Q158 - Navigation and Deck General/Safety, USCG prep certification 2026

Progress: 24% (23/94)

Learning progress ?

1. Which is usually the most gentle way of riding out a severe storm on a larger vessel?Not learned 2. A vessel having continuous closely spaced transverse strength members is __________.Not learned 3. You are planning to use a crude oil washing system. What precaution must be taken with the source tank for the washing machines?Not learned 4. You have water washed your cargo tanks using the fixed machines. What should you do before using portable machines to clean areas screened from the wash of the fixed machine by structural members?Not learned 5. 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 6. Your tank vessel is loaded down to her marks, and you find that she has too much trim by the stern. Which of the following actions would reduce the excessive trim?Not learned 7. Your tank vessel is fully loaded, and you find that she is down slightly by the head. To adjust the trim, you may __________.Not learned 8. What functions due reliquification plants perform?Not learned 9. In an inert gas system, high pressure alarms are set in the main vapor collection line to cause an audible and visual alarm if the pressure reaches a certain level. What is the percentage of the lowest relief valve setting at which the alarm must sound?Not learned 10. 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 11. Which is one of the limitations of foam as an extinguishing agent?Not learned 12. Which portable fire extinguisher should be used on a class C fire on board a vessel?Not learned 13. Recharging a previously used cartridge-operated dry chemical fire extinguisher is accomplished by __________.Not learned 14. Your tankship has 40 gallons of 6% foam concentrate aboard. Approximately how much foam solution can be produced from this supply?Not learned 15. The carbon dioxide cylinders of a fixed fire extinguishing system may be located inside the protected space, if the quantity of CO2 required to protect that space is not more than which amount?Not learned 16. 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 17. According to U.S. regulations, how many emergency outfits are required to be carried onboard all tankships over 1,000 gross tons?Not learned 18. According to Coast Guard Regulations (46 CFR 30), a flammable liquid with a Reid vapor pressure of 8-1/2 psi or less, and a flash point of 80°F or below, is a grade __________.Not learned 19. A petroleum liquid has a flash point of 85°F. This is a grade __________.Not learned 20. Why is gas-freeing rarely required for LPG cargo tanks?Not learned 21. What is the most common liquefied gas cargo?Not learned 22. Where is a permanently installed system of gas detection required?Not learned 23. Which of the following describes a chemical gas?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. Where should muster lists be posted?Not learned 26. All personnel on board a vessel should be familiar with the rescue boat's __________.Not learned 27. 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 28. When can a work vest be substituted for a lifejacket in the total count of the required lifesaving gear?Not learned 29. If your vessel is equipped with inflatable liferafts, how should they be maintained?Not learned 30. The center of volume of the immersed portion of the hull is given which term?Not learned 31. The important initial stability parameter, GM, is which of the following?Not learned 32. With no environmental forces acting on the vessel, the center of gravity of an inclined vessel is vertically aligned with the __________.Not learned 33. Which term defines the difference between the forward and aft drafts?Not learned 34. When a wind force causes a floating MODU to heel to a static angle, the __________.Not learned 35. When should the control of flooding of your vessel be addressed?Not learned 36. After measuring the length to which a section of shoring should be cut, you should cut the shoring __________.Not learned 37. Repairing damage to the hull at or above the waterline reduces which threat?Not learned 38. The order of importance in addressing damage control is __________.Not learned 39. Which is the best action to take when plugging holes below the waterline for the safety of the vessel?Not learned 40. Which term describes the strengthening of damaged bulkheads by using wood or steel?Not learned 41. In plugging submerged holes; why are rags, wedges, and other materials used in conjunction with plugs?Not learned 42. When shoring a damaged bulkhead, effort should be taken to spread the pressure over the __________.Not learned 43. The overspeeding of the diesel engine driving an electric generator could cause __________.Not learned 44. According to regulations when, if ever, may cargo hatches on Great