Q381 - 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. Rotation of the steering wheel on the navigation bridge initiates oil pressure being applied to the steering gear rams by __________.Not learned 3. Under normal operating conditions, the rudder is hydraulically locked unless which situation occurs?Not learned 4. According to the Code of Federal Regulations, which of the following statements is correct regarding the steering gear on a vessel contracted for after June 9, 1995?Not learned 5. How does good housekeeping prevent fires on a vessel?Not learned 6. Each distress signal and self-activated smoke signal must be replaced not later than the marked date of expiration, or not more than how many months from the date of manufacture?Not learned 7. Which of the listed classes of fire would most likely occur in the engine room of a vessel?Not learned 8. When compared to low-expansion foam, a high-expansion foam will __________.Not learned 9. Recharging a previously used cartridge-operated dry chemical fire extinguisher is accomplished by __________.Not learned 10. Fire dampers prevent the spread of fire by __________.Not learned 11. 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 12. Which statement describes the relationship between flash point and auto-ignition temperature?Not learned 13. Paints and solvents used aboard a vessel should be __________.Not learned 14. Which may ignite fuel vapors?Not learned 15. To prevent oily rags from spontaneously igniting they should be __________.Not learned 16. The primary danger in helicopter fires on a MODU is __________.Not learned 17. If you see an individual fall overboard, you should __________.Not learned 18. All personnel on board a vessel should be familiar with the rescue boat's __________.Not learned 19. Which of the following statements is TRUE concerning life jackets?Not learned 20. If you are forced to abandon ship in a rescue boat, which action should you take?Not learned 21. Inflatable liferafts are less maneuverable than lifeboats due to their __________.Not learned 22. If more than one liferaft is manned after the vessel has sunk, which action will aid in your rescue?Not learned 23. With the sprinkler system and air system on, and all hatches shut, the survival craft will be protected from __________.Not learned 24. The important initial stability parameter, GM, is which of the following?Not learned 25. Which term defines the difference between the forward and aft drafts?Not learned 26. 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 27. When a wind force causes a floating MODU to heel to a static angle, the __________.Not learned 28. When should the control of flooding of your vessel be addressed?Not learned 29. After measuring the length to which a section of shoring should be cut, you should cut the shoring __________.Not learned 30. Which term describes the strengthening of damaged bulkheads by using wood or steel?Not learned 31. When shoring a damaged bulkhead, effort should be taken to spread the pressure over the __________.Not learned 32. The overspeeding of the diesel engine driving an electric generator could cause __________.Not learned 33. Which of the following terms defines the minimum temperature required to ignite gas or vapor without a spark or flame being present?Not learned 34. 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 35. When patching holes in the hull, how can pillows, bedding, and other soft materials be used?Not learned 36. The two courses of action if the underwater hull is severely damaged are to plug the openings or to take which action?Not learned 37. The wooden plug inserted in the vent of a damaged tank should be removed if you are going to __________.Not learned 38. 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 39. A 750-foot passenger vessel operating on the Great Lakes, not subject to SOLAS regulations, is required to carry how many ring life buoys?Not learned 40. You have just abandoned ship and boarded a raft. After the raft is completely inflated you hear a whistling noise coming from a safety valve. Which action should you take?Not learned 41. 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 42. You have abandoned ship in tropical waters. Which procedure(s) should be used during a prolonged period in a raft?Not learned 43. You have abandoned your vessel and are the person in charge of lifeboat No. 2. Which procedure should be followed when landing a boat under oars through a slight surf?Not learned 44. After abandoning ship which action should be taken IMMEDIATELY upon entering a liferaft?Not learned 45. In the absence of external forces, the center of buoyancy of an inclined vessel is vertically aligned directly below the __________.Not learned 46. According to the "Vessel Bridge-to-Bridge Radiotelephone Act", what information that affects your vessel is required to be entered into the radiotelephone log?Not learned 47. Which action will affect the trim of a vessel?Not learned 48. Which action must be taken annually concerning inflatable liferafts carried on passenger vessels?Not learned 49. What is an advantage of diesel over steam turbine propulsion?Not learned 50. Which is an advantage of using watertight longitudinal divisions in double bottom tanks?Not learned 51. 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 52. What is the best indication of the loading of a diesel engine?Not learned 53. 