Q209 - Deck General, USCG prep certification 2026

Progress: 24% (23/94)

Learning progress ?

1. Which of the following is the pipe used to connect two separate piping systems on a tank vessel?Not learned 2. A vessel constructed after 1970, carrying grades A, B, C or D cargoes, has enclosed spaces where sources of vapor ignition are normally present. What is not required for the segregation of these spaces from cargo tanks?Not learned 3. Which spaces are required to be segregated from cargo tanks carrying grades A, B, C, or D cargoes?Not learned 4. What is required of the access to a cargo pumproom on a tank vessel carrying grades A, B, C or D liquid cargoes?Not learned 5. The complete details of a crude oil washing system aboard your vessel, including the operating sequences and procedures, design characteristics, a description of the system, and required personnel will be found in the __________.Not learned 6. According to Coast Guard Regulations (46 CFR), when loading, or discharging oil in bulk at a dock, which of the following signals must be displayed?Not learned 7. Which of the signals listed is required to be displayed during the day while bunkering?Not learned 8. If you observe any situation which presents a safety or pollution hazard during fuel transfer operations, what action should you take FIRST?Not learned 9. During oil transfer operations, who is responsible for ensuring that the posted transfer procedures are followed?Not learned 10. Who has the authority to grant an alternate procedure for oil transfer operations?Not learned 11. Which method is used to supply inert gas from a flue gas system to the cargo tanks?Not learned 12. Where are remote readouts for oxygen concentration, pressure, and temperature of an inert gas system required to be located?Not learned 13. Your tankship has 40 gallons of 6% foam concentrate aboard. Approximately how much foam solution can be produced from this supply?Not learned 14. Which of the flash points would indicate a grade D combustible liquid?Not learned 15. Grade D liquids are those having flash points of __________.Not learned 16. For the purpose of regulating tank vessels, which defines the term flammable liquids?Not learned 17. The most likely location for a liquid cargo fire to occur on a tanker would be __________.Not learned 18. The only portable electrical equipment permitted in a compartment which is not gas free is a lamp that is __________.Not learned 19. Your tank vessels carrying grade B liquids. Regulations required that the cargo pumps be separated from all sources of vapor ignition by which item?Not learned 20. Which states the requirements for the access to a cargo pumproom in a tank vessel carrying grades C or D liquid cargo?Not learned 21. Which of the following is considered "discharge" as it applies to the pollution regulations?Not learned 22. Which of the following is required to have a Shipboard Oil Pollution Emergency Plan?Not learned 23. Which is an exception to the garbage discharge requirements in Annex V to MARPOL 73/78?Not learned 24. U.S. regulations require any tankship making a voyage of over 48 hours duration to conduct certain tests not more than 12 hours prior to leaving port. Which of the following must be tested to meet this requirement?Not learned 25. Which document will describe lifesaving equipment located aboard your vessel?Not learned 26. Your 100 gross tons non-oceangoing vessel is required to have a fixed piping system to discharge oily mixtures ashore. What is required at each outlet of this system?Not learned 27. To be in accordance with regulations for vessels carrying Liquefied Flammable Gases, what is the minimum requirement of locations for the cargo system remote controls of quick-closing shut off valves?Not learned 28. According to the Chemical Data Guide, which extinguishing agent should be used on a petrolatum fire in an open area?Not learned 29. According to the Chemical Data Guide, the flash point for the grade B flammable liquid piperylene is __________.Not learned 30. According to the Chemical Data Guide, which reactive group(s) is/are not compatible with the products polybutene and o-xylene?Not learned 31. According to Pollution Prevention Regulations (33CFR), who is required to sign each completed page in the Oil Record Book?Not learned 32. Which is an advantage of nylon rope over manila rope?Not learned 33. Which agency both assigns load lines, and issues Load Line Certificates?Not learned 34. Which agency assigns Load lines for U.S. vessels?Not learned 35. Which agency issues a certificate of loading that is evidence that the rules and regulations concerning bulk grain cargoes have been observed?Not learned 36. Which agency must approve the safety equipment on board inspected vessels?Not learned 37. To allow for the rise or fall in tide and for change in draft of a tankship during cargo transfer, how must the cargo hoses be secured?Not learned 38. On an anchor windlass, which is the proper term for the sprocketed wheel over which the anchor chain passes?Not learned 39. When anchoring a vessel under normal conditions, which scope of chain is recommended?Not