Lakes vessels, with more than 6 feet of freeboard, be left uncovered or open while the vessel is being navigated?Not learned 45. Which action reduces the yawing of a vessel in a following sea?Not learned 46. Which agency assigns Load lines for U.S. vessels?Not learned 47. Which agency must approve the safety equipment on board inspected vessels?Not learned 48. When anchoring in a clay bottom, what is one hazard that may cause the anchor to drag?Not learned 49. Annex V to MARPOL 73/78 contains requirements pertaining to the discharge into the marine environment of which item?Not learned 50. While assigned to a 106 GRT vessel, you are required to sign "foreign" articles on a voyage from San Francisco to which port?Not learned 51. A B-II fire extinguisher has a minimum capacity of __________.Not learned 52. A block and tackle is "rove to advantage". What does this mean?Not learned 53. The boom stops on a pedestal crane prevent the boom from __________.Not learned 54. A breeches buoy is being rigged from the shore to a stranded vessel. The initial shot line passed to the vessel is normally made fast to a __________.Not learned 55. Which term defines cargo that is highly susceptible to damage by tainting from odorous cargo?Not learned 56. Under the Carriage of Goods by Sea Act of 1936, a vessel will be liable for damage to cargo when the damage arises from which situation?Not learned 57. Under the Carriage of Goods by Sea Act of 1936, a vessel will be liable for damage to cargo when the damage arises out of which situation?Not learned 58. Which is characteristic of a "special cargo"?Not learned 59. When cleaning cargo tanks with portable machines, how is the machine grounded?Not learned 60. Which condition must be met during a stability test on an inspected vessel?Not learned 61. You are the credentialed Master of a 100 GT towing vessel sailing coastwise. What percentage of the deck crew must be able to understand any order spoken by the officers?Not learned 62. Deck foam systems, designed to protect cargo areas on tank vessels built after January 1, 1975, must have a supply of foam-producing material to operate the system at its designed rate of foam production for __________.Not learned 63. Deckhands onboard towing vessels shall be divided into 3 watches when on a trip exceeding what length?Not learned 64. To determine the weight capacity of a deck in a cargo hold, which reference would you refer to?Not learned 65. When discharging a tanker, how can list be controlled?Not learned 66. Disregarding friction, what is the mechanical advantage of a twofold purchase when rove to disadvantage?Not learned 67. Which document is NOT required by law to be posted aboard a vessel?Not learned 68. Which of the following is considered to be a B-II portable fire extinguisher?Not learned 69. Which of the following grade classifications is assigned to Camphor oil?Not learned 70. Which of the following statements is/are TRUE in regard to Ro-Ro vessels' spaces that are "specially suitable for vehicles"?Not learned 71. Which of the following statements is/are TRUE in regard to Ro-Ro vessels' spaces which are "specially suitable for vehicles"?Not learned 72. Which of the following statement(s) is/are TRUE regarding twin pedestal cranes?Not learned 73. The force acting on a single cargo runner which is vertically lifting or lowering a load is greatest when __________.Not learned 74. The galley on your cargo vessel has an area of 2,900 square feet. What will fulfill the requirements for fire protection?Not learned 75. Which is TRUE of the Great Lakes Edition of the Notice to Mariners?Not learned 76. 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 77. On a hydrocarbon flammability chart the line which extends from 0% to 21.8% oxygen, lying tangent to the flammability range, is called the __________.Not learned 78. On an inspected vessel, when may a stability test be dispensed with?Not learned 79. On an inspection of your tankship you notice that there are no portable fire extinguishers in the pumproom. Which is TRUE when complying with regulations?Not learned 80. On an inspection of your tankship you notice that there are no portable fire extinguishers in the pumproom. Which is TRUE when complying with regulations?Not learned 81. Which international body is responsible for drafting the MARPOL convention prohibiting marine pollution?Not learned 82. On an international voyage, a cargo vessel of 1,000 GT or more operating two fire pumps simultaneously is required to have a minimum pitot tube pressure from the two highest outlets. What is the minimum required pressure?Not learned 83. Which item do you NOT have to provide for the Coast Guard representative at the time of a stability test?Not learned 84. For a jack-up, the angle of maximum stability corresponds approximately to the angle of __________.Not