Q201 - Deck Safety, USCG prep certification 2026

Progress: 24% (23/94)

Learning progress ?

1. When is firefighting foam most effective?Not learned 2. What is the function of wearing rings found on some centrifugal pumps?Not learned 3. What prevents water running along the shaft of a leaking centrifugal pump from entering the shaft bearing?Not learned 4. Under normal operating conditions, the rudder is hydraulically locked unless which situation occurs?Not learned 5. When the helm is turned on the navigation bridge, which of the listed actions will be the FIRST response in the steering room on a ship equipped with an electro-hydraulic steering gear?Not learned 6. Which is the MOST important consideration for a tank vessel?Not learned 7. The AMVER system for vessels in the Gulf of Mexico is administered by which organization?Not learned 8. While reading the muster list you see that "3 short blasts on the whistle and three short rings on the general alarm" is the signal for ________.Not learned 9. Which of the following conditions represents the appropriate time for setting off distress flares and rockets?Not learned 10. All of the following are recognized distress signals under the Navigation Rules EXCEPT which signal?Not learned 11. When a vessel signals its distress by means of a gun or other explosive signal, the firing should be at approximately which time intervals?Not learned 12. 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 13. A magnesium fire is classified as class _________.Not learned 14. When compared to low-expansion foam, a high-expansion foam will __________.Not learned 15. Firefighting foam is only effective when the foam __________.Not learned 16. Which portable fire extinguisher should be used on a class C fire on board a vessel?Not learned 17. Recharging a previously used cartridge-operated dry chemical fire extinguisher is accomplished by __________.Not learned 18. To prevent the spread of fire by convection you should __________.Not learned 19. Fire dampers prevent the spread of fire by __________.Not learned 20. Your tankship has 40 gallons of 6% foam concentrate aboard. Approximately how much foam solution can be produced from this supply?Not learned 21. 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 22. Which defines the flash point of a liquid?Not learned 23. Which statement describes the relationship between flash point and auto-ignition temperature?Not learned 24. Paints and solvents used aboard a vessel should be __________.Not learned 25. To prevent oily rags from spontaneously igniting they should be __________.Not learned 26. The primary danger in helicopter fires on a MODU is __________.Not learned 27. All personnel on board a vessel should be familiar with the rescue boat's __________.Not learned 28. How should the sea painter of a lifeboat be led?Not learned 29. 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 30. When abandoning ship, after launching the motor lifeboat which is the recommended action to take?Not learned 31. You are in a survival craft broadcasting a distress message. What information would be essential to your rescuers?Not learned 32. Most lifeboats are equipped with __________.Not learned 33. If you are forced to abandon ship in a rescue boat, which action should you take?Not learned 34. 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 35. If more than one liferaft is manned after the vessel has sunk, which action will aid in your rescue?Not learned 36. Generally, when lifting an inflatable liferaft back aboard ship which item(s) would you use?Not learned 37. The important initial stability parameter, GM, is which of the following?Not learned 38. Pitching is angular motion of the vessel about what axis?Not learned 39. Which term defines the difference between the forward and aft drafts?Not learned 40. 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 41. When a wind force causes a floating MODU to heel to a static angle, the __________.Not learned 42. During counterflooding to correct a severe list aggravated by an off-center load, your vessel suddenly takes a list to the opposite side. Which action should you take?Not learned 43. When should the control of flooding of your vessel be addressed?Not learned 44. Repairing damage to the hull at or above the waterline reduces which threat?Not learned 45. The order of importance in addressing damage control is __________.Not learned 46. Which term describes the strengthening of damaged bulkheads by using wood or steel?Not learned 47. What is the objective of shoring a damaged bulkhead?Not learned 48. What must be accurately determined to assess the potential for progressive flooding after a vessel has been damaged?Not learned 49. Why should a person being treated for shock be wrapped in warm coverings?Not learned 50. Which should NOT be a treatment for a person who has received a head injury and is groggy or unconscious?Not learned 51. What should you do if a crewman suffers a second-degree burn on the arm?Not learned 52. What can be caused by severe airway burns?Not learned 53. Which of the listed conditions is a symptom of sun stroke?Not learned 54. What are the symptoms of sugar diabetes?Not learned 55. How should the pain be relieved when a patient is suspected of having appendicitis?Not learned 56. What is an effective method for moving patients with spinal injuries onto a spine board?Not learned 57. Which of the following methods is a convenient and effective system of examining the body of an injury victim?Not learned 58. What is the most useful drug to reduce a high fever?Not learned 59. What action must be taken if a shipmate suffers a heart attack and stops breathing?Not learned 60. While carrying out artificial respiration how should rescuers be changed out?Not learned 61. The overspeeding of the diesel engine driving an electric generator could cause __________.Not learned 62. What will cause the free surface effects of a partially full tank on a vessel in motion to increase?Not learned 63. 