于灭火，这种技术应仅用于由烟和热量的出口。 [179] A hook that will release quickly is a ______.
A. longshore hook B. margin hook C. marginal hook D. pelican hook KEY: D速脱钩能迅速释放。
[180] A hurricane moving northeast out of the Gulf passes west of your position. You could expect all of the following EXPECT ______. A. higher than normal swells B. high winds
C. winds veering from south, through west, to northwest D. light showers
KEY: D飓风从海湾向东北方向移动，从你船西边通过，将遇到下列除小阵雨外的情况。 [181]同上
[182] A hydraulic accumulator aboard a ship is designed to ______.
A. store fluid under pressure B. act as a fluid reservoir
C. provide overpressure relief D. replenish fluid to a system
KEY: A船上的液体储存器被设计为用来储存液体的压力之下。
[183] A hydrostatic release mechanism for a liferaft ______. A. must be wet before it will release
B. should be kept in a watertight cover except in an emergency C. will inflate the raft in its cradle if operated manually
D. must be submerged to a certain depth to release automatically
KEY: D救生筏上的静水压力释放装置必须在侵入一定水深后才能自动释放。
[184] A hygrometer is device used for determining ______. A. the absolute temperature B. atmospheric pressure
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C. wind velocity D. relative humidity KEY: D湿度计是用来确定相对湿度的仪器。 [185]同上
[186] A hygroscopic cargo is defined as a cargo ______. A. capable of absorbing moisture in the form of a gas B. capable of giving off moisture in the form of a liquid C. that is shipped in a liquid state D. that will ignite in contact with water
KEY: A吸湿货物定义为能够吸附气体水分的货物。 [187] A journal kept by the officer of the watch in which day to day happenings are recorded
regarding the deck department is the ______.
A. cargo record book B. deck rough log C. bell book D. Official Logbook
KEY: B值班驾驶员保管记录有关甲板部每天发生情况的日志是甲板日志（航海日志草本）。 [188]同上
[189] A Kort nozzle is a(n) ______.
A. hollow tube surrounding the propeller used to improve thrust
B. nozzle attached to a firefighting hose
C. intake valve on a diesel engine D. piston cylinder on a diesel engine
KEY: AKort nozzle（科特导流管）是中间空心的，在螺旋桨周围的用来提高侧推力的导流管。
[190] A large navigational buoy (LNB) is painted ______. A. red B. yellow
C. with red and white vertical stripes
D. with a distinct color and pattern unique to each buoy KEY: A大型导航浮筒漆成红色。
[191] A large oil fire on the deck of a ship can be fought most effectively with ______.
A. dry chemical B. foam
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C. high-velocity fog D. water (cartridge-operated)、 KEY: B甲板上大量由油水引起的火灾最有效的扑救方法是泡沫。
[192] A lashing used to secure two barges side by side, lashed in an X fashion, is called a ______.
A. backing wire B. scissor wire C. face wire D. breast wire
KEY: B用于两并靠船舶的绑扎，绑扎成“X”形状，被叫做交叉绑扎。
[193]A life line must be connected to the life raft______．
A．at the bow B．at the stern C．in the middle D．all around
KEY: D救生索必须连续绕在救生筏四周。
[194] A life preserver or buoyant work vest is required to be worn on a ship when a person is ____
A. working on the rig floor B. working over water
C. working on the pipe racks D. operating line throwing equipment
KEY: B在船上救生用具或有浮力的工作服当人员在水里工作时要求被穿。
[195] A light siglinal consisting of three flashes means ______.
A. I an in doubt as to your actions B. My engines are full speed astern
C. I desire to overtake you D. I am operating astern propulsion
KEY: D由三闪组成的灯光信号，表示我船正在后退。 [196] A light used to signal passing intentions must be an ______.
A. all-round yellow light only B. all-round white light only
C. all-round blue light only D. alternating
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red and yellow light
KEY: B被用作操作意图信号的灯必须是环照白灯。
[197] A line connecting all possible positions of your vessel at any given time is a ______.
A. longitude line B. latitude line C. line of position D. Fix
KEY: C在任何时候，你船的船位联系时船位线。 [198]同上
[199] A line of position from a celestial observation is a segment of a ______.
A. circle of equal altitude B. parallel of declination
C. parallel of altitude D. vertical circle KEY: A天体观测得到的船位线是等高度圈的一部分。 [200] A line of position is ______.
A. a line connecting two charted objects
B. a line on some point of which the vessel may be presumed to be located
C. the position of your vessel D. not used in a running fix
KEY: B船位线是船舶一些推测位置点的连线。 [201] A load line of a ship is assigned by ______.
A. Minerals Management Service B. Department of Energy
C. Corps of Engineers D. A recognized classification society approved
KEY: D船舶载重线是通过认可的船级社批准、勘划的。 [202]同上
[203] A lookout can leave his station ______.
A. at the end of the watch B. at any time
C. ONLY when properly relieved D. 15 minutes before the end of the watch
KEY: C瞭望人员只有在交班时方可离开。
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