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单选题
The bosun has thrown the liferaft into the water before abandoning the vessel. The operating cord（）.
A
serves as a sea painter
B
detaches from the liferaft automatically
C
is used to rig the boarding ladder
D
is cut immediately as it is of no further use
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A liferaft which has inflated bottom-up on the water ______.A.should be righted by standing on the carbon dioxide cylinder，holding the righting straps and leaning backwardsB.should be righted by standing on the life line，holding the righting straps leaning backwardsC.will right itself when the canopy tube inflatesD.must be cleared of the buoyant equipment before it will right itself
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单选题Which operation should be done when launching an inflatable liferaft by hand?（）A
Open the liferaft casingB
Turn the valve on the CO2 cylinder to start inflationC
Make sure the operating cord is secured to the vessel before throwing it over the sideD
After inflation，detach operating cord from liferaft
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单选题Your ship is sinking rapidly. A container containing an inflatable liferaft has bobbed to the surface upon functioning of the hydrostatic release. Which action should you take?（）.A
Cut the painter line so it will not pull the liferaft container downB
Swim away from the container so you will not be in danger as it goes downC
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单选题An inflatable liferaft is thrown into the water from a sinking vessel. What occurs automatically after the painter trips the CO2 bottles to inflate the raft?（）A
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The floor inflatesC
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单选题Prior to entering a davit-launched liferaft，you should make sure that（）.A
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all personnel have removed their life preservers to facilitate boardingC
the door flap has been cut away and stowed inside the raftD
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单选题After you have thrown the liferaft and stowage container into the water，you inflate the liferaft by（）.A
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forcing open the container which operates the CO2C
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单选题One of the first actions to be taken by survivors when they have boarded an inflatable liferaft is to（）.A
stream the sea anchorB
take an anti-seasickness pillC
open the pressure relief valveD
drink at least one can of water
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单选题What is the result？（）A
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must be wet before it will releaseB
should be kept in a watertight except in an emergencyC
will inflate the raft in its cradle if operaterd manuallyD
must be submerged to a certain depth to release automatically
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must be wet before it will releaseB
should be kept in a watertight cover except in an emergencyC
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单选题Which of the following steps should normally be taken first by those who have boarded a liferaft in an emergency situation?（）A
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考题
单选题If the hydrostatic release mechanism for an inflatable liferaft is not periodically serviced and becomes inoperative，it will NOT（）.A
set the water lights on immersionB
release the dye-marker from the liferaftC
free the liferaft from the vesselD
break the seal on the carbon dioxide cylinder
考题
单选题You are preparing to lubricate standing rigging on your vessel．When rigging a bosun’s chair on a stay with a shackle，（）.A
Connect the shackle to the bosun's chair with a hookB
Never allow the shackle pin to ride on the stayC
Run the gantline through the shackle and then make fast to the bosun's chairD
Tie the bitter end of the gantline to the shackle before shackling it to the bosun's chair
考题
单选题The air spaces in the floor of an inflatable liferaft will provide protection against（）.A
asphyxiation from CO2B
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cold water temperatures
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单选题The inside light in an inflatable liferaft is turned on（）.A
automatically as the liferaft inflatesB
with a switch near the boarding handleC
at night because the light has a photosensitive switchD
by screwing the bulb in after the raft is inflated
考题
单选题A liferaft which has inflated bottom-up on the water（）.A
should be righted by standing on the carbon dioxide cylinder，holding the righting straps，and leaning backwardsB
should be righted by standing on the life line，holding the righting straps，and leaning backwardsC
will right itself when the canopy tubes inflateD
must be cleared of the buoyant equipment before it will right itself
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单选题Rubbish can be thrown into the water （）.A
in a harbourB
in any placeC
25 miles off the landD
10 miles off the land
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单选题Factories must clean their water _____.A
before they are thrown awayB
when they are thrown awayC
after it is thrown awayD
before it is thrown away
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