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 54. The bypass valve on a self-contained breathing device should be opened in which situation?Not learned 55. A carling is used aboard ship to accomplish which function?Not learned 56. Why does a centrifugal bilge pump require priming?Not learned 57. A class B fire is most successfully fought by which method?Not learned 58. After clearing the vessel, what is one of the FIRST things you would do in an inflatable liferaft?Not learned 59. Which color of rockets, shells, or rocket parachute flares are used to indicate that the vessel is in distress and requires immediate assistance?Not learned 60. A crew member has just fallen overboard off your port side. Which action should you take?Not learned 61. What is the danger to personnel associated with using carbon dioxide in an enclosed space?Not learned 62. By day, what is the signal meaning, "This is the best place to land"?Not learned 63. Deballasting a double bottom has what effect on KG?Not learned 64. The deck beam brackets of a transversely framed vessel resist which stresses?Not learned 65. Why are deck beams cambered on a vessel?Not learned 66. Which defines the function of a spark arrestor?Not learned 67. A Deratization Exemption Certificate is valid for which period of time?Not learned 68. The most detrimental effect on initial stability is a result of liquids __________.Not learned 69. Why are diesel engines considered safer than gasoline engines?Not learned 70. Your drafts are: FWD 6'-01", AFT 6'-10". From past experience, you know that the vessel will increase her draft 1 inch for every 6 tons loaded. There is rig water on board and 11 tons of deck cargo. How many more tons of cargo can be loaded and still maintain the same trimNot learned 71. Which has the MOST effect on the range of a SSB transmission?Not learned 72. When electrical equipment is involved in a fire, where should the stream of dry chemicals be directed?Not learned 73. 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 74. In the event of a fire, the doors to a stair tower must be closed to prevent the spread of fire by which method?Not learned 75. What is the expected range of a VHF radio transmission from a vessel to a shore station?Not learned 76. Any extinguishing agent used on a Class "C" fire must have which important property?Not learned 77. What factor is essential to the proper operation of a radiator cooled engine?Not learned 78. 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 79. There is a fire in the crew's quarters of your vessel. Which action should you take FIRST?Not learned 80. If you have a fire in the engine room, what is the FIRST action you should take?Not learned 81. Fire hose should be washed with __________.Not learned 82. When should a fire be ventilated?Not learned 83. When should you first have any food or water after boarding a lifeboat or liferaft?Not learned 84. Which is the flammable limit range of Diesel Oil mixed with air?Not learned 85. Which of the following aspects of a flooded space will most adversely affect transverse stability if it is subject to free communication?Not learned 86. Which of the following defines "Rolling Period"?Not learned 87. 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 88. Four-cycle diesel engines obtain combustion air through turbo chargers, blowers, or which other means?Not learned 89. A fuel line breaks, sprays fuel on the hot exhaust manifold, and catches fire. What should be your FIRST action?Not learned 90. What is NOT a function of the steam drum of a marine water-tube boiler?Not learned 91. In general, how often are sanitary inspections of passenger and crew quarters made aboard passenger vessels in river service?Not learned 92. Which are general requirements for a vessel's radiotelephone station log?Not learned 93. When the GMDSS Radio Operator on watch hears "SECURITE" spoken three times he can expect to receive a message concerning __________.Not learned 94. Where are the grab rails of a metal lifeboat normally located?Not learned 95. The greatest effect on stability occurs from loose liquids flowing __________.Not learned 96. What does the gross tonnage of a vessel indicate?Not learned 97. When the handle of an all-purpose nozzle is pulled all the way back, it will __________.Not learned 98. What will happen when cargo is shifted from the main deck into the lower hold of a vessel?Not learned 99. If heavy smoke is coming from the paint locker, what should be the FIRST firefighting response?Not learned 100. In illustration D016SA below, what number indicates the frapping line?Not learned 101. What is the MOST important consideration when determining how to fight an electrical fire?Not learned 102. Inflatable liferafts are provided with a __________.Not learned 103. Which instrument is suitable for determining the presence of explosive concentrations of fuel oil vapors in tanks?Not learned 104. Who issues the regulations governing the frequencies of the bridge-to-bridge radiotelephone?Not learned 105. Which item is a safety feature provided on all inflatable liferafts?Not learned 106. Which item is of the most use in getting a lifeboat away from a moving ship?Not learned 107. 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 108. 