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 64. When patching holes in the hull, how can pillows, bedding, and other soft materials be used?Not learned 65. What is the purpose of a check valve?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. A man aboard a vessel, is signaling by raising and lowering his outstretched arms to each side. What does this signal indicate?Not learned 68. Which is the abandon ship signal?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. When abandoning ship and jumping into the water from a substantial height without a life jacket, you should __________.Not learned 71. An "ABC" dry chemical fire extinguisher would be LEAST effective against a fire in __________.Not learned 72. Aboard damaged vessels, the MOST important consideration is preserving which item?Not learned 73. Aboard a vessel, what does dividing the sum of the longitudinal moments by the total weight yield?Not learned 74. In the absence of external forces, the center of buoyancy of an inclined vessel is vertically aligned directly below the __________.Not learned 75. According to the regulations, where is the capacity of a liferaft required to be marked?Not learned 76. Which action will affect the trim of a vessel?Not learned 77. Which action must be taken annually concerning inflatable liferafts carried on passenger vessels?Not learned 78. Which action should you take after sending a false distress alert on VHF?Not learned 79. Addition of weight to a vessel will ALWAYS __________.Not learned 80. When the alarm bell sounds on a positive-pressure, self-contained breathing apparatus, how long will reserve air supply last?Not learned 81. The angular movement of a vessel about a horizontal line drawn from its bow to its stern is known by which term?Not learned 82. You are approaching a small vessel and see that it has the signal flag "T" hoisted. What should you do?Not learned 83. When attempting to enter a compartment containing a fire, which method of applying water is best?Not learned 84. In battery charging rooms, where should the exhaust ventilation be provided?Not learned 85. What does the term "beam of a vessel" refer to?Not learned 86. What is the best indication of the loading of a diesel engine?Not learned 87. 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 88. What is the breaking strength of the service lines of the rockets used with an impulse-projected, rocket type line throwing appliance?Not learned 89. If the cause of a sudden severe list is due to negative initial stability, counter-flooding into empty ballast tanks may __________.Not learned 90. Why does a centrifugal bilge pump require priming?Not learned 91. A class B fire is most successfully fought by which method?Not learned 92. A class C fire would be burning __________.Not learned 93. After clearing the vessel, what is one of the FIRST things you would do in an inflatable liferaft?Not learned 94. By day, what is the signal meaning, "This is the best place to land"?Not learned 95. The deck beam brackets of a transversely framed vessel resist which stresses?Not learned 96. 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 97. Which defines the function of a spark arrestor?Not learned 98. Which defines reserve buoyancy?Not learned 99. Which describes the term intact buoyancy?Not learned 100. Which describes the term "scantlings"?Not learned 101. The most detrimental effect on initial stability is a result of liquids __________.Not learned 102. Which describes the difference between the height of the metacenter and the height of the center of gravity of a vessel?Not learned 103. The distress message of a ship should include considerable information which might facilitate the rescue. Which is TRUE concerning the information?Not learned 104. Distress signals may be __________.Not learned 105. What is the effect of heated intake air on a diesel engine that is at normal operating temperature?Not learned 106. What is the most effective treatment for warming a crew member suffering from hypothermia?Not learned 107. When electrical equipment is involved in a fire, where should the stream of dry chemicals be directed?Not learned 108. To ensure receipt of all relevant MSI, a NAVTEX receiver should be turned on at least how many hours prior to departure from port?Not learned 109. What entry would NOT be shown on the V line of an AMVER report?Not learned 110. 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 111. 