單項(xiàng)選擇題

Typical marine propulsion plants include（） directly coupled to the vessel’s single large-diameter, fixed-pitch propeller.

A.a single, long-stroke, slow-speed, turbocharged, two-stroke diesel engine
B.a single, long-stroke, medium-speed, turbocharged, four-stroke diesel engine
C.two medium-speed, turbocharged, four-stroke diesel engines
D.a variable-speed AC generator

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單項(xiàng)選擇題

Propulsion of the vast majority of contemporary merchant ships (especially containerships and VLCCs) utilizes（） as prime mover.

A.gas turbine
B.diesel engine
C.steam engine
D.gasoline engine

單項(xiàng)選擇題

（）are increasingly used as main engine on merchant vessels, because they have a high Hp/Weight ratio.

A.Slow speed diesel engines
B.Medium-speed diesel engines
C.Steam engines
D.Gasoline engines

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Typical marine propulsion plants include（） directly coupled to the vessel’s single large-diameter, fixed-pitch propeller.

你可能感興趣的試題

Propulsion of the vast majority of contemporary merchant ships (especially containerships and VLCCs) utilizes（） as prime mover.

（）are increasingly used as main engine on merchant vessels, because they have a high Hp/Weight ratio.

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