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 109. How should the letter "D" be pronounced when spoken on the radiotelephone?Not learned 110. 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 111. Lifesaving regulations in Subchapter W require that a fire drill include which of the following?Not learned 112. What does the lifesaving signal indicated by a horizontal motion of a white light or white flare mean?Not learned 113. What is the lifesaving signal indicating "You are seen - Assistance will be given as soon as possible"?Not learned 114. What is the lifesaving signal for "You are seen - Assistance will be given as soon as possible"?Not learned 115. "Limber" is a term associated with which item?Not learned 116. You are loading in a port subject to the summer load line mark and bound for a port subject to the tropical load line mark. You will enter the tropical zone after steaming four days. You will consume 33 tons of fuel, water, and stores per day. The hydrometer reading at the loading pier is 1.006, and the average TPI is 66. What is the minimum freeboard required at the start of the voyage? Reference Table BL-0022 below.Not learned 117. You are loading in a port subject to the winter load line mark and bound for a port subject to the summer load line mark. You will enter the summer zone after steaming six days. You will consume 32 tons of fuel, water, and stores per day. The hydrometer reading at the loading pier is 1.005, and the average TPI is 65. What is the minimum freeboard required at the start of the voyage? Reference Table BL-0020 below.Not learned 118. You are loading in a port subject to the winter load line mark and bound for a port subject to the tropical load line mark. You will enter the summer zone after steaming four days, and you will enter the tropical zone after a total of seven days. You will consume 38 tons of fuel, water, and stores per day. The hydrometer reading at the loading pier is 1.004, and the average TPI is 72. What is the minimum freeboard required at the start of the voyage? Reference Table BL-0007 below.Not learned 119. When should the lubricating oil be changed on a heavy-duty diesel engine?Not learned 120. Which is the major disadvantage of a low-speed diesel as compared to a steam main-propulsion system?Not learned 121. How many ring life buoys should a 700-foot cargo vessel, not subject to SOLAS, navigating the Great Lakes carry?Not learned 122. What may the firing of a red star signal mean?Not learned 123. Which is TRUE of the mechanical gearing of deck machinery such as the windlass or towing engines?Not learned 124. 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 125. In an emergency, which can directly control the electro-hydraulic steering units on the vessel?Not learned 126. Which of the following when removed will extinguish a fire?Not learned 127. Which item(s) is/are a 2,000 GT tankship required to carry?Not learned 128. All lifeboats, rescue boats, and rigid-type liferafts shall be stripped, cleaned, and thoroughly overhauled at which time interval?Not learned 129. Line throwing apparatus aboard ship must contain which items?Not learned 130. The Master of a cargo or tank vessel shall be responsible that each lifeboat, except those free-fall launched, is lowered to the water with crew and maneuvered. Which time interval is this action required?Not learned 131. You must shore up a bulkhead due to solid flooding forward. The bulkhead approximates a rectangle. Where should the center of pressure of the shores be located on the bulkhead?Not learned 132. 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 133. Normally, your vessel is on a voyage of three months duration. How many sanitary inspections are required to be conducted during the voyage?Not learned 134. Which officer is responsible for the sanitary condition of the engineering department?Not learned 135. How often are each EPIRB and SART for lifeboats required to be tested on the vessel?Not learned 136. 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 137. The pillar shape that gives the greatest strength for the least weight is the __________.Not learned 138. If a powdered aluminum fire is being fought, which is the most effective extinguishing agent to use?Not learned 139. If you receive the signal over radiotelephone of "Romeo Papa Tango" while using the International Code of Signals, which action should you take?Not learned 140. When is it recommended that seawater be used for drinking?Not learned 141. 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 142. 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 143. 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 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 searchlight on a survival craft must be capable of operating 3 hours continuously or 6 hours intermittently if operated in which cycles?Not learned 146. 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 147. The single turn method of returning to a man overboard should be used ONLY if which condition exists?Not learned 148. 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 149. 