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 112. What is the expected range of a VHF radio transmission from a vessel to a shore station?Not learned 113. Which extinguishing agent is most effective for combating wood fires?Not learned 114. What factor is essential to the proper operation of a radiator cooled engine?Not learned 115. 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 116. You are fighting a fire in a watertight compartment using hoses and salt water. Why may the stability of the vessel be reduced?Not learned 117. There is a fire in the crew's quarters of your vessel. Which action should you take FIRST?Not learned 118. A fire in the galley ALWAYS poses which additional threat?Not learned 119. A fire hose with a nozzle attached must be connected to each hydrant except when exposed to heavy weather or when the __________.Not learned 120. A fire in the radio transmitter would be of what class?Not learned 121. When should you first have any food or water after boarding a lifeboat or liferaft?Not learned 122. What is the FIRST treatment for a surface burn?Not learned 123. The flag hoist 62.2 would be sent as pennant 6, pennant 2 followed by what?Not learned 124. Which are the flammable limits of methyl ethyl ketone?Not learned 125. When will the float-free emergency position indicating radio beacon be activated after abandoning ship?Not learned 126. Which of the following aspects of a flooded space will most adversely affect transverse stability if it is subject to free communication?Not learned 127. Which of the following defines the difference between the free-floating displacement and the KB of a grounded vessel?Not learned 128. Which of the following describes the function of a sea anchor when utilized as a tool for beaching a lifeboat through surf?Not learned 129. Which of the following is a requirement of the mechanical disengaging apparatus in a lifeboat?Not learned 130. Which formula can be used to calculate metacentric height?Not learned 131. Freeing ports on a vessel with solid bulwarks accomplish which task?Not learned 132. What is the function of an air receiver in the compressed air system?Not learned 133. In general, how often are sanitary inspections of passenger and crew quarters made aboard passenger vessels in river service?Not learned 134. The greatest effect on stability occurs from loose liquids flowing __________.Not learned 135. 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 136. When the handle of an all-purpose nozzle is pulled all the way back, it will __________.Not learned 137. What will happen if cargo is shifted from the lower hold to the main deck on the vessel?Not learned 138. You hear the general alarm and ship's whistle sound for over 10 seconds. What does this signal mean?Not learned 139. You hear on the radiotelephone the word "Securite" spoken three times. What does this indicate?Not learned 140. Heave is motion along which axis?Not learned 141. If heavy smoke is coming from the paint locker, what should be the FIRST firefighting response?Not learned 142. When the height of the metacenter is less than the height of the center of gravity of a vessel, the upright equilibrium position is referred to by which term?Not learned 143. A hydraulic accumulator aboard a MODU is designed to __________.Not learned 144. In illustration D016SA below, what number indicates the frapping line?Not learned 145. In illustration D033DG below, what is the joint indicated by letter D?Not learned 146. In illustration D033DG below, which letter indicates a butt?Not learned 147. In illustration D033DG below, the stringer plate is represented by which letter?Not learned 148. In illustration D033DG below, what is a wooden deck installed on top of the plating lettered N known as?Not learned 149. In illustration D041DG below, which of the following is the symbol for the reference from which transverse measurements are made?Not learned 150. What is MOST important when administering artificial respiration?Not learned 151. What is the MOST important consideration when determining how to fight an electrical fire?Not learned 152. An important step in fighting any electrical fire is to take which action?Not learned 153. To increase the extent of flooding your vessel can suffer without sinking, you could take which action?Not learned 154. Which is an indication that progressive flooding is occurring?Not learned 155. Jettisoning weight from topside __________.Not learned 156. 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 157. In launching a lifeboat, when should the tricing pendants be released?Not learned 158. Which is TRUE concerning the length of the steering oar in a lifeboat?Not learned 159. How should the letter "D" be pronounced when spoken on the radiotelephone?Not learned 160. You are in a lifeboat broadcasting a distress message. What information would be essential to your rescuers?Not learned 161. 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 162. How are lifelines attached to a life float?Not learned 163. Lifesaving regulations in Subchapter W require that a fire drill include which of the following?Not learned 164. 