learned 40. You are anchoring your vessel. When should you release and payout the anchor?Not learned 41. Annex V to MARPOL 73/78 contains requirements pertaining to the discharge into the marine environment of which item?Not learned 42. You are arriving in port and are assigned to anchor in anchorage circle B-4. It has a diameter of 600 yards and your vessel's LOA is 525 feet. If you anchor in 10 fathoms at the center of the circle, what is the maximum number of shots of chain you can use and still remain in the circle?Not learned 43. When an azimuth of the Sun has been taken and the deviation of the standard magnetic compass computed, the watch officer should record the results __________.Not learned 44. What best describes for how long a gas-free test is good?Not learned 45. Which is the BEST holding ground for conventional anchors?Not learned 46. Which is the BETTER holding ground, for a conventional anchor?Not learned 47. If you are bunkering and you close off one tank in the line of tanks being filled, what happens to the rate of flow to other open tanks on the same line?Not learned 48. If you are bunkering and you close off one tank in the line of tanks being filled, the rate of flow to other open tanks on the same line will __________.Not learned 49. When bunkering is complete, which is the correct procedure concerning the bunker hoses?Not learned 50. A cargo of fuel oil is loaded whose temperature is 66°F. API gravity is 36°. The volume correction factor (VCF) is .0005. A cargo temperature of 80°F is expected at the discharge port. If 9,000 barrels were loaded, how many gallons would you expect to unload?Not learned 51. Which cargo is suitable for carriage on Ro-Ro vessels?Not learned 52. How should cargo tank hatches be protected when the ullage opening is open and the tank NOT gas free?Not learned 53. Which certificate is issued by the American Bureau of Shipping?Not learned 54. Before being certified by the American Bureau of Shipping, anchor chain must undergo which process?Not learned 55. Which characteristic is an advantage of a butterfly valve as compared to a gate valve?Not learned 56. Which should you check before letting the anchor go?Not learned 57. In cleaning up an oil spill, which term depicts the main function of straw?Not learned 58. Coast Guard Regulations permit which of the following systems to be used for fire prevention and the simultaneous inerting of cargo tanks on tank vessels?Not learned 59. You have completed a Dangerous Cargo Manifest for dangerous cargoes loaded on board. It should be kept in a conspicuous location __________.Not learned 60. Under which condition is a Container vessels required to maintain an Oil Record Book?Not learned 61. You are conducting trials to determine the maneuvering characteristics of your vessel. While making a turn you take the ranges and bearings of an isolated light. The results are shown in illustration D034DG below. What is the transfer for a turn of 75°?Not learned 62. You are conducting trials to determine the maneuvering characteristics of your vessel. While making a turn, you take ranges and bearings of an isolated light. The results are shown in illustration D034DG below. What is the transfer for a turn of 90°?Not learned 63. Containers of flammable solids should be conspicuously labeled by the shipper with a __________.Not learned 64. Corrosive liquids and acids should have what kind of label?Not learned 65. You are on a course of 000°T and put the rudder right 30°. In which direction will the transfer be measured?Not learned 66. Which describes the "lay" of a line?Not learned 67. To determine the number of able seamen required on an inspected vessel, you should check which document?Not learned 68. To determine the number of inflatable liferafts required on a vessel, you should check which document?Not learned 69. To determine the number of portable fire extinguishers required on an inspected vessel, you should check which document?Not learned 70. You have determined the maneuvering characteristics of your vessel by taking the radar ranges and bearings of an isolated light while making a turn. The results are shown in illustration D035DG below. What is the transfer for a turn of 30°?Not learned 71. You have determined the maneuvering characteristics of your vessel by taking the radar ranges and bearings of an isolated light while making a turn. The results are shown in illustration D035DG below. What is the transfer for a turn of 60°?Not learned 72. You have determined the maneuvering characteristics of your vessel by taking radar ranges and bearings of an isolated light while making a turn. The results are shown in illustration D035DG below. What is the transfer for a turn of 90°?Not learned 73. What is the difference between net tonnage and gross tonnage?Not learned 74. When discharging a tanker, how can list be controlled?Not learned 75. Which term is sometimes used to refer to a disk with a horizontal line through its center, equivalent to the summer load line on a vessel?Not learned 76. Disregarding friction, what is the mechanical advantage of a twofold purchase when rove to