learned 85. If you are loading fruit in reefer spaces and you notice that the fruit is beginning to mold, which action should you take?Not learned 86. You are loading at port A, governed by the summer load line mark, for a voyage to port B, governed by the winter mark. The fresh water allowance is 10", and the hydrometer reads 1.020. Which statement is TRUE?Not learned 87. The master or individual in charge of a vessel prepares a certificate of discharge for each mariner being discharged from the vessel. Which party receives the original copy?Not learned 88. The Master may require part of the crew to work when needed for which function?Not learned 89. If the Master of a US-flag towing vessel replaces any crew member with a non-US citizen, he/she must ensure which of the following?Not learned 90. What is the mechanical advantage of tackle number 1 as shown in illustration D029DG below?Not learned 91. Which is the BEST action to take if your vessel is dragging her anchor in a strong wind?Not learned 92. Which is the BEST method of determining if a vessel is dragging anchor?Not learned 93. How does a drift lead indicate that the vessel is dragging anchor?Not learned 94. Maritime Administration personnel may be allowed in the pilothouse and on the navigation bridge. Who is responsible for these personnel while in these areas of the vessel?Not learned 95. What is the mechanical advantage, neglecting friction, of tackle number 12 as shown in illustration D029DG below?Not learned 96. What is the mechanical advantage of tackle number 3 as shown in illustration D029DG below?Not learned 97. What is the mechanical advantage of tackle number 6 as shown in illustration D029DG below?Not learned 98. What is the mechanical advantage of tackle number 7 as shown in illustration D029DG below?Not learned 99. What is the name of tackle number 5 as shown in illustration D029DG below?Not learned 100. What is the name of tackle number 7 as shown in illustration D029DG below?Not learned 101. What is one of the main purposes of dunnage?Not learned 102. You are planning to anchor in an area where several anchors have been lost due to fouling. What precaution should you take?Not learned 103. Which term describes the process of lowering a boom to a horizontal position and onto its deck support?Not learned 104. If your propeller is racing in rough weather, which action should you take?Not learned 105. Which is the proper term for a band or collar on the top end of a boom to which the topping lift, midships guy, and outboard guys are secured?Not learned 106. When running before a heavy sea, what will moving weights aft on the vessel accomplish?Not learned 107. The stowage factor for a cargo is based cubic feet and which other item?Not learned 108. A survey of refrigerated cargo, to certify that proper methods of stowage were utilized, can be conducted by which organization?Not learned 109. In the United States, which organization sets the load line markings?Not learned 110. Your vessel is broken down and rolling in heavy seas. How can you reduce the danger of capsizing?Not learned 111. A vessel has been surveyed in a foreign port and found unseaworthy as a result of neglect. A seaman on this vessel is entitled to discharge and which of the following?Not learned 112. Who must approve the vessel's trim and stability booklet?Not learned 113. Who must ensure that the emergency lighting and power systems on cargo vessels are operated at least weekly?Not learned 114. Where must a pressure gauge for each fire pump on a tankship be located?Not learned 115. What is the name of the mark indicated by the letter E in illustration D003DG below?Not learned 116. What is the name of the mark indicated by the letter D in illustration D003DG below?Not learned 117. What is the name of tackle number 1 as shown in illustration D029DG below?Not learned 118. How is the number of pounds of carbon dioxide required for each cargo space on a cargo vessel computed?Not learned 119. Which part of a conventional cargo gear rig provides for vertical control and positioning of a boom?Not learned 120. Which party must ensure that legal work hour limitations (for both officers and crew members), rest periods and regulations governing work on Sundays and holidays are followed when the vessel is in a safe harbor?Not learned 121. When patching holes in the hull, how can pillows, bedding, and other soft materials be used?Not learned 122. Pedestal cranes have limit switches to restrict the movement of which function?Not learned 123. When the period of beam seas equals the natural rolling period of a vessel, what will most likely occur?Not learned 124. Portable fire extinguishers must be provided for the cargo tank area of an unmanned tank barge __________.Not learned 125. What provides little or no indication that a vessel is dragging