned 70. Aboard ship, which term is given to the vertical flat plates running transversely and connecting the vertical keel to the margin plates?Not learned 71. Which action will affect the trim of a vessel?Not learned 72. What is NOT an advantage of double bottom ships?Not learned 73. What is an advantage of a steam turbine over a diesel for the main propulsion?Not learned 74. An aircraft has indicated that he wants you to change course and follow him. You cannot comply because of an emergency on board. Which signal should you make?Not learned 75. Ambient air, which you normally breathe, contains what percent of oxygen?Not learned 76. The amount of freeboard which a ship possesses has a tremendous effect on which item?Not learned 77. Angular motion about the longitudinal axis of a vessel is known by which term?Not learned 78. Angular motion about the vertical axis of a vessel refers to which term?Not learned 79. The angular movement of a vessel about a horizontal line drawn from its bow to its stern is known by which term?Not learned 80. What is another name for the garboard strake?Not learned 81. What does the term "beam of a vessel" refer to?Not learned 82. What does blowing tubes accomplish?Not learned 83. 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 84. The body plan of a vessel is a(n) __________.Not learned 85. Why are most break bulk vessels built with the transverse framing system rather than the longitudinal system?Not learned 86. On a bulk chemical carrier, water should NOT be used as an extinguishing agent to fight a fire if the water may come into contact with which chemical?Not learned 87. Which is TRUE concerning a chock?Not learned 88. A class C fire would be burning __________.Not learned 89. What color signal flare is sent up by a submarine to indicate an emergency?Not learned 90. 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 91. You have completed stability calculations for your vessel prior to getting underway. Your vessel's GM is small but positive. Which of the following is true?Not learned 92. 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 93. The deck beam brackets of a transversely framed vessel resist which stresses?Not learned 94. Why are deck beams cambered on a vessel?Not learned 95. A deck-stowed 40-foot container is giving off smoke, and one end is discolored from heat. The cargo is valuable and easily damaged by water. You want to extinguish the fire without further damage if possible. What action should you take?Not learned 96. Which defines the function of a spark arrestor?Not learned 97. Which describes how to determine a vessel's LCG?Not learned 98. The most detrimental effect on initial stability is a result of liquids __________.Not learned 99. How are all diesel engines classified?Not learned 100. Why are diesel engines considered safer than gasoline engines?Not learned 101. Dry chemical extinguishers extinguish class B fires to the greatest extent by which method?Not learned 102. When electrical equipment is involved in a fire, where should the stream of dry chemicals be directed?Not learned 103. If an engine shuts down due to high jacket water temperature, what action should be taken?Not learned 104. Before entering the chain locker, you should __________.Not learned 105. Once you have established the daily ration of drinking water in a survival situation, how should you drink it?Not learned 106. 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 107. How is the external flotation bladder of an immersion suit inflated?Not learned 108. When should the external inflation bladder on an immersion suit be inflated?Not learned 109. Which extinguishing agent is/are suitable to combat a class B fire in an engine compartment?Not learned 110. What factor is essential to the proper operation of a radiator cooled engine?Not learned 111. You are fighting a class "B" fire with a portable dry chemical extinguisher. The discharge should be directed __________.Not learned 112. 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 113. When fighting a fire in an enclosed space, why should the hose team crouch as low as possible?Not learned 114. A fire in the galley ALWAYS poses which additional threat?Not learned 115. A fire starts in a switchboard due to a short circuit. This is which class of fire?Not learned 116. A fire starts on your vessel while refueling. Which action should you take FIRST?Not learned 117. Fixed CO2 systems would not be used on crew's quarters or at which other location?Not learned 118. When flammable liquids are handled in a compartment on a vessel, the ventilation for that area should be __________.Not learned 119. How does foam extinguish an oil fire?Not learned 120. Which of the following aspects of a flooded space will most adversely affect transverse stability if it is subject to free communication?Not learned 121. Which of the following best defines the term "chock"?Not learned 122. Which of the following penalties can