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 165. How long must GMDSS Radio Logs be retained by the licensee when they relate to a distress situation or disaster?Not learned 166. How should longitude 116°24.3'W be written when preparing an AMVER report?Not learned 167. What should you look for evidence of if a victim is unconscious?Not learned 168. What is the major cause of shock in burn victims?Not learned 169. When making VHF radio calls to nearby stations, what level of transmitting power should you use?Not learned 170. What is the meaning of the flashing light signal "D0910"?Not learned 171. What is the meaning of the signal "G1325"?Not learned 172. Most medium and slow speed diesels are started by what medium?Not learned 173. What is Metacentric height a measure of?Not learned 174. If the meter needle of the oxygen indicator cannot be set to zero, what should be done?Not learned 175. What is the minimum number of people required to safely handle a 1-1/2-inch fire hose?Not learned 176. 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 177. Which item(s) is/are a 2,000 GT tankship required to carry?Not learned 178. A liferaft with a capacity of 8 people used in ocean service is required by regulations to carry which items?Not learned 179. 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 180. 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 181. Which is the normal tendency for a loaded tanker?Not learned 182. How often are each EPIRB and SART for lifeboats required to be tested on the vessel?Not learned 183. What can an oxygen indicator be used to determine?Not learned 184. If a person gets something in his eye and you observe that it is not embedded, you can ________.Not learned 185. The pillar shape that gives the greatest strength for the least weight is the __________.Not learned 186. What is the primary use of antiseptics?Not learned 187. Which is the prime function of the bilge keel?Not learned 188. If you receive a message "A243" by any method of signaling, what would it be referring to?Not learned 189. 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 190. The shearing stresses on a ship's structure are usually greatest at which area?Not learned 191. 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 192. 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 193. Which statement is TRUE concerning distress signals in a lifeboat?Not learned 194. You have taken another vessel in tow. Which is an indicator that the towing speed is too fast?Not learned 195. On a tankship, who is responsible for the sanitary inspections of the crew's quarters?Not learned 196. Which term defines the horizontal fore-and-aft movement of a vessel?Not learned 197. Which term defines the minimum concentration of a vapor in air which can form a mixture that ignites and burns?Not learned 198. Which term defines the volume of a vessel's intact watertight space above the waterline?Not learned 199. Which term is used to describe the horizontal port or starboard movement of a vessel?Not learned 200. A thirty-pound plate would be which thickness?Not learned 201. The three conditions which cause engine shutdown are overspeed, low lube oil pressure, and which other condition?Not learned 202. A thrust bearing is designed to accomplish which action?Not learned 203. When should a tourniquet be used to control bleeding?Not learned 204. Which is TRUE concerning drinking salt water?Not learned 205. Which is TRUE concerning the most serious effect trapped air has on a diesel engine jacket water cooling system?Not learned 206. Which is TRUE if passengers are on board when an abandon ship drill is carried out?Not learned 207. The two factors which make underwater hull repair of a MODU difficult are accessibility and the __________.Not learned 208. Ultrasonic testing is used to determine the thickness of a vessel's shell plating and which other testing?Not learned 209. Upon hearing the abandon ship signal, you put on your life jacket and report to your station. After the cover is removed you board your open lifeboat. Which is the FIRST thing to do in the lifeboat?Not learned 210. 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 211. Your vessel has grounded and a report must be made to the United States Coast Guard. Which is the required form for this report?Not learned 212. When a vessel is stationary and in a hogging condition, the main deck is under which type of stress?Not learned 213. What monitoring device best indicates the load being carried by a diesel engine?Not learned 214. If you must enter water on which there is an oil fire, which is the best action to take?Not learned 215. What is the name given to the strake on each side of the keel?Not learned 216. When approaching a fire from leeward you should shield firefighters from the fire by using __________.Not learned 217. Normally, which chemical is used to treat water in order to ensure its safety for drinking?Not learned 218. How should the number "9" be pronounced when spoken on the radiotelephone?Not learned 219. What is one of the FIRST actions you should take after abandoning and clearing away from a vessel?Not learned 220. One gallon of high expansion foam solution will produce __________.Not learned 221. Which is one of the signals, other than a distress signal, that can be used by a rescue boat to attract attention?Not learned 222. Overhauling a fire in the living quarters on a vessel must include __________.Not learned 223. Overspeed of the diesel engine driving an electric generator could cause which situation to occur?Not learned 224. Owing to the greater girth of a ship amidships than at the ends, certain strakes are dropped as they approach the bow and stern to reduce the amount of plating at the ends. What is the name given to these strakes?Not learned 225. 