單項(xiàng)選擇題

The most common forms of main drive used on deck auxiliaries are （）.

A.steam plants, electric motors and compressed air
B.diesel engine, hydraulic machinery and compressed air
C.steam plants, electric motors and hydraulic machinery
D.diesel engines, steam plants and hydraulic machinery

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單項(xiàng)選擇題

Mooring winches are often combined with （） units so that one prime mover drives both.

A.crane
B.hatch cover
C.windlass
D.steering gear

單項(xiàng)選擇題

Due to the large amount of heat picked up by the air in boiler and engine rooms, it would be （） to maintain ambient conditions within the comfort zone by air conditioning.

A.possible
B.necessary
C.practicable
D.impracticable

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The most common forms of main drive used on deck auxiliaries are （）.

你可能感興趣的試題

Mooring winches are often combined with （） units so that one prime mover drives both.

Due to the large amount of heat picked up by the air in boiler and engine rooms, it would be （） to maintain ambient conditions within the comfort zone by air conditioning.

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