disadvantage?Not learned 77. Which document lists all the lifesaving equipment required for a vessel?Not learned 78. Which document is NOT required by law to be posted aboard a vessel?Not learned 79. Which document shows details of a tank vessel, cargoes it may carry, manning and safety equipment required?Not learned 80. What can be done to prevent small oil spills on deck from going overboard?Not learned 81. When dropping anchor, you are stationed at the windlass brake. Which is the most important piece(s) of personnel protection equipment?Not learned 82. When is the effect of wind on exposed areas of the vessel most noticeable?Not learned 83. If an electric cargo winch is being used to lift a draft of cargo and the engine room loses all power, which will occur?Not learned 84. Which is an explosion hazard when exposed to flame?Not learned 85. A flame screen __________.Not learned 86. Flammable liquids should have what kind of label?Not learned 87. The flash point of vinyl chloride is __________.Not learned 88. Which of the following is not an acceptable unit of measure to be used consistently throughout an Oil Record Book?Not learned 89. Which of the following grade classifications is assigned to Camphor oil?Not learned 90. Which of the following is the primary function of the screens that are fitted to the fuel oil tank vents?Not learned 91. All of the following records are usually maintained by the watch-standing officers aboard a vessel EXCEPT the __________.Not learned 92. In a following sea, a wave has overtaken your vessel and thrown the stern to starboard. To continue along your original course, which action should you take?Not learned 93. Which of the following statements is/are TRUE concerning cranes being installed on the centerline of vessels?Not learned 94. Which of the following would be a good extinguishing agent for a grade B product of 1,3-Pentadiene?Not learned 95. The galley on your cargo vessel has an area of 2,900 square feet. What will fulfill the requirements for fire protection?Not learned 96. As a general rule, how will your vessel lie when it is drifting in a locale where there is no current?Not learned 97. Generally speaking, which is the most favorable bottom for anchoring your vessel?Not learned 98. You are going to load bales of wool having a stowage factor of 100 in #3 lower hold which has a bale cubic of 62,000. How many tons of the wool can be stowed in the compartment, assuming 10% broken stowage?Not learned 99. You are going to load bales of wool having a stowage factor of 96 in #3 lower hold which has a bale cubic of 84,000. How many tons of wool can be stowed in the compartment?Not learned 100. Grade E combustible liquids have a flash point of __________.Not learned 101. What is the group of markings shown in illustration D003DG below called?Not learned 102. In handling break bulk hazardous materials, it is forbidden to use __________.Not learned 103. You are heading into the sea during rough weather. What may happen if there is too much weight forward in your small boat?Not learned 104. What are the health hazard ratings for a product of triethylbenzene?Not learned 105. What does the helm command "Left twenty" mean?Not learned 106. What does the helm command "meet her" mean?Not learned 107. What does the helm command "Steady as you go" mean?Not learned 108. As you hold a piece of manila line vertically in front of you, the strands run from the lower right to the upper left. Which type of line is this?Not learned 109. No hot work shall be performed on board a vessel with hazardous materials as cargo unless the work is approved by the __________.Not learned 110. If a hydraulic pump on a winch accidentally stops while hoisting, the load will stay suspended because __________.Not learned 111. Ice concentration is measured in tenths. What concentration range of ice corresponds to 1- 3 tenths?Not learned 112. Ice concentration is measured in tenths. What concentration range of ice corresponds to "Open Pack"?Not learned 113. An icebreaker assisting a vessel through an ice field displays a visual signal consisting of the code letter "S" (Sierra). What does this signal indicate?Not learned 114. Under identical load conditions, nylon, when compared with natural fiber line, will respond in which manner?Not learned 115. Which international body is responsible for drafting the MARPOL convention prohibiting marine pollution?Not learned 116. On an international voyage, how many fire axes is a cargo vessel of 14,000 GT required to carry?Not learned 117. What is the MOST irritating to the skin?Not learned 118. Which item is designed to be a safety stopper that prevents the anchor cable from running free if the cable jumps the wildcat?Not learned 119. Which item indicates the maximum draft to which a vessel can legally be submerged?Not learned 120. Which item is a journal kept by the officer of the watch in which day to day happenings are recorded regarding the deck department?Not learned 121. Keeping the draft at or below the load line mark will ensure that the vessel has which of the following?Not learned 122. The most likely time for oil pollution