搜题

【单选题】

A marine diesel engine is started by（）

A、supplying high pressure oil into a hydraulic motor

B、supplying high temperature air into the cylinder

C、supplying high pressure air into the cylinder

D、electrical igniting

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更多“A marine diesel engine is started by（）”相关的问题

第1题

[单选题] The marine diesel engine is a type of diesel engine used on ships The （） of its operation is not very difficult to understand.

A、principle B、principal C、cause D、case

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第2题

[单选题] Cylinders of marine diesel engines are normally cooled by （）.

A、sea water B、fine mineral oil C、sanitary water D、fresh water

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第3题

[单选题] Under manoeuvring condition the main engine may run on （）.

A、gas oil B、marine diesel oil C、residue oil D、crude oil

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第4题

[单选题] The following preparations are essential for any （） of marine diesel engine before it may be started.

A、doing B、make C、turn D、operating

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第5题

[单选题] All marine low-speed diesels are of what design?（）

A、Four-stroke B、Two-stroke C、Electronic ignition D、Forced exhaust

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第6题

[单选题] To meet the market requirements, a marine diesel engine should not be of（）

A、big size B、fuel economy C、low speed D、high power

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第7题

[单选题] 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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第8题

[单选题] The starting of a marine diesel engine is generally carried out with the assistance of （）.

A、compressed air B、electricity C、hydraulic oil D、compressing air

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第9题

[单选题] Marine four-stroke diesel engines are mainly （）.

A、of crosshead type B、of trunk piston type C、of low speed type D、all the above

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第10题

[单选题] （） providing lubricating films, oil used in marine diesel engines have to remove heat from oil cooled piston.

A、Except for B、Beside C、Except D、In addition to

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