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单选题
The water pockets located on the underside of inflatable liferafts（）.
A
stow rainwater; these 4 spaces do not take up valuable space
B
act as stabilizers by filling with sea water as soon as the raft is inflated and upright
C
hold the freshwater required by regulation to be provided in the raft when packed
D
None of the above
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更多 “单选题The water pockets located on the underside of inflatable liferafts（）.A stow rainwater; these 4 spaces do not take up valuable spaceB act as stabilizers by filling with sea water as soon as the raft is inflated and uprightC hold the freshwater required by regulation to be provided in the raft when packedD None of the above” 相关考题
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单选题All inflatable life rafts have（）.A
safty straps from the overheadB
built in seatsC
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water stabilizing pockets
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单选题In a complete oil/water separator, more oil will separate out onto the underside of these plates and travel outwards until it is free to rise into the oil collecting space Whats the meaning of "it" in the sentence above?（）A
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单选题Which of the conditions listed may occur in an operating diesel engine if air pockets form within the cylinder head circulating water passages? （）A
Hydraulic stress and distortion will developB
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单选题You are proceeding to a distress site and expect large numbers of people in the water. Which statement is TRUE?（）A
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stream the sea anchorB
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open the pressure relief valveD
drink at least one can of water
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causes colloid suspension in the cooling waterB
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can form pockets which block the flow of coolant through the systemD
leads to the scuffing of cylinder walls
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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What is placed on the underside of an inflatable liferaft to help prevent it from being skidded by the wind or overturned? （）A
Ballast bagsB
A keelC
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考题
单选题Hand hold or straps on the underside of an inflatable are provided（）.A
to right the raft if it capsizesB
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考题
单选题The jackknife stored on an inflatable liferaft will always be located（）.A
in one of the equipment bagsB
in a special pocket near the forward entranceC
on a cord hanging from the canopyD
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单选题LiF在照射前一般要经过1小时400℃高温和24小时80℃低温退火，目的在于（）A
使LiF充分干燥B
使LiF保持较好的形状C
使LiF具有良好的硬度D
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单选题The air spaces in the floor of an inflatable liferaft will provide protection against（）.A
asphyxiation from CO2B
loss of air in the sides of the raftC
rough seasD
cold water temperatures
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单选题Piston cooling fins are located（）A
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beneath the piston crownC
at the base of the piston skirtD
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单选题The knife on an inflatable liferaft will always be located（）.A
in one of the equipment bagsB
in a special pocket near the forward entranceC
on a cord hanging from the canopyD
in a pocket on the first aid kit
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单选题If an inflatable liferaft is overturned，it may be righted by（）.A
filling the stabilizers on one side with waterB
releasing the CO2 cylinderC
pushing up from under one endD
standing on the inflating cylinder and pulling on the straps on the underside of the raft
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