while bunkering is when __________.Not learned 123. You will load class 1.2 commercial explosives and need to construct a portable magazine. Which is a requirement of the magazine?Not learned 124. During loading, what is the minimum pressure required to be maintained by the inert gas system on cargo tanks?Not learned 125. You are loading propanolamine and spill a small quantity on deck. According to the Chemical Data Guide, you would expect its odor to be __________.Not learned 126. Which statement is TRUE when loading a tanker?Not learned 127. You are loading in the winter in Albany, N.Y., for a voyage to a port governed by the tropical load line mark. Which of the following statements is TRUE? (Hydrometer reading in Albany is 1.000)Not learned 128. How long are the records of tests and inspections of a cargo vessel's fire extinguishing systems required to be kept on board?Not learned 129. What is the main function of the core of a wire rope?Not learned 130. How is the main underdeck pipeline on a tankship connected to individual tanks?Not learned 131. How many months after its expiration date may a Coast Guard credential be renewed without retaking the complete exam?Not learned 132. A marine chemist issues gas free certificates and is certified by which organization?Not learned 133. The Master must maintain the Oil Record Book on board for which duration?Not learned 134. What is the maximum percent of oxygen, by volume, allowed to be maintained in the cargo tanks prior to the commencement of crude oil tank washing?Not learned 135. What is the meaning of a flag hoist consisting of the code letters "WM" (Whiskey Mike) when displayed by an icebreaker?Not learned 136. What is the mechanical advantage, neglecting friction, of tackle number 5 as shown in illustration D029DG below?Not learned 137. What is the mechanical advantage of tackle number 1 as shown in illustration D029DG below?Not learned 138. What is the minimum number of fire pumps required on a cargo vessel of 900 GT?Not learned 139. What is the minimum standard for making an eye splice in a wire to be used as cargo gear?Not learned 140. Cargo pumprooms on tank vessels, constructed in 1965, handling grade C liquid cargo shall have power ventilation systems. What is time requirement for these ventilation systems to completely change the air?Not learned 141. Which is the length of a standard "shot" of anchor chain?Not learned 142. What is the mechanical advantage of tackle number 3 as shown in illustration D029DG below?Not learned 143. Which mooring line checks forward motion of a vessel at a pier?Not learned 144. What is the name of tackle number 12 as shown in illustration D029DG below?Not learned 145. What is the name of tackle number 3 as shown in illustration D029DG below?Not learned 146. What is the name of tackle number 5 as shown in illustration D029DG below?Not learned 147. You are operating an ocean-going vessel of 322 gross tons. If your vessel does NOT have an oily-water separator then she must have a fixed piping system to discharge oily ballast to a shore facility. This system must include which item(s)?Not learned 148. Which is NOT a part of an anchor?Not learned 149. Which part of a windlass physically engages the chain during hauling or paying out?Not learned 150. On a passenger vessel over 400 gross tons, in which section are the routine entries recorded in the Oil Record Book?Not learned 151. If your propeller is racing in rough weather, which action should you take?Not learned 152. Providing you are not in a special area, such as the Mediterranean or Red Sea, how many nautical miles from land must you be to throw packing materials that will float into the sea to be in compliance with MARPOL Regulations?Not learned 153. Providing you are not in a special area, such as the Mediterranean or Red Sea, how many nautical miles from land must you be to throw wooden dunnage into the sea?Not learned 154. Which is a requirement of a vessel in ocean service that does not have an approved means of processing oily bilge slops or oily ballast?Not learned 155. As a ship moves through the water, it causes a wake, which is also moving forward relative to the sea. In addition to a fore and aft motion, which direction will the wake flow?Not learned 156. As a ship moves through the water, it drags with it a body of water called the wake. Which term defines the ratio of the wake speed to the ship's speed?Not learned 157. If you shorten the scope of anchor cable, what is the effect of your anchor's holding power?Not learned 158. As soon as the officer in charge of the vessel has taken steps to stop the discharge of oil or oily mixture into a U.S. harbor, what must they do FIRST?Not learned 159. You are standing the wheel watch on entering port and the Master gives you a rudder command which conflicts with a rudder command from the Pilot. What should you do?Not learned 160. Which statement defines the term "gross tonnage"?Not learned 161. Which statement is TRUE?Not learned 162. Which term defines when a boat turns broadside to heavy seas and winds, thus exposing the boat to the danger of capsizing?Not learned 