单项选择题
The fire pumps must be capable of delivering a total quantity of water at a defined head, not less than （） of the total bilge pumping capacity.
A.one-third
B.two-thirds
C.one-fourth
D.two-fourths
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相关考题
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单项选择题
The minimum number and capacity of bilge pumps and fire pumps and their distributing within the ship is governed by （）.
A.Classification Society Rules
B.National requirements
C.The IMO International Convention for the Safety of Life at Sea
D.All of the above -
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 -
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