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 226. When a person is in shock, how will their skin appear?Not learned 227. What power source actuates a solenoid valve?Not learned 228. In the presence of external forces, the center of buoyancy of an inclined vessel is vertically aligned with which item?Not learned 229. What is the most probable cause of reduced capacity in a reciprocating air compressor?Not learned 230. Which term defines the most probable position of the object of a search at any given time?Not learned 231. You are proceeding to a distress site where the survivors are in liferafts. Which action will assist in making your vessel more visible to the survivors?Not learned 232. Which term is used to describe the projecting lugs of the rudderpost which furnish support to the rudder?Not learned 233. What is the proper stimulant for an unconscious person?Not learned 234. What is the purpose of the intake/exhaust valves in a diesel engine?Not learned 235. What is the purpose of a striker plate?Not learned 236. For the purpose of training and drills, if reasonable and practicable, how frequently should rescue boats be launched with their assigned crew?Not learned 237. What is the purpose of the tricing pendants?Not learned 238. What does a pyrometer measure on a diesel engine?Not learned 239. What quality of a diesel fuel is most significant for efficient combustion?Not learned 240. Which quantity of fuel is required to be carried in a motor lifeboat?Not learned 241. When would a racetrack turn be better than a Williamson turn in recovering a man overboard?Not learned 242. Which radiotelephone transmission may be sent over channel 16?Not learned 243. Regulations define the bulkhead deck as __________. (subdivision and stability regulations)Not learned 244. The result of two forces acting in opposite directions and along parallel lines, is an example of what type of stress?Not learned 245. Which satellite system promulgated Maritime Safety Information?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. 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 248. Several merchant ships are arriving at the scene of a distress incident. One of them must assume the duties of the On-Scene Coordinator. Which of the following statements is TRUE?Not learned 249. What shall be conducted during a fire and boat drill?Not learned 250. Your ship of 12,000 tons displacement has a center of gravity of 21.5 feet above the keel. You run aground and estimate the weight aground is 2500 tons. What would be the virtual rise in the center of gravity?Not learned 251. 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 252. A ship's forward draft is 22'-04" and its after draft is 23'-00". The draft amidships is 23'-04". Using this information, where is the concentration of weight on the vessel?Not learned 253. 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 254. A ship station license for your radiotelephone is valid for which of the following terms?Not learned 255. A short ton is a unit of weight consisting of __________.Not learned 256. Where do signs of racking stresses generally appear on the vessel?Not learned 257. What does the signal L1210 indicate?Not learned 258. Which signal is used by a rescue unit to indicate, "Avast hauling"?Not learned 259. Which signal should be used to send the group "Distance 750 nautical miles"?Not learned 260. Which signal would be used by a shore rescue unit to indicate "Landing here highly dangerous"?Not learned 261. When signaling a course using the International Code of Signals, which is TRUE?Not learned 262. When signaling by flashing light, how should you acknowledge a correctly received repetition of a signal?Not learned 263. Which single-letter sound signal(s) may only be made in compliance with the Rules of the Road?Not learned 264. If the situation arose where it became necessary to tow a disabled vessel, which statement is TRUE concerning the towing line?Not learned 265. Small hull leaks can be temporarily repaired by __________.Not learned 266. Small quantities of flammable liquids needed at a work site should be __________.Not learned 267. What is the spoken emergency signal for a "man overboard" on the VHF radio?Not learned 268. What is the standard rate of signaling by flashing light?Not learned 269. Which statement about AMVER reports is TRUE?Not learned 270. Which statement concerning GMDSS Radio Operator requirements is FALSE?Not learned 271. Which statement about damage control is TRUE?Not learned 272. What statement about immersion suits is TRUE?Not learned 273. Which statement is TRUE concerning the life buoy on your small passenger vessel? (Length 28 feet)Not learned 274. Which statement is TRUE of a tender vessel?Not learned 275. Which statement about the Williamson turn is FALSE?Not learned 276. Which system may be useful for messages, such as local storm warnings or a shore-to-ship distress alert, for which it is inappropriate to alert all ships in the satellite coverage area?Not learned 277. 