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单选题
船舶左右舷灯的灯泡是（）。
A
白炽灯
B
高压汞灯
C
荧光灯
D
汞氙灯
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单选题下列（）参数属于流体的物理性质。A
表面张力，膨胀性，流量，含气量B
表面张力，含气量，压强，膨胀性C
表面张力，膨胀性，流量，空气分离压D
表面张力，含气量，膨胀性，空气分离压
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单选题Defective timing gear in a diesel engine may lead to （）.A
smoky exhaustB
starting failureC
overloadD
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Carbon dioxideB
Water (stored pressure)C
Dry chemicalD
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活塞在上止点时第一道气环B
活塞在行程中点时第一道气环C
活塞在行程中点及下止点时最后一道刮油环D
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单选题How many life buoys have your ship been exactly（）.A
produced byB
met withC
offered ofD
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单选题An inflatable life raft can be launched by（）.A
the floating-free method onlyB
breaking the weak link on the painterC
throwing the entire container overboard and then pulling an the operatingD
removing the securing straps
考题
单选题A butterfly valve consists basically of a disc pivoted across the bore of a ring body having the same radial dimensions as the pipe in which it is fitted.According to the above sentence, which of the following statements is not true?（）A
The diameter of a disc is the same as the outer diameter of the pipeB
We can infer that the valve is opened or closed by rotating the spindleC
A butterfly valve comprises a disc and a ring bodyD
The profile of the butterfly valve is a ring body
考题
单选题Paints and solvents on a vessel should be（）.A
stored safely in a cool dark non-ventilated area until work is completedB
resealed and returned to a well ventilated area after each useC
covered at all times to protect from ignition sourcesD
stored in a suitable gear locker
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单选题安全管理体系是一个能使公司人员有效地实施公司的安全与环境保护方针所建立的（）体系。A
标准化和文件化B
质量和程序C
结构化和标准化D
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