be imposed for a violation of the "Vessel Bridge-to-Bridge Radiotelephone Act"?Not learned 123. Which formula can be used to calculate metacentric height?Not learned 124. Four-cycle diesel engines obtain combustion air through turbo chargers, blowers, or which other means?Not learned 125. Freeboard is measured from the upper edge of the __________.Not learned 126. What is NOT a function of the steam drum of a marine water-tube boiler?Not learned 127. In general, how often are sanitary inspections of passenger and crew quarters made aboard passenger vessels in river service?Not learned 128. Which are general requirements for a vessel's radiotelephone station log?Not learned 129. Why can the vessel's GM not be used as an indicator of stability at all angles of inclination?Not learned 130. When the GMDSS Radio Operator on watch hears "SECURITE" spoken three times he can expect to receive a message concerning __________.Not learned 131. The greatest effect on stability occurs from loose liquids flowing __________.Not learned 132. What does the gross tonnage of a vessel indicate?Not learned 133. The gross weight of a fully charged CO2 bottle in a fixed CO2 system is 220 lbs. When the bottle is empty it weighs 120 lbs. What is the minimum acceptable gross weight of the CO2 bottle before it should be recharged by the manufacturer?Not learned 134. You have hand launched an inflatable liferaft. What should be one of your FIRST actions after all persons have boarded the liferaft?Not learned 135. What happens when the handle of an all-purpose nozzle is pushed into the forward position?Not learned 136. When the handle of an all-purpose nozzle is pulled all the way back, it will __________.Not learned 137. Heave is motion along which axis?Not learned 138. If heavy smoke is coming from the paint locker, what should be the FIRST firefighting response?Not learned 139. Horizontal transverse motion of a vessel is known by which term?Not learned 140. If ignited, which material would be a class B fire?Not learned 141. In illustration D001SA below, what represents the center of gravity?Not learned 142. In illustration D014SA below, which item number correctly identifies the ballast bags?Not learned 143. In illustration D014SA below, which item number correctly identifies the floating sheath knife?Not learned 144. An immersion suit must be equipped with which item(s)?Not learned 145. An important step in fighting any electrical fire is to take which action?Not learned 146. Which will improve stability?Not learned 147. Which indicates the volatility of a flammable liquid?Not learned 148. If an inflatable liferaft inflates upside down, you can right it by taking which action?Not learned 149. Inflatable liferafts are provided with a __________.Not learned 150. Inflatable liferafts are provided with which item?Not learned 151. The "inner bottom" is the __________.Not learned 152. Which instrument is suitable for determining the presence of explosive concentrations of fuel oil vapors in tanks?Not learned 153. Who issues a ship's radiotelephone station license?Not learned 154. Which item of the listed survival craft equipment would be the most suitable for night signaling to a ship on the horizon?Not learned 155. 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 156. A large fire, involving class "A" material, has developed in the ship's galley. In combating this fire, which action should you take?Not learned 157. How should the letter "D" be pronounced when spoken on the radiotelephone?Not learned 158. Lifesaving regulations in Subchapter W require that a fire drill include which of the following?Not learned 159. What does the lifesaving signal indicated by a horizontal motion of a white light or white flare mean?Not learned 160. What is the lifesaving signal for "You are seen - Assistance will be given as soon as possible"?Not learned 161. How do the lights on the outside of the canopy on an inflatable liferaft operate?Not learned 162. Line throwing equipment should NOT be operated __________.Not learned 163. 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 164. When should the lubricating oil be changed on a heavy-duty diesel engine?Not learned 165. Which is the major disadvantage of a low-speed diesel as compared to a steam main-propulsion system?Not learned 166. All marine low-speed diesels are of what design?Not learned 167. What may the firing of a red star signal mean?Not learned 168. What is the minimum number of people required to safely handle a 1-1/2-inch fire hose?Not learned 169. You have abandoned ship in rough weather. After picking up other survivors in your liferaft, what should you do next?Not learned 170. 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 171. Which extinguishing agent is most effective on a mattress fire?Not learned 172. How are fusible link fire dampers operated?Not learned 173. When launching an inflatable liferaft, which is TRUE concerning the operating cord?Not learned 174. What is the lifesaving signal used to indicate, "Landing here is highly dangerous"?Not learned 175. 