anchor?Not learned 126. What provides little or no indication that a vessel is dragging anchor?Not learned 127. When referring to quantity of barite in a P-tank, ullage is the __________.Not learned 128. What are the required number and type of hand portable fire extinguishers to be carried, in the vicinity of the radio room exit, on a tank vessel on an international voyage?Not learned 129. Who is responsible for establishing watches aboard a U.S. vessel?Not learned 130. On a sea going towing vessel of 150 gross tons, there are six (6) seamen in the deck crew. How many certificated able seamen are required if the voyage is over 600 miles?Not learned 131. A seaman you have just discharged from an Oceanographic Research Vessel has a Continuous Discharge Book. Which statement is TRUE?Not learned 132. When is a seaman entitled by law to a release from Foreign Articles?Not learned 133. A seaman leaves a vessel before it sails from a foreign port. He informs the Chief Officer that he won't return. After the vessel sails, the Chief Officer finds the seaman's work clothes in his locker. How should the Master handle this matter?Not learned 134. Which term is given to the process of separating both blocks of a tackle to prepare it for reuse?Not learned 135. On a ship's crane, the load chart relates the allowable load to the combination of the boom length and __________.Not learned 136. How should you signal the crane operator to stop in an emergency?Not learned 137. How should you signal the crane operator to use the main hoist?Not learned 138. The signal man assisting the crane operator has his arm extended, his fingers closed, and his thumb pointing downward. This is the signal to __________.Not learned 139. In which situation could a vessel most easily capsize?Not learned 140. What size block shell should be used with a 4-inch manila line?Not learned 141. A sling is a device used in which operation?Not learned 142. When a small craft's anchor fouls in a rocky bottom, how should the first attempt to clear it be made?Not learned 143. Which space(s) on your cargo vessel must have a fire detection system?Not learned 144. Which statement about the deck line is TRUE?Not learned 145. What is the total number of approved low-velocity water spray ("water-fog") applicators required aboard a tankship?Not learned 146. Who carries the total responsibility for shipping and discharging the seamen on a vessel?Not learned 147. Which is a TRUE statement concerning the examining of cargo equipment at the time of a vessels Inspection for Certification?Not learned 148. A tug should not come alongside a tank vessel in way of its cargo tanks while it is loading grade A, B, or C cargo without the permission of the __________.Not learned 149. The two courses of action if the underwater hull is severely damaged are to plug the openings or to take which action?Not learned 150. Which type of hull damage on a floating MODU should be repaired first?Not learned 151. What type of liquid is used in the liquid P/V breaker?Not learned 152. You are using tackle number 12 shown in illustration D029DG below to lift a weight of 300 lbs. If you include 10 percent of the weight for each sheave for friction, what is the pull on the hauling part required to lift the weight?Not learned 153. You are using tackle number 4 as shown in illustration D029DG below to lift a weight. The hauling part of this tackle is bent to the weight hook of tackle number 11. What is the mechanical advantage of this rig?Not learned 154. You are using tackle number 6 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 8. Disregarding friction, what is the mechanical advantage of this rig?Not learned 155. You are using tackle number 8 in illustration D029DG below to lift a weight of 100 lbs. If you include 10 percent of the weight for each sheave for friction, what is the pull on the hauling part required to lift the weight?Not learned 156. Usually the most gentle way of riding out a severe storm on a larger vessel is __________.Not learned 157. On vessels over 100 gross tons, whose responsibility is it to ensure that all able seamen in the vessel's crew have the documents and qualifications required by law and regulation?Not learned 158. On a vessel of 125,000 GT on an international voyage, how many international shore connection flange(s) is the vessel required to maintain onboard?Not learned 159. Your vessel is anchored in an open roadstead with three shots of chain out on the port anchor. The wind freshens considerably, and the anchor begins to drag. Which action should you take FIRST?Not learned 160. When the vessel is on coastwise articles, what is done to the original certificate of the seaman's certificate of discharge?Not learned 161. Your vessel is on an extended foreign voyage. Several vacancies have occurred in your unlicensed