163. Which term defines "An electronic or electric device that indicates the rate of turn of a vessel"?Not learned 164. Which term defines the process of dividing the total volume of the ship in cubic feet (after omission of exempted spaces) by 100?Not learned 165. Which term defines when a vessel is swinging from side to side off course due to quartering seas?Not learned 166. Which term is given to the placing a lashing across a hook to prevent a fitting from slipping out of the hook?Not learned 167. You are transporting dangerous cargo on your vessel. Who is required to sign the Dangerous Cargo Manifest acknowledging the correctness of the document?Not learned 168. A U.S. Coast Guard icebreaker, while escorting ships in ice, has sounded four short and one long blasts on the whistle. What does this indicate?Not learned 169. You are underway in heavy weather and your bow is into the seas. Which action should you take to prevent pounding?Not learned 170. Your vessel is broken down and rolling in heavy seas. How can you reduce the danger of capsizing?Not learned 171. You are on watch while your vessel is entering port with a pilot conning. The pilot gives a steering command to the helmsman who fails to acknowledge it by repeating the command. You should immediately take which action?Not learned 172. What would be the amount of strain on each runner of a married fall system lifting 2000 lbs. when the angle made by the legs is 90°?Not learned 173. When would a U.S. merchant vessel in ocean service NOT subject to the requirements of Annex V to MARPOL 73/78?Not learned 174. Regulations require that cargo pumps in tank vessels carrying grade D liquid cargo shall be isolated from sources of vapor ignition by which means?Not learned 175. If you must pump bilges while a vessel is in port, which is the proper method?Not learned 176. Who must sign the Declaration of Inspection made before oil transfer operations?Not learned 177. Which is the requirement for the name and hailing port of a documented commercial vessel?Not learned 178. What is the name of the mark indicated by the letter E in illustration D003DG below?Not learned 179. What is the name of the mark indicated by the letter D in illustration D003DG below?Not learned 180. What is the name of the mark indicated by the letter A in illustration D003DG below?Not learned 181. The possibility of wake damage can be reduced by following which action?Not learned 182. Which is the root cause of wake damage to a vessel or structure in a narrow channel?Not learned 183. Nonflammable gases should have what kind of label?Not learned 184. Under normal operating conditions aboard a ship, who has the overall responsibility in maintaining the Oil Record Book?Not learned 185. What normally helps in detecting escaping gas?Not learned 186. The number of certificated able seamen and lifeboatmen required on a vessel is determined by which organization?Not learned 187. The official logbook is filed with the Officer in Charge, Marine Inspection. When does this action take place?Not learned 188. Which is TRUE concerning the official number of a documented vessel?Not learned 189. What is one of the functions of the stud in the anchor chain?Not learned 190. One shot of anchor chain is equal to how many feet (meters)?Not learned 191. When more than one vessel is being assisted by an icebreaker, distances between vessels should be constant. Which signal should be given by a vessel which is ahead of another and whose speed suddenly begins to drop?Not learned 192. In order to determine the health hazard data for carbolic acid, you would use that information contained in the Chemical Data Guide for which chemical?Not learned 193. You are ordering a new block to use with a 3-inch circumference manila line. Which represents a proper size block for this line?Not learned 194. You are ordering ships' stores that are NOT consumer commodities. Which statement is TRUE?Not learned 195. You are ordering hazardous ships' stores. Which statement is TRUE?Not learned 196. Which part of an anchor actually digs into the bottom?Not learned 197. Which part of the patent anchor performs the same function as the stock of an old-fashioned anchor; that is, forces the flukes to dig in?Not learned 198. When the period of beam seas equals the natural rolling period of a vessel, what will most likely occur?Not learned 199. What is the period of validity of a Merchant Mariner Credential?Not learned 200. What is the period of validity of a Safety Management Certificate?Not learned 201. The piping that routes an oil cargo from the manifold directly to a cargo tank and serves only one tank is known as a __________.Not learned 202. You are planning the stowage of two incompatible products on your multiple-product tankship. What will NOT provide the minimum required segregation?Not learned 203. Under the Pollution Regulations, which action is required when you dump food wastes in the sea?Not learned 204. Which portable fire extinguisher is classified as a type B-III extinguisher?Not learned 205. Portable fire extinguishers must be provided for the cargo tank area of an unmanned tank