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What can cause a lack of oxygen in a chain locker ________．
A.Absorption
B.Osmosis
C.Evaporation
D.Oxidation
参考答案
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单选题The perforated，elevated bottom of the chain locker，which prevents the chains from touching the main locker bottom and allows seepage water to flow to the drains，is called a（）.A
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draftC
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单选题What can cause a lack of oxygen in a chain locker（）．A
AbsorptionB
OsmosisC
EvaporationD
Oxidation
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单选题What could cause a significant difference between actual chain tension and the tension measured by the tensiometer? （）A
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单选题Deficient oxygen content inside a chain locker can be detected with（）.A
litmus paperB
a combustible gas indicatorC
an oxygen breathing apparatusD
an oxygen indicator
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单选题The opening in the deck beneath the anchor windlass that leads to the chain locker is the（）.A
hawse pipeB
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多选题Which two statements are true about a job chain?（）AA job chain can contain a nested chain of jobs.BThe jobs in a job chain cannot have more than one dependency.CA job of the CHAIN type can be run using event-based or time-based schedules.DThe jobs in a job chain can be executed only by using the events generated by the Scheduler
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单选题What can be used to measure the percentage of oxygen inside a chain locker?（）A
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单选题Before entering the chain locker，you should（）.A
have someone standing byB
make sure there is sufficient air within the lockerC
de-energize the windlassD
All of the above
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单选题A sufficient amount of chain must be veered when anchoring a vessel to ensure（）.A
the vessel has enough room to swing while at anchorB
the anchor flukes bite into the ocean bottomC
there is sufficient weight from the anchor and chain to prevent draggingD
there is more chain out than there is in the chain locker
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单选题Deficient oxygen content inside a chain locker can be detected with（）.A
litmus paperB
combustible gas indicatorC
oxygen breathing apparatusD
oxygen indicator
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