默认题库 - 救生作业

单选题

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

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单选题

After abandoning ship which action should be taken IMMEDIATELY upon entering a liferaft?（）

A. Open equipment pack
B. Issue anti-seasickness medicine
Cut painter and clear the ship
Dry the liferaft floor and inflate

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单选题

All lifeboats，rescue boats，and rigid-type liferafts shall be stripped，cleaned，and thoroughly overhauled at least once every（）.

A. 6 months
B. year
C. 18 months
D. two year

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单选题

How should signal flares be used after you have abandoned ship and are adrift in a liferaft?（）.

A. Immediately use all the signals at once
B. Use all the signals during the first night
C. Employ a signal every hour after abandoning ship until they are gone
D. Use them only when you are aware of a ship or plane in the area

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单选题

If an inflatable liferaft inflates upside down，you can right it by（）.

A. pushing up on one side
B. standing on the CO<sub>2</sub> bottle，holding the bottom straps，and throwing your weight backwards
C. getting at least three or four men to push down on the side containing the CO<sub>2</sub> cylinder
D. doing nothing; it will right itself after the canopy supports inflate

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单选题

Prior to entering a davit-launched liferaft，you should make sure that（）.

A. the liferaft is well ventilated of excess carbon dioxide
B. all personnel have removed their life preservers to facilitate boarding
C. the door flap has been cut away and stowed inside the raft
D. All of the above

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单选题

Signaling devices which are required on inflatable liferafts include（）.

A. a rocket shoulder rifle
B. an oil lantern
C. red flares
D. an air hor

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