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A person may operate an air compressor in which of the following areas on board a tank barge ________．
A.Pumproom
B.Generator room
C.A space adjacent to a cargo tank
D.A space two meters from a cargo valve
参考答案
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Carbon build up in the piston ring beltB
Faulty operation of a cylinder un-loaderC
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单选题A person may operate an air compressor in which of the following areas on board a tank barge?（）A
PumproomB
Generator roomC
A space adjacent to a cargo tankD
A space two meters from a cargo valve
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