默认题库 - 求生用语

单选题

The device that allows a floating ship to sway without bending the marine riser system is the（）.

A. yaw joint
B. sway joint
C. slip joint
D. flex or ball joint

单选题

The governor brake shall be capable of controlling the speed of lowering a fully equipped lifeboat with its complement of persons on board at（）.

A. safe speed only specified
B. not less than 120 feet per minute
C. not more than 120 feet per minute
D. not more than 90 feet per minute

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单选题

The maximum speed of lowering for a lifeboat on gravity davits is controlled by the（）.

A. limit switches
B. emergency disconnect switch
C. governor brake
D. position of the counterweight on the brake handle

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单选题

The minimum concentration of a vapor in air which can form an explosive mixture is called the（）.

A. auto-ignition point
B. flash point
C. lower explosive limit (LEL)
D. threshold limit value (TLV)

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单选题

If help has not arrived in 10-12 hours after you abandon a vessel in a survival craft，you should（）.

A. go in one direction until the fuel runs out
B. plot a course for the nearest land
C. take a vote on which direction you should go
D. shut down the engine(s) and set the sea anchor

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单选题

For use as protection from gas leaking from a refrigeration unit，each ship must be equipped with a（）.

A. portable ventilation system
B. flame safety lamp
C. self-contained breathing apparatus
D. gas mask

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单选题

A vessel may be unable to take proper and effective action due to the speed（）too high or，in some circumstances，too low.

A. is
B. is to be
C. will be
D. being

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单选题

Before personnel are lifted from a vessel in a personnel basket，the vessel should be（）.

A. directly under the boom
B. moving away from the boom
C. stopped dead in the water
D. tied to the boom

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单选题

Drinking salt water will（）.

A. be safe if mixed with fresh water
B. prevent seasickness
C. dehydrate you
D. protect against heat cram

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单选题

For small，first-degree burns the quickest method to relieve pain is to（）.

A. immerse the burn in cold water
B. administer aspirin
C. apply petroleum jelly
D. apply a bandage to exclude air

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