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 150. If the steersman of your lifeboat gives the command "Way enough", which action should you take?Not learned 151. You have taken another vessel in tow. Which is an indicator that the towing speed is too fast?Not learned 152. On a tankship, who is responsible for the sanitary inspections of the crew's quarters?Not learned 153. Which term describes the holes in the bulwark that allow deck water to drain into the sea?Not learned 154. Which term is given to the fittings used to secure a watertight door?Not learned 155. Which term indicates how many tons of cargo a vessel can carry?Not learned 156. Which term is used to describe the point that is halfway between the forward and after perpendicular and is a reference point for vessel construction?Not learned 157. Which is TRUE concerning a fuel-air mixture below the lower flammable limit?Not learned 158. Which is TRUE concerning the most serious effect trapped air has on a diesel engine jacket water cooling system?Not learned 159. Which is TRUE of the vessel's Sheer Plan?Not learned 160. The two factors which make underwater hull repair of a MODU difficult are accessibility and the __________.Not learned 161. On a vessel, which information can be obtained by multiplying a load's weight by the distance of the load's center of gravity above the baseline?Not learned 162. Where is the molded depth measured from on a vessel?Not learned 163. What monitoring device best indicates the load being carried by a diesel engine?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. How does the rotation of the steering wheel on the navigation bridge initiate oil pressure being applied to the steering gear rams?Not learned 167. Why is it desirable to have screens on the vents of potable water tanks?Not learned 168. On an oceangoing vessel, for each person a lifeboat (without desalting kits) is certified to carry, what must the boat be supplied with?Not learned 169. What is one effect of running a diesel engine at too cool a temperature?Not learned 170. Which one of the following signals is made at night by a lifesaving station to indicate "Landing here highly dangerous"?Not learned 171. One gallon of high expansion foam solution will produce __________.Not learned 172. Overhauling a fire in the living quarters on a vessel must include which action?Not learned 173. Overspeed of the diesel engine driving an electric generator could cause which situation to occur?Not learned 174. 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 175. You are piloting a vessel, which is required to have a radiotelephone, on the navigable waters of the United States. Choose the best answer that states the requirement(s) of the regulations?Not learned 176. When possible, what is the FIRST step in fighting an engine fuel-pump fire which results from a broken fuel line?Not learned 177. In the presence of external forces, the center of buoyancy of an inclined vessel is vertically aligned with which item?Not learned 178. You are in the process of righting an inflatable liferaft that has inflated in an upside down position. Which statement is TRUE?Not learned 179. What is the purpose of a striker plate?Not learned 180. For the purpose of training and drills, if reasonable and practicable, how frequently should rescue boats be launched with their assigned crew?Not learned 181. What does a pyrometer measure on a diesel engine?Not learned 182. What quality of a diesel fuel is most significant for efficient combustion?Not learned 183. 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 184. When would a racetrack turn be better than a Williamson turn in recovering a man overboard?Not learned 185. What represents poor sanitary procedures?Not learned 186. What is required in addition to the heat, fuel, and oxygen of the fire triangle to have a fire?Not learned 187. 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 188. A seaman is reported missing in the morning and was last seen after coming off the mid-watch. Which type of turn would you use to return to the track-line steamed during the night?Not learned 189. What shall be conducted during a fire and boat drill?Not learned 190. 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 191. 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 192. Which signal is used by a rescue unit to indicate, "Avast hauling"?Not learned 193. What is the signal used with shore lifesaving equipment to indicate, "Affirmative"?Not learned 194. If the situation arose where it became necessary to tow a disabled vessel, which statement is TRUE concerning the towing line?Not learned 195. For small angles of inclination, if the KG were equal to the KM, which is TRUE concerning the vessel?Not learned 196. Which statement concerning carbon dioxide is FALSE?Not learned 197. Which statement about the free surface correction is TRUE?Not learned 198. What statement about immersion suits is TRUE?Not learned 199. Which statement is TRUE concerning radiotelephones on board towing vessels?Not learned 200. Which statement is TRUE concerning spare charges for portable fire extinguishers on unmanned tank barges?Not learned 201. Which statement about the Williamson turn is FALSE?Not learned 202. 