On most diesel engines, the governor controls the output speed by （）.

A、controlling the amount of fuel injected into the cylinders

B、varying the speed of the turbocharger

C、adjusting the compression ratio

D、changing the timing of the fuel injection camshaft

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更多“On most diesel engines, the governor controls the output speed by （）.”相关的问题

第1题

[单选题] （） the engines, the diesel engine is（） used engine on board.

A、Between；more commonly B、Among；the most commonly C、Between；not more commonly D、Among；not the most commonly

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第2题

[单选题] The size of the exhaust valve opening is （）

A、most critical in a four-stroke cycle diesel engine B、most critical in a two-stroke/cycle diesel engine C、most critical in a four-stroke/cycle diesel engine if it is turbocharged D、of equal importance in a two-stroke/cycle diesel engine as in a four-stroke/cycle diesel engine

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第3题

[单选题] 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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第4题

[单选题] （）, so they are widely used on board ship nowadays.

A、Diesel engines have more advantages in comparison with gasoline engines B、Diesel engines have more advantages in comparison to gasoline engines C、Gasoline engines have more advantages in comparison with diesel engines D、Gasoline engines have more advantages in comparison to diesel engines

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第5题

[] The over-speed trip installed on most diesel engine will stop the engine by shutting off the （）

A、A.water supply B、B.fuel oil supply C、C.lube oil supply D、D.exhaust damper

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第6题

[单选题] “This increase in charge air density is accomplished on most modern diesel engine types by use of exhaust gas turbo-charging, in which a turbine wheel driven by exhaust from the engine is rigidly coupled to a centrifugal type air compressor” According to this sentence, we can know that increases density（）, drives the compressor directly（）

A、a modern diesel engine；a turbine wheel B、a modem diesel engine；exhaust gases C、a compressor；an exhaust gas turbocharger D、a compressor；a turbine wheel

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第7题

[单选题] （）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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第8题

[] On most modern diesel engines, the main and connecting rod bearings receive their lubricating oil by （）.

A、A.banjo feed B、B.splash feed C、C.gravity feed D、D.pressure feed

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第9题

[单选题] Most troubles likely to occur with marine diesel engine can, if located in time, be remedied with no difficulty and many can be （）if the engine is maintained with a high sense of responsibility to the people on the part of the motormen and engineers.

A、found out B、eliminated C、avoided D、lowered