单项选择题
A.Classification Society Rules B.National requirements C.The IMO International Convention for the Safety of Life at Sea D.All of the above
An auxiliary reservoir for starting auxiliary engines s...
单项选择题An auxiliary reservoir for starting auxiliary engines should be kept at （）.
A.low pressure at all times B.full pressure at all times C.low pressure at intermittence D.full pressure at intermittence
Starting air for auxiliary engines may be taken directl...
单项选择题Starting air for auxiliary engines may be taken directly from the main reservoirs or through （）.
A.an auxiliary reservoir B.a controlling air bottle C.an emergency air compressor D.a main air compressor
Two main lubricating oil pumps are usual and are obliga...
单项选择题Two main lubricating oil pumps are usual and are obligatory in （）.
A.container ships B.bulk carriers C.passenger ships D.barges