barge __________.Not learned 206. Which is a precaution you should take before bunkering?Not learned 207. You are preparing to slush a stay on your vessel by lowering yourself down the stay in a bosun's chair. The proper way to do this is to ride down the stay on a riding shackle in which configuration?Not learned 208. What is the primary purpose of a load line?Not learned 209. Which publication would give detailed information on the commercial vessel traffic reporting system for connecting waters from Lake Erie to Lake Huron?Not learned 210. What is the purpose of a check valve?Not learned 211. In relation to the turning circle of a ship, which defines the term "transfer"?Not learned 212. When being relieved of the helm, the new helmsman would find it handy to know which of the following?Not learned 213. Which is NOT a required entry in the ship's Official Logbook?Not learned 214. The "rolling hitch" could be used to accomplish which task?Not learned 215. The securing systems for containers were developed to prevent container movement during which ship motion?Not learned 216. To serve as a person in charge of transfer operations on board a self-propelled tank vessel, an individual must hold/be which of the following?Not learned 217. Severe exposure to chlorine gas can be fatal. Chlorine gas is primarily a __________.Not learned 218. The transfer procedures required to be followed on tankships shall contain which item?Not learned 219. Your ship has loaded 20,000 barrels of crude oil, departing Valdez, Alaska for San Francisco. When loaded the cargo temperature was 96°F. API was 15°. The volume correction factor (VCF) is .0004. If the cargo temperature is expected to be 56°F at the discharge port, how many barrels will be offloaded?Not learned 220. Your ship has loaded 6,000 barrels of gasoline, at a cargo temperature of 50°F, departing New Jersey bound for Florida. API gravity is 55°. The volume correction factor (VCF) is .0006. How many barrels would you expect to unload if the cargo temperature is 90°F at the discharge port?Not learned 221. Which of the signals listed is required to be displayed at night while bunkering at a dock?Not learned 222. A single fitting installed in a pipeline that either blanks off the pipe or allows a full flow passage of a liquid through the pipe is referred to as a __________.Not learned 223. Small floes of rough, hummocky sea ice are capable of damaging a vessel. Which statement is TRUE?Not learned 224. Which space(s) on your cargo vessel must have a fire detection system?Not learned 225. The space containing the cylinders for the carbon dioxide (CO2) fire extinguishing system must be designed to preclude an anticipated ambient temperature in excess of which temperature?Not learned 226. While standing look-out at night, which is the BEST way to see a dim light on the horizon?Not learned 227. Which statement concerning castor oil is TRUE?Not learned 228. Which statement about entering into a tank which has been sealed for a long time is TRUE?Not learned 229. Which statement about the pressure in a tank being inerted by an inert gas system is TRUE?Not learned 230. Which statement about splices is TRUE?Not learned 231. Which statement is TRUE concerning buoyant work vests aboard tank vessels?Not learned 232. Which statement is TRUE concerning the vessel's slipstream?Not learned 233. Static electricity may be built up by the __________.Not learned 234. Which is supplied to the vessel by the U.S. Coast Guard?Not learned 235. When talking about wire rope, what does the lay of the wire refer to?Not learned 236. The tank barge on which you are preparing to load petroleum is required to have on board one B-II fire extinguisher. What does NOT meet this requirement?Not learned 237. Your tank barge requires repairs that include welding. Who normally would issue a gas-free certificate?Not learned 238. When tank cleaning with a portable machine, the weight of the machine is suspended from __________.Not learned 239. On tank vessels, fully charged fire extinguishers are considered semi-portable when they have a gross weight of more than __________.Not learned 240. A tank vessel transferring non-flammable hazardous cargo in bulk must display warning signs. These signs must __________.Not learned 241. A tanker is loaded with 5,000 barrels of petroleum. The cargo was loaded at a temperature of 70°F, and the coefficient of expansion is .0004. What is the net amount in barrels of cargo loaded?Not learned 242. Your tankship is carrying a 30% solution of hydrogen peroxide. The cargo containment system must have a permanent inert gas system. While discharging this cargo the inert gas system must maintain a minimum pressure of __________.Not learned 243. Which term(s) are in the category of "oil" as used in the Oil Pollution Regulations?Not learned 244. Which term describes a rope in which three right-handed strands are laid up left-handed?Not learned 245. You are transferring a cargo of ethyl chloride and a small amount spills into the water around your vessel. What does the Chemical Data Guide indicate is the solubility of ethyl chloride in water?Not