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单选题
Under normal conditions a liferaft is released from itscradle by（）.
A
cutting the restraining strap
B
unscrewing the turnbuckle on the back of the cradle
C
lifting one end of the raft
D
pushing the plunger on the center of the hydrostatic release
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Completed， Deposited， Released， ShippedB
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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
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release the dye-marker from the liferaftC
free the liferaft from the vesselD
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单选题Under which of the listed conditions can the engine room retake the throttle control from the bridge（）.A
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单选题（） is a precaution which contributes to avoiding trouble under normal operating conditions.A
Constant inspectionB
Keeping constant loadC
Remaining constant temperatureD
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dirty delivery ductsB
too much refrigerantC
the fouling filtersD
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liquidB
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the manual trick wheel is engaged for steeringB
the variable stroke pump is off strokeC
a rudder order is given by the control systemD
an electric power system failure occurs at the steering gear
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second stageC
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单选题Under normal weather and sea conditions when securing a stack of containers with twist locks，lashings are required when the tier exceeds what height? （）A
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考题
单选题A carling is used aboard ship（）.A
as a connecting strap between the butted ends of platingB
to stiffen areas under points of great stress between beamsC
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考题
单选题An inflatable liferaft should be manually released from its cradle by（）.A
cutting the straps that enclose the containerB
removing the rubber sealing strip from the containerC
loosening the turnbuckle on the securing strapD
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考题
单选题When anchoring a vessel under normal conditions，which scope of chain is recommended? （）A
Four times the depth of waterB
Two and one-half times the depth of waterC
Five to seven times the depth of waterD
Fifteen times the depth of water
考题
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
考题
单选题What is placed on the under side of an inflatable liferaft to help prevent it from being skidded by the wind or overturned?（）A
Water pocketsB
A keelC
StrikesD
Sea anchor
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