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 176. What name is given to the perforated, elevated bottom of the chain locker, which prevents the chains from touching the main locker bottom and allows seepage water to flow to the drains?Not learned 177. Normally, potable water systems are connected directly to the __________.Not learned 178. How often are CO2 cylinders forming part of a fixed fire extinguishing system required to be pressure tested?Not learned 179. Where are panting frames located in the vessel?Not learned 180. What is the penalty for failure to enforce, or comply with, the vessel bridge-to-bridge radiotelephone regulations?Not learned 181. 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 182. The pillar shape that gives the greatest strength for the least weight is the __________.Not learned 183. If a powdered aluminum fire is being fought, which is the most effective extinguishing agent to use?Not learned 184. What is the preferred agent used in fighting a helicopter crash fire?Not learned 185. Which is the primary element to successfully rescuing a man overboard?Not learned 186. Where a propeller shaft passes through the hull, which device prevents water from entering the hull?Not learned 187. What is the proper name given to a deck fitting, used to secure line or wire rope, consisting of a single body with two horizontally protruding horns?Not learned 188. What is the radiotelephone urgency signal?Not learned 189. To reduce the number of strakes at the bow, two strakes are tapered and joined at their ends by a single plate. What is the name of this plate?Not learned 190. 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 191. 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 192. 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 193. 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 194. In ship construction, where should the keel scantlings be the greatest thickness?Not learned 195. The single turn method of returning to a man overboard should be used ONLY if which condition exists?Not learned 196. A situation has occurred in which your vessel must be towed. When the towing vessel passes the towing line to you, where should you secure the line?Not learned 197. A squeeze-grip type carbon dioxide portable fire extinguisher has been partially discharged. Which action should be taken?Not learned 198. Which statement about immersion suits is TRUE?Not learned 199. Why should storage batteries be charged in a well-ventilated area?Not learned 200. What does subtracting GM from KM yield?Not learned 201. You have taken another vessel in tow. Which is an indicator that the towing speed is too fast?Not learned 202. On a tankship, who is responsible for the sanitary inspections of the crew's quarters?Not learned 203. Which term describes the holes in the bulwark that allow deck water to drain into the sea?Not learned 204. Which term describes the time required to incline the vessel from port to starboard and back to port again?Not learned 205. Which term is given to the brickwork surrounding the firebox of a boiler?Not learned 206. Which term is given to the fittings used to secure a watertight door?Not learned 207. Which term indicates how many tons of cargo a vessel can carry?Not learned 208. The three conditions which cause engine shutdown are overspeed, low lube oil pressure, and which other condition?Not learned 209. A thrust bearing is designed to accomplish which action?Not learned 210. Which is TRUE of the vessel's Sheer Plan?Not learned 211. The two factors which make underwater hull repair of a MODU difficult are accessibility and the __________.Not learned 212. When using a handheld smoke signal aboard a survival craft, how should you activate the signal?Not learned 213. When using the International Code of Signals to communicate, the end of a radiotelephone transmission is indicated by which signal?Not learned 214. 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 215. 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 216. A vessel can be termed as either tender or stiff in relation to its rolling period. Which of the following would cause a vessel to be tender?Not learned 217. If you wear extra clothing when entering the water after abandoning ship it will accomplish which of the following?Not learned 218. What is a wobbling tail shaft an indication of?Not learned 219. Where is the molded depth measured from on a vessel?Not learned 220. If you must enter water on which there is an oil fire, which is the best action to take?Not learned 221. When approaching a fire from leeward you should shield firefighters from the fire by using __________.Not learned 222. Automatic fire dampers in ventilation systems are operated by use of which item?Not learned 223. Why is it desirable to have screens on the vents of potable water tanks?Not learned 224. How should the number "9" be pronounced when spoken on the radiotelephone?Not learned 225. Oil fires are best extinguished by __________.Not learned 226. What is one effect of running a diesel engine at too cool a temperature?Not learned 227. The operating cord on an inflatable liferaft also serves as which item?Not learned 228. The operator of the ship's radiotelephone, if the radiotelephone is carried voluntarily, must hold at least which of the following?Not learned 229. Overhauling a fire in the living quarters on a vessel must include which action?Not learned 230. Overspeed of the diesel engine driving an electric generator could cause which situation to occur?Not learned 231. 