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 278. Tensile stress is a result of two forces acting in __________.Not learned 279. Which term describes the horizontal fore or aft motion of a vessel?Not learned 280. Which term indicates the rise in height of the bottom plating from the plane of the base line?Not learned 281. What should you do if you have transmitted a distress call a number of times on channel 16 and have received no reply?Not learned 282. Transverse frames are more widely spaced on a ship that is designed with the __________.Not learned 283. Which is TRUE concerning the painter of an inflatable liferaft?Not learned 284. You are trying to rescue survivors from a wrecked vessel on fire. How should you make your approach?Not learned 285. Which types of portable fire extinguishers are designed for use on electrical fires?Not learned 286. What type of stern tube bearing has the least friction?Not learned 287. You are underway in the Gulf of Mexico when you hear a distress message over the VHF radio. The position of the sender is about 20 miles south of Galveston, TX, and you are about 80 miles ESE of Galveston. What action should you take?Not learned 288. While underway in thick fog you are on watch and hear the cry "man overboard". Which type of maneuver should you make?Not learned 289. What can be used to measure the percentage of oxygen inside a chain locker?Not learned 290. What should be used to steer an open lifeboat if the rudder becomes lost or damaged?Not learned 291. Before using a fixed CO2 system to fight an engine room fire, you must __________.Not learned 292. When using the rainwater collection tubes on a life raft, the FIRST collection should be __________.Not learned 293. The "Vessel Bridge-to-Bridge Radiotelephone Act" applies to which towboat?Not learned 294. A vessel is constructed with a steel hull and an aluminum superstructure. Which statement is TRUE?Not learned 295. Your vessel is damaged, listing to port and on occasion flopping to the same angle to starboard. It has a long, slow, sluggish roll around the angle of list. There is excessive trim by the stern with little freeboard aft. What action should you take FIRST to correct this situation?Not learned 296. Your vessel is damaged and listing to port. The rolling period is long, and the vessel will occasionally assume a starboard list. Which action should you take FIRST?Not learned 297. Your vessel has been damaged and is partially flooded. The first step to be taken in attempting to save the vessel is to __________.Not learned 298. 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 299. If your vessel is equipped with a radiotelephone, what must also be aboard?Not learned 300. 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 301. Your vessel has run aground and is touching bottom for the first one-quarter of its length. What is the LEAST desirable method from the standpoint of stability to decrease the bottom pressure?Not learned 302. If a vessel is sagging, what kind of stress is placed on the sheer strake?Not learned 303. 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 304. A vessel with a small GM will __________.Not learned 305. 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 306. VHF Channel 6 is used exclusively for what kind of communications?Not learned 307. 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 308. Yawing is angular motion of the vessel about what axis?Not learned 309. Which of the following describes the condition of Hypothermia?Not learned 310. A floating vessel will behave as if all of its weight is acting downward through which point?Not learned 311. Fire alarm system thermostats are actuated by which means?Not learned 312. Great Lakes vessels, using liferafts, must have sufficient liferaft capacity on each side of the vessel to accommodate how many persons onboard?Not learned 313. The Master of a fishing vessel must ensure that each crew member participates in at least one fire drill during which time frame?Not learned 314. What is the most serious effect of oxygen retained in a diesel engine jacket water cooling system?Not learned 315. What is the thickness of a 30.6-pound plate?Not learned 316. Which is required to be marked on the vessel's life preservers?Not learned 317. How does bleeding from a vein appear?Not learned 318. What should you do in order to initiate CPR on a drowning victim?Not learned 319. What is the main advantage of a steady stream of water on a class "A" fire?Not learned 320. You wish to communicate information that the swell in your area is 8-10 feet in height and from the northeast. How would you describe this swell, as defined in the International Code of Signals?Not learned 321. 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 322. How should the number "1" be pronounced when spoken on the radiotelephone?Not learned 323. When using the rainwater collection tubes on a liferaft, what should be done with the first collection?Not learned 324. 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 325. If the cause of a sudden severe list is negative initial stability, what may happen when counterflooding into empty tanks?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