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安全壳疏水系统 containment drain system
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考题
Before doing any work on a hydraulic system equipped with accumulators, you shouldA.drain the accumulators and purge with oxygenB.bleed off all stored energy from the accumulators completelyC.charge the accumulators to prevent system energy lossD.pump the hydraulic fluid into the accumulators to prevent fluid loss
考题
The scuppers should be plugged____ .A.only if fixed containment is not usedB.only if portable containment is not usedC.only if fixed containment drains are openD.whenever the vessel is being bunkered
考题
_____ allows for expansion and water make up in the water cooling system.A.A top tankB.A head tankC.A head valveD.A drain tank
考题
The oil transfer procedures aboard a tanker transferring oil are NOT required to contain ______．A.The name of each person designated as the person in charge of transferB.A line diagram of the vessel's oil transfer pipingC.Special procedures for topping off tanksD.A description of the deck discharge containment system
考题
单选题The scuppers should be plugged （）.A
only if fixed containment is not usedB
only if portable containment is not usedC
only if fixed containment drains are openD
whenever the vessel is being bunkered
考题
单选题（） allows for expansion and water make up in the water cooling system.A
A top tankB
A head tankC
A head valveD
A drain tank
考题
单选题Before operating a non-oceangoing ship greater than 100 gross tons it must have a fixed piping system to discharge oily mixtures ashore. This system must include（）.A
approved oily-water separating equipmentB
a fixed or portable containment system at the shore connectionC
a spare pump in case the main pump is inoperativeD
at least one outlet accessible from the weather deck
考题
单选题The piston cooling system may employ similar components, except that a drain tank is used instead of a head tank That means this system （）.A
doesnt use a drain tank but a head tankB
uses a drain tank not head tankC
uses a drain tank and a head tankD
uses neither a drain tank nor a head tank
考题
单选题The piston cooling system may employ similar components, except that （） is used instead of a head tank.A
a sump tankB
a feed wellC
a double bottom tankD
a drain tank
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