搜题

【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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更多“The marine diesel engine is a type of diesel engine used on ships The （） of its operation is not very difficult to understand.”相关的问题

第1题

[单选题] In a marine diesel engine the oil sump is （）.

A、just below the crankcase B、the oil cup for the exhaust valve C、the pan for collecting drain fuel oil D、oil circulating pump

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第2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3题

[单选题] The development of （） has kept pace with the increasing demands made by the steady rise in power produced by modem marine diesels.

A、water B、fresh air C、oils D、gases

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第4题

[单选题] In large marine diesel engines cylinder oils usually contain additives formulated to impart the （） to clean the rings and grooves.

A、inefficiency B、oiliness C、detergency D、purity

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第5题

[单选题] One of the factors limiting the amount of load which can be put on a modern marine diesel engine is the （）

A、governor sensitivity B、exhaust temperature C、fuel injection pressure D、speed of the can shaft

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第6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7题

[] Fresh water is used for the cooling of cylinder jackets and （） of the marine diesel engine.

A、A.cylinder covers B、B.lubricating space C、C.crosshead D、D.exhaust manifold

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第8题

[] Turbocharging of marine diesel engine is achieved by two distinct methods, （） termed the constant pressure and the pulse system.

A、A.respectable B、B.respectful C、C.respective D、D.respectively

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第9题

[单选题] A viscous damper, as used on a marine diesel, is a sealed precision built device which dampens the torsional vibrations in the （）.

A、camshaft B、flywheel C、crankshaft D、thrust shaft

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