crew through sickness and repatriation. Which statement is correct?Not learned 162. Your vessel is issued a load line certificate dated 27 May 1992. Which is an acceptable date for one of the surveys for endorsements?Not learned 163. Your vessel is off a lee shore in heavy weather and laboring. Which action should you take?Not learned 164. Your vessel has the symbol shown in illustration D022DG below inscribed on the side. Which statement concerning this symbol is TRUE?Not learned 165. How can the accuracy of an azimuth circle be checked?Not learned 166. The Brazil Current flows in which general direction?Not learned 167. Which is TRUE of the term coastal current?Not learned 168. Which is TRUE when a current flows in the opposite direction to the waves?Not learned 169. Which current is responsible for the movement of large quantities of ice into the North Atlantic shipping lanes?Not learned 170. If the current and wind are in the same direction, what does the sea surface represent concern the true wind speed?Not learned 171. Which current would you encounter on a direct passage from London, England, to Cape Town, South Africa?Not learned 172. Which is TRUE for the directive force acting on a gyrocompass?Not learned 173. What is the distance from the bottom of a wave trough to the top of a wave crest?Not learned 174. What is the gyrocompass error resulting from your vessel's movement in OTHER than an east-west direction?Not learned 175. How long would a steady wind need to blow in order to create a wind driven current?Not learned 176. Which may cause above-normal tides near the center of a hurricane?Not learned 177. In mid-ocean, the characteristics of a wave are determined by three factors. What is NOT one of these factors?Not learned 178. In which months will the North Equatorial Countercurrent be strongest?Not learned 179. Which term defines the ocean bottom that extends from the shoreline out to an area where there is a marked change in slope to a greater depth?Not learned 180. Quadrantal error in a gyrocompass has its GREATEST effect on which of the following?Not learned 181. What is the reaction of a gyrocompass to an applied force known as?Not learned 182. In shallow water, waves that are too steep to be stable, causing the crests to move forward faster than the rest of the wave. This occurrence describes which term?Not learned 183. As the South Equatorial Current approaches the east coast of Africa, it divides with the main part flowing south to form which current?Not learned 184. Which statement about gyrocompass error is TRUE?Not learned 185. What is a system of reservoirs and connecting tubes in a gyro compass called?Not learned 186. Which term is used to describe the time interval between successive wave crests?Not learned 187. The velocity of the wind, its steady direction, and the amount of time it has blown determines what about a wind driven current?Not learned 188. On a voyage from Halifax, N.S., to Dakar, West Africa, the Canary Current will __________.Not learned 189. On 1 September your 1115 zone time DR position is LAT 25°20.0'N, LONG 28°24.0'W. At that time, you observe the Sun bearing 160.5°psc. The chronometer reads 01h 14m 58s, and the chronometer error is 01m 17s fast. The variation is 13.5°W. What is the deviation of the standard compass?Not learned 190. On 13 October your vessel's 1722 zone time DR position is LAT 27°36'S, LONG 136°16'E, when an amplitude of the Sun is observed. The Sun's center is on the celestial horizon and bears 266° per standard magnetic compass. Variation in the area is 2°W. The chronometer reads 08h 24m 19s and is 01m 43s fast. What is the deviation of the standard magnetic compass?Not learned 191. On 14 January your 0746 zone time DR position is LAT 26°37.0'N, LONG 153°19.0'W. At that time, you observe the Sun bearing 123°psc. The chronometer reads 05h 49m 16s, and the chronometer error is 02m 29s fast. The variation is 3°W. What is the deviation of the standard magnetic compass?Not learned 192. At 1444 ZT on 28 July, in DR position LAT 40° 56.8' N, LONG 167° 12.4' E, you observe an amplitude of the Moon. The upper limb of the Moon is on the visible horizon and bears 299.3° psc. The variation is 1° E. What is the deviation?Not learned 193. On 27 June your vessel's 0816 ZT DR position is LAT 22°14'S, LONG 53°52'W, when an azimuth of the Sun is observed. The chronometer time of the sight is 12h 15m 02s, and the Sun is bearing 047.5° per standard magnetic compass. The chronometer error is 00m 46s slow, and the variation in the area is 6.0°E. What is the deviation of the standard magnetic compass?Not learned 194. On 28 July your 1937 zone time DR position is LAT 26°13.0' N, LONG 78°27.0' E. At that time, you observe Deneb bearing 048.7°pgc. The chronometer reads 02h 37m 42s, and the chronometer error is 00m 15s fast. The