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单选题
If the pump for a hydraulic anchor windlass is overheating, the cause may be （）.
A
excessive drive motor speed
B
excessive pump discharge pressure
C
too low of a tilting box angle
D
insufficient drive motor speed
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单选题If the pump for a hydraulic anchor windlass is overheating, the cause may be （）.A
excessive drive motor speedB
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too low of a tilting box angleD
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changing pump discharge pressure in response to normal load variationsB
a high oil levelC
incorrect fluid viscosityD
continued slow re-circulation of the oil
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fairleadC
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单选题When dropping anchor，you are stationed at the windlass brake．The most important piece（s）of gear is（are）（）.A
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单选题If a hydraulic pump is overheating, the cause may be （）.A
excessive internal leakage in the pumpB
low discharge pressure and fluid flowC
excessive fluid level in the hydraulic reservoirD
operation of the pump at 100% efficiency
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单选题When the order “Let go the anchor” is received ,you should （）.A
release the brakeB
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单选题When anchored，increasing the scope of the anchor chain normally serves to（）.A
prevent fouling of the anchorB
decrease swing of the vesselC
prevent dragging of the anchorD
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单选题Leakage of hydraulic fluid from around the shaft of a hydraulic motor may be caused by（）A
permanent loss of pump suctionB
worn shaft sealsC
high level in the oil sumpD
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excessive pump discharge pressureC
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