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 203. You are tending the lifeline of a man who entered a compartment using a breathing apparatus. How many tugs on the lifeline indicate the man should back out?Not learned 204. Which term is given to the upward slope of a vessels bottom from the keel to the bilge?Not learned 205. Which term is given to the wooden planking that protects the tank top from cargo loading?Not learned 206. What term indicates the immersed body of the vessel aft of the parallel mid-body?Not learned 207. What term indicates the immersed body of the vessel forward of the parallel mid-body?Not learned 208. What term indicates the midships portion of a vessel that has a constant cross section?Not learned 209. The term "strake" is used in reference to which item(s)?Not learned 210. What time of day would an SSB radio have the longest transmitting range?Not learned 211. Tonnage openings must be closed by means of __________.Not learned 212. 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 213. What is the traditional signal for fire aboard ship?Not learned 214. 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 215. Which is TRUE concerning the painter of an inflatable liferaft?Not learned 216. Which is TRUE of paints and solvents on a vessel?Not learned 217. Which is TRUE of the term negative slip on a vessel?Not learned 218. When two generators are operating in parallel, what will happen if one engine driving a generator shuts down?Not learned 219. Which types of portable fire extinguishers are designed for use on electrical fires?Not learned 220. Which type of portable fire extinguisher is NOT designed for use on flammable liquid fires?Not learned 221. While underway in thick fog you are on watch and hear the cry "man overboard". Which type of maneuver should you make?Not learned 222. What should be used to steer an open lifeboat if the rudder becomes lost or damaged?Not learned 223. Before using a fixed CO2 system to fight an engine room fire, you must __________.Not learned 224. 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 225. You are using VHF channel 16 (156.8 MHz) or 2182 kHz. You need help but are not in danger, which signal signifies urgency?Not learned 226. What is the usual depth of a beam bracket?Not learned 227. 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 228. 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 229. 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 230. Your vessel's drafts are: FWD 18'-09", AFT 19'-01". How much more cargo can be loaded to have the vessel down to the freeboard draft? (Use the information in Section 1, the blue pages, of the Stability Data Reference Book)Not learned 231. 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 232. 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 233. A vessel's "quarter" is that section which is __________.Not learned 234. Your vessel has run hard aground in an area subject to heavy wave action. Backing full astern failed to free her. Which action should be taken next?Not learned 235. 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 236. 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 237. What is the most vulnerable part of the fire main system?Not learned 238. While you are on watch, you learn that a crewman has not been seen on board for the past three hours. Which type of turn is best in this man-overboard situation?Not learned 239. 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 240. A weight of 1,000 short tons is equivalent to __________.Not learned 241. A well in the uppermost deck of a shelter deck vessel which has only a temporary means of closing for the purpose of gaining an exemption from tonnage measurement is called a(n) __________.Not learned 242. A motor lifeboat shall carry sufficient fuel to operate continuously for a period of which duration?Not learned 243. Which is required to be marked on the vessel's life preservers?Not learned 244. Which is TRUE concerning a certified lifeboat operator assigned to command a lifeboat?Not learned 245. Your vessel has 3 lifeboats on each side. What is the designation number for the middle boat on the starboard side?Not learned 246. As seen in illustration D004SA below, what action must be taken before inserting a low-velocity fog applicator into an all-purpose nozzle?Not learned 247. What is the main advantage of a steady stream of water on a class "A" fire?Not learned 248. 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 249. 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 250. Inflatable liferafts are provided with which item(s)?Not learned 251. What is the name given to the distance between the waterline of a vessel and the main continuous deck of a vessel?Not learned 252. Where must the life jackets be stowed?Not learned 253. When using the rainwater collection tubes on a liferaft, what should be done with the first collection?Not learned 254. 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 255. During fueling, all doors, hatches, and ports __________.Not learned 256. 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 257. You are loading in a port subject to the winter load line mark and bound for a port subject to the tropical load line mark. You will enter the summer zone after steaming four days, and you will enter the tropical zone after a total of twelve days. You will consume 39 tons of fuel, water, and stores per day. The hydrometer reading at the loading pier is 1.025, and the average TPI is 49. What is the minimum freeboard required at the start of the voyage? Reference Table BL-0010 below.Not learned 258. You are tending the lifeline of a man who entered a compartment using a breathing apparatus. How many tugs on the lifeline indicate the man should advance?Not learned