variation is 4°W. What is the gyro error?Not learned 195. On 28 September in DR position LAT 24°12.0'S, LONG 85°25.0'E, you observe an amplitude of the Sun. The Sun's center is on the visible horizon and bears 094°psc. The chronometer reads 11h 29m 42s and is 03m 30s slow. Variation in the area is 4°W. What is the deviation of the magnetic compass?Not learned 196. On 30 July, your 0200 zone time (ZD +4) DR position is LAT 43°48'N, LONG 78°00 W. At that time, you observe Polaris bearing 008.7°psc. The chronometer time of the observation is 05h 58m 07s, and the chronometer is 0m 23s slow. The variation is 10.5°W. What is the deviation of the magnetic compass?Not learned 197. On 31 October your 1700 zone time DR position is LAT 27°17.0'N, LONG 116°10.0'W, when an amplitude of the Sun is observed. The Sun's center is on the visible horizon and bears 246.5° per standard magnetic compass. Variation in the area is 8.5°E. The chronometer reads 01h 01m 23s and the chronometer error is 01m 54s slow. What is the deviation of the standard compass?Not learned 198. On 4 July your vessel's 1722 zone time DR position is LAT 34°30'S, LONG 174°48'E, when an amplitude of the Sun is observed. The sun's center is on the visible horizon and bears 282° per standard magnetic compass. Variation in the area is 17.2°E. The chronometer reads 05h 21m 48s and is 02m 01s fast. What is the deviation of the compass?Not learned 199. On 7 December your 0350 ZT position is LAT 35°42'N, LONG 17°38'E. You observe Polaris bearing 359.7°pgc. At the time of the observation the helmsman noted that he was heading 016°pgc and 014°psc. The variation is 1°E. What is the deviation for that heading?Not learned 200. You depart LAT 40°42.0'N, LONG 74°01.0'W, and steam 3365.6 miles on course 118°T. What is the longitude of your arrival by Mercator sailing?Not learned 201. You depart LAT 49°45.0'N, LONG 06°35.0'W, and steam 3599 miles on course 246.5°T. What is the longitude of your arrival by Mercator sailing?Not learned 202. You receive a distress call from a vessel reporting her position as LAT 30°21'N, LONG 88°34'W. Your position is LAT 24°30'N, LONG 83°00'W. Determine the true course and distance to the distress scene by Mercator sailing.Not learned 203. Your vessel departs LAT 32°45'N, LONG 79°50'W, and is bound for LAT 34°21'S, LONG 18°29'E. Determine the distance by Mercator sailing.Not learned 204. A vessel steams 3312 miles on course 282°T from LAT 34°24'S, LONG 18°18'E. What is the latitude and longitude of the point of arrival by Mercator sailing?Not learned 205. A vessel steams 666 miles on course 135°T from LAT 40°24.0'N, LONG 74°30.0'W. What is the latitude and longitude of the point of arrival by Mercator sailing?Not learned 206. 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 207. 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 208. Aboard a vessel, what does dividing the sum of the longitudinal moments by the total weight yield?Not learned 209. In the absence of external forces, the center of buoyancy of an inclined vessel is vertically aligned directly below the __________.Not learned 210. Which action will affect the trim of a vessel?Not learned 211. Which action must be taken annually concerning inflatable liferafts carried on passenger vessels?Not learned 212. What is an advantage of diesel over steam turbine propulsion?Not learned 213. At an angle of loll, the capsizing moment is __________.Not learned 214. What is another name for the garboard strake?Not learned 215. You are approaching a disabled vessel in order to remove survivors from it. If your vessel drifts faster than the disabled vessel, how should you make your approach?Not learned 216. What is the best indication of the loading of a diesel engine?Not learned 217. If the cause of a sudden severe list is due to negative initial stability, counter-flooding into empty ballast tanks may __________.Not learned 218. What condition will result in the automatic shutdown of a diesel engine?Not learned 219. The correction to KG for transverse free surface effects may be found by dividing the vessel's displacement into the __________.Not learned 220. The deck beam brackets of a transversely framed vessel resist which stresses?Not learned 221. Which defines the function of a spark arrestor?Not learned 222. Why are diesel engines considered safer than gasoline engines?Not learned 223. Which describes the difference between the height of the metacenter and the height of the center of gravity of a vessel?Not learned 224. When dry chemical extinguishers are used to put out class B fires, why is there a danger of reflash?Not learned 225. When electrical equipment is involved in a fire, where should the stream of dry chemicals be directed?Not learned 226. After an engine is started which is the best action(s) to take?Not learned 227. 