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 232. What is the period of validity of a De-Rat certificate?Not learned 233. In the presence of external forces, the center of buoyancy of an inclined vessel is vertically aligned with which item?Not learned 234. What is the primary reason for placing covers over the top of storage batteries?Not learned 235. You are proceeding to a distress site and expect large numbers of people in the water. Which statement is TRUE?Not learned 236. You are in the process of righting an inflatable liferaft that has inflated in an upside down position. Which statement is TRUE?Not learned 237. What is the purpose of the freeing ports on a vessel with solid bulwarks?Not learned 238. What is the purpose of the intake/exhaust valves in a diesel engine?Not learned 239. What is the purpose of a striker plate?Not learned 240. For the purpose of training and drills, if reasonable and practicable, how frequently should rescue boats be launched with their assigned crew?Not learned 241. What does a pyrometer measure on a diesel engine?Not learned 242. What quality of a diesel fuel is most significant for efficient combustion?Not learned 243. Which is the quickest method to stop a small diesel engine whose throttle or governor has become stuck open?Not learned 244. In a racetrack turn, to recover a man overboard, the vessel is steadied for the SECOND time after a turn of how many degrees from the original heading?Not learned 245. When would a racetrack turn be better than a Williamson turn in recovering a man overboard?Not learned 246. 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 247. What shall be conducted during a fire and boat drill?Not learned 248. Shell plating is _________.Not learned 249. You are on a ship that has broken down and are preparing to be taken in tow. You will use your anchor cable as part of the towline. Which statement is TRUE?Not learned 250. 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 251. A short ton is a unit of weight consisting of __________.Not learned 252. What is the signal to guide vessels in distress, indicating, "This is the best place to land"?Not learned 253. If the situation arose where it became necessary to tow a disabled vessel, which statement is TRUE concerning the towing line?Not learned 254. In small angle stability theory, the metacenter is located at the intersection of the inclined vertical centerline and a vertical line through which point?Not learned 255. Small hull leaks can be temporarily repaired by __________.Not learned 256. What is the space above the engine room called?Not learned 257. Which statement about bilge keels is CORRECT?Not learned 258. What statement about immersion suits is TRUE?Not learned 259. Which statement about immersion suits is TRUE?Not learned 260. Which statement about immersion suits is TRUE?Not learned 261. Which statement(s) is(are) TRUE concerning the use of dry chemical extinguishers?Not learned 262. Which statement is TRUE concerning carbon dioxide?Not learned 263. Which statement is TRUE concerning distress signals in a survival craft?Not learned 264. Which statement is TRUE concerning radiotelephones on board towing vessels?Not learned 265. With what other stations may portable survival craft transceivers communicate?Not learned 266. Sudden unloading of a diesel engine can cause which to occur?Not learned 267. 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 268. A tank 36 ft. by 36 ft. by 6 ft. is filled with water to a depth of 5 ft. If a bulkhead is placed in the center of the tank running fore-and-aft along the 36-foot axis, how will the value of the moment of inertia of the free surface be affected?Not learned 269. 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 270. Which term defines the tendency of a vessel to return to its original TRIM after being inclined by an external force?Not learned 271. 