learned 246. The turning circle of a vessel making a turn over 360 degrees is the path followed by which item?Not learned 247. Which type of ice is a hazard to navigation?Not learned 248. Which type of line floats?Not learned 249. Which type of line would have the LEAST resistance to mildew and rot?Not learned 250. Which type of link is generally used to connect shots of anchor chain?Not learned 251. Which type of portable electrical equipment is permitted for use in a compartment that is not gas free?Not learned 252. Upon completion of a voyage, where shall the official logbook shall be filed?Not learned 253. You are using an automatic tension winch by yourself. If you get caught in the turns of the line as they lead into the gypsyhead __________.Not learned 254. Using the available references, if the dry bulb temperature is 98°and the wet bulb temperature is 87°, what is the relative humidity in a cargo hold?Not learned 255. Using illustration D058DG below, which of the figures is the preferred method of forming a temporary eye splice using wire rope clips?Not learned 256. Using a safety factor of 6, determine the safe working load of a line with a breaking strain of 30,000 pounds.Not learned 257. Using a scope of 6, determine how many feet of anchor cable you should put out to anchor in 12 feet (3.7 meters) of water.Not learned 258. You are using tackle number 12 as shown in illustration D029DG below to lift a weight. The hauling part of this tackle is bent to the weight hook (w) of tackle number 2. What is the mechanical advantage of this rig?Not learned 259. What is the Vapor pressure of ethylene oxide at 46°C?Not learned 260. Which variable factor affects the initial lashing requirements aboard Ro-Ro vessels?Not learned 261. Your vessel (185 GT) is on a voyage between New York and San Francisco. Which statement is TRUE?Not learned 262. Your vessel is being assisted through an ice field in Thunder Bay by the Canadian Coast Guard icebreaker Alexander Henry. The starboard lookout reports that the icebreaker has run up the code flag "N" (November). Which action should you take?Not learned 263. Your vessel is carrying 24,000 barrels of oil for discharge. The cargo hoses have an inside diameter of eight inches. What is the minimum capacity of the container around the loading manifold?Not learned 264. Which vessel is required by regulations to have an Official Logbook?Not learned 265. Most of your vessel's superstructure is forward. How will the vessel lie when drifting with no way on?Not learned 266. Your vessel is taking on fuel when a small leak develops in the hose. You order the pumping stopped. Before you resume pumping, you should __________.Not learned 267. When is a vessel wind rode?Not learned 268. You are on watch at night in clear visibility and the vessel has just been anchored. What is the first thing that you should do after the anchor has been let go?Not learned 269. While on watch at sea you must maintain a proper lookout at all times. On a 700-foot cargo vessel being hand-steered during daylight hours in good visibility and clear of any navigational hazards, who may be the lookout?Not learned 270. You are a watchstanding mate and have come to the bridge to relieve the watch. After reviewing the chart and having been briefed by the off-going mate, you are now ready to affect the relief. When is the watch officially transferred to you?Not learned 271. The weight of the container and its contents is supported on deck by what part(s)?Not learned 272. Where would you find a list of the lifesaving equipment onboard your supply boat?Not learned 273. In writing up the logbook at the end of your watch, you make an error in writing an entry. What is the proper means of correcting this error?Not learned 274. When steering a vessel, which of the following will an effective helmsman do?Not learned 275. Carbon dioxide cylinders which protect machinery spaces, paint lockers and tanks may be located within those spaces when the amount of carbon dioxide does not exceed which amount?Not learned 276. Your vessel is running in a following sea. Which term defines the motion your vessel is experiencing?Not learned 277. What is generally the first action in extinguishing a liquefied gas fire caused by escaping gas?Not learned 278. Which mooring line has the most elastic elongation?Not learned 279. Which statement is TRUE?Not learned 280. An icebreaker assisting a vessel through an ice field would display a visual signal consisting of the code letter "M" (Mike). What does this signal signify?Not learned 281. A vessel that has which of the following will ensure that it will keep its draft at or below the load line mark?Not learned 282. An icebreaker assisting a vessel through an ice field would display a visual signal consisting of the code letter "E" (Echo). What does this signal indicate?Not learned 283. What is the name of the mark indicated by the letter F in illustration D003DG below?Not learned 284. Under normal weather and sea conditions when securing a stack of containers with non-locking fittings, lashings are required when the tier exceeds what height?Not learned