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 228. As an extinguishing agent, foam _________.Not learned 229. 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 230. Which of the following aspects of a flooded space will most adversely affect transverse stability if it is subject to free communication?Not learned 231. Four-cycle diesel engines obtain combustion air through turbo chargers, blowers, or which other means?Not learned 232. Freeboard is measured from the upper edge of the __________.Not learned 233. Freeing ports on a vessel with solid bulwarks accomplish which task?Not learned 234. What is NOT a function of the steam drum of a marine water-tube boiler?Not learned 235. The galley on your cargo vessel has an area of 2,500 square feet. Which of the following would fulfill the minimum requirements for fire protection?Not learned 236. The greatest effect on stability occurs from loose liquids flowing __________.Not learned 237. When the handle of an all-purpose nozzle is pulled all the way back, it will __________.Not learned 238. When the handle of an all-purpose nozzle is in the vertical position and without an applicator, the all- purpose nozzle will __________.Not learned 239. When a helicopter is lifting personnel from an enclosed lifeboat, what should the other individuals in the boat do?Not learned 240. In illustration D033DG below, what is the joint indicated by letter D?Not learned 241. In illustration D033DG below, the lower seam of the strake indicated by the letter B is sometimes riveted. Why is this done?Not learned 242. In illustration D033DG below, what is the space indicated by the letter J known as?Not learned 243. In illustration D033DG below, the stringer plate is represented by which letter?Not learned 244. You are involved in an emergency landing of a helicopter on the water. You should inflate your life jacket __________.Not learned 245. Lifesaving regulations in Subchapter W require that a fire drill include which of the following?Not learned 246. In which location are lifejackets required to be stowed?Not learned 247. Deficient oxygen content inside a chain locker can be detected with which item?Not learned 248. Which item(s) is/are a 2,000 GT tankship required to carry?Not learned 249. All lifeboats, rescue boats, and rigid-type liferafts shall be stripped, cleaned, and thoroughly overhauled at which time interval?Not learned 250. A liferaft with a capacity of 8 people used in ocean service is required by regulations to carry which items?Not learned 251. You must shore up the collision bulkhead due to solid flooding forward. The bulkhead approximates an inverted triangle. Where should the center of pressure of the shores on the bulkhead be located?Not learned 252. How often are each EPIRB and SART for lifeboats required to be tested on the vessel?Not learned 253. What can an oxygen indicator be used to determine?Not learned 254. On a passenger vessel, the vessel's name must appear on which item(s)?Not learned 255. 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 256. You are picking up an unconscious person that has fallen overboard in a fresh breeze. For safety reasons how should a small craft approach?Not learned 257. Where a propeller shaft passes through the hull, which device prevents water from entering the hull?Not learned 258. 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 259. During a SAR helicopter evacuation which of the following describes the proper donning of a rescue sling?Not learned 260. 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 261. Which term is given to the brickwork surrounding the firebox of a boiler?Not learned 262. 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 263. A thirty-pound plate would be which thickness?Not learned 264. Which is TRUE if passengers are on board when an abandon ship drill is carried out?Not learned 265. Ultrasonic testing is used to determine the thickness of a vessel's shell plating and which other testing?Not learned 266. What is a wobbling tail shaft an indication of?Not learned 267. What is the name given to the strake on each side of the keel?Not learned 268. What is one effect of running a diesel engine at too cool a temperature?Not learned 269. Overspeed of the diesel engine driving an electric generator could cause which situation to occur?Not learned 270. 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 271. 