A.zero inclination to full inclination on one side
B.full inclination on one side to full inclination on the other side
C.full inclination on one side to the next full inclination on the same side
D.zero inclination to the next zero inclination
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A.let the schooner guy take most of the strain，thus transferring the load to the opposite boom
B.leave the preventer guy slack
C.secure them as close together as possible on deck
D.secure them so the angle between them is 90°at the boom head
A.mold to develop on commodities
B.malfunction of the refrigeration equipment
C.contamination of the insulation in the space
D.All of the above
A.above the explosive range
B.within the explosive range
C.below the explosive range
D.None of the above
A.deep tanks／lower holds
B.lower holds／tweendecks
C.tweendecks／deep tanks
D.deep tanks／tweendecks
A.trailers
B.rolling vehicles
C.containers
D.All of the above
最新試題
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Ullages are measured from（）.
By regulation，cargo tanks must be inert before and during what operation?（）.
Prior to backloading portable tanks or drums onto an offshore supply vessel，check that each tank is（）.
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