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 272. The terms "cant frame" and "counter" are associated with which part of the vessel?Not learned 273. Which term describes the horizontal fore or aft motion of a vessel?Not learned 274. What term indicates the immersed body of the vessel aft of the parallel mid-body?Not learned 275. What term indicates the immersed body of the vessel forward of the parallel mid-body?Not learned 276. What term indicates an inward curvature of the ship's hull above the waterline?Not learned 277. What term indicates the length measured along the summer load line from the intersection of that load line with the foreside of the stem and the intersection of that load line with the aft side of the rudder post?Not learned 278. What term indicates the outward curvature of the hull above the waterline?Not learned 279. What time of day would an SSB radio have the longest transmitting range?Not learned 280. Tonnage openings must be closed by means of __________.Not learned 281. The total weight of cargo, fuel, water, stores, passengers and crew, and their effects, that a ship can carry, is known as which term?Not learned 282. What is the traditional signal for fire aboard ship?Not learned 283. 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 284. Transverse frames are more widely spaced on a ship that is designed with the __________.Not learned 285. Which is TRUE concerning the production of mechanical foam by a portable in-line foam proportioner?Not learned 286. Which is TRUE of the term negative slip on a vessel?Not learned 287. Which types of portable fire extinguishers are designed for use on electrical fires?Not learned 288. Which type of portable fire extinguisher is NOT designed for use on flammable liquid fires?Not learned 289. While underway in thick fog you are on watch and hear the cry "man overboard". Which type of maneuver should you make?Not learned 290. Before using a fixed CO2 system to fight an engine room fire, you must __________.Not learned 291. When using a high-velocity fog stream in a passageway, the possibility of a blow back must be guarded against. Blow back is most likely to occur when __________.Not learned 292. You are using an oxygen indicator. How long should you wait after the sample is drawn into the instrument before reading the meter?Not learned 293. 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 294. When using the rainwater collection tubes on a life raft, the FIRST collection should be __________.Not learned 295. What is the usual depth of a beam bracket?Not learned 296. 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 297. 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 298. 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 299. A vessel with a large GM will __________.Not learned 300. A vessel is "listed" when it is __________.Not learned 301. A vessel's "quarter" is that section which is __________.Not learned 302. 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 303. A vessel with a small GM will __________.Not learned 304. Which VHF channel should you avoid using as a working channel?Not learned 305. How should you warm up a diesel engine that has not been run for some time?Not learned 306. You are on watch and receive word that a person has fallen overboard from the starboard side. What should your first action be?Not learned 307. When water pressure of 100 psi is used in conjunction with an inline proportioner for the production of the mechanical foam, how long will a 5-gallon can of liquid foam last?Not learned 308. A weight of 1,000 short tons is equivalent to __________.Not learned 309. While you are working in a space, the fixed CO2 system is accidentally activated. Which action should you take?Not learned 310. What would a yellow signal floating in the air from a small parachute, about 300 feet above the water indicate about a submarine?Not learned 311. All inflatable liferafts have which item?Not learned 312. When discharging a portable CO2 fire extinguisher, why must you grasp the hose handle and NOT the discharge horn?Not learned 313. When using the term "limber system" one is referring to which system?Not learned 314. A fire in a pile of linen is considered which class of fire?Not learned 315. An aluminum powder fire is in which fire classification category?Not learned 316. What is the normal percentage of oxygen in air?Not learned 317. What is the Ring life buoy requirement on your small passenger vessel that has a length of 28 feet?Not learned 318. When flammable liquids are handled in a compartment on a vessel, which is TRUE concerning the ventilation for that area?Not learned 319. Inflatable liferafts are provided with which item(s)?Not learned 320. How should the letter "T" be pronounced when spoken on the radiotelephone?Not learned 321. How should the letter "W" be pronounced when spoken on the radiotelephone?Not learned 322. How should the number "1" be pronounced when spoken on the radiotelephone?Not learned 323. Where must the life jackets be stowed?Not learned 324. When using the rainwater collection tubes on a liferaft, what should be done with the first collection?Not learned 325. 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 326. 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 327. 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