單項選擇題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


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1.單項選擇題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

2.單項選擇題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

3.單項選擇題Two main lubricating oil pumps are usual and are obligatory in （）.

A.container ships
B.bulk carriers
C.passenger ships
D.barges

4.單項選擇題In motor-ships, （）, after passing through main and motion bearings and oil cooled pistons, etcis either retained in the bedplate.

A.the fuel oil
B.the lubricating oil
C.the refrigerating oil
D.the hydraulic oil

5.單項選擇題In motorships，there are two main circuits, （）.

A.one salt water, one fresh water
B.one salt water, one fuel
C.one fresh water, one fuel
D.one steam, one fuel