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 272. What power source actuates a solenoid valve?Not learned 273. In the presence of external forces, the center of buoyancy of an inclined vessel is vertically aligned with which item?Not learned 274. You are proceeding to a distress site and expect large numbers of people in the water. Which statement is TRUE?Not learned 275. Which term is used to describe the projecting lugs of the rudderpost which furnish support to the rudder?Not learned 276. What is the purpose of cant frames in steel vessels?Not learned 277. What is the purpose of a striker plate?Not learned 278. For the purpose of training and drills, if reasonable and practicable, how frequently should rescue boats be launched with their assigned crew?Not learned 279. What does a pyrometer measure on a diesel engine?Not learned 280. A quick and rapid motion of a vessel in a seaway is an indication of a(n) __________.Not learned 281. Regulations define the bulkhead deck as __________. (subdivision and stability regulations)Not learned 282. The releasing lever of a lifeboat shall be red in color with a placard stating which of the following?Not learned 283. What shall be conducted during a fire and boat drill?Not learned 284. 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 285. Small hull leaks can be temporarily repaired by __________.Not learned 286. Which statement about damage control is TRUE?Not learned 287. Which statement is TRUE concerning a motor lifeboat?Not learned 288. Which statement is TRUE of a tender vessel?Not learned 289. Sudden unloading of a diesel engine can cause which to occur?Not learned 290. 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 291. Which term indicates the rise in height of the bottom plating from the plane of the base line?Not learned 292. Transverse frames are more widely spaced on a ship that is designed with the __________.Not learned 293. Which is TRUE of the term negative slip on a vessel?Not learned 294. Which are the two points that act together to trim a ship?Not learned 295. What can be used to measure the percentage of oxygen inside a chain locker?Not learned 296. Before using a fixed CO2 system to fight an engine room fire, you must __________.Not learned 297. What is the usual depth of a beam bracket?Not learned 298. 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 299. A vessel is constructed with a steel hull and an aluminum superstructure. Which statement is TRUE?Not learned 300. In vessel construction, which is TRUE of the garboard strake?Not learned 301. 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 302. 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 303. The vessel's Emergency Position Indicating Radio beacon (EPIRB) must be tested at which time interval?Not learned 304. If your vessel will list with equal readiness to either side, the list is most likely caused by which condition?Not learned 305. When a vessel has positive stability, which term is used to describe the distance between the line of force through B and the line of force through G?Not learned 306. A vessel with a small GM will __________.Not learned 307. You are wearing a breathing apparatus inside a tank. How many tugs on the lifeline should you give to indicate that you need help?Not learned 308. How would the exhaust of a properly operating diesel engine appear?Not learned 309. A floating vessel will behave as if all of its weight is acting downward through which point?Not learned 310. A vessel is to make a voyage between New York and San Juan, Puerto Rico, and return. The crew should be signed on which articles?Not learned 311. A wooden plug fitted tightly in the vent of a damaged tank may prevent which situation?Not learned 312. Fire alarm system thermostats are actuated by which means?Not learned 313. In a foreign port with a consulate, the U.S. Consul may excuse the Master from personally appearing before him to consent to the mutual release of an injured seaman, under which circumstance?Not learned 314. Regulations require which action to be performed prior to the vessel departing on a voyage more than 48 hours long?Not learned 315. Stress on the topping lift of a swinging boom can be reduced by __________.Not learned 316. 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 317. What are the required number and type of hand portable fire extinguishers for a galley having an area of 3,500 square feet?Not learned 318. What is the thickness of a 30.6-pound plate?Not learned 319. Which is required to be marked on the vessel's life preservers?Not learned 320. Which is TRUE concerning a certified lifeboat operator assigned to command a lifeboat?Not learned 321. Which statement is TRUE concerning CO2 cylinders which protect the small space in which they are stored?Not learned 322. Your vessel is running in a following sea. Which term defines the motion your vessel is experiencing?Not learned 323. 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 324. Which defines the process of cargoes segregation?Not learned 325. Which of the following is a characteristic of Methane gas?Not learned 326. What is the name of the mark indicated by the letter C in illustration D003DG below?Not learned 327. What is the center of flotation of a vessel?Not learned