On a turbo-charged, medium-speed diesel engine, which of the following problems is an indication of a restricted air intake passage?（）

A、Engine is hard to start

B、Engine misses

C、Surges at governed RPM

D、Coolant temperature is too low

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更多“On a turbo-charged, medium-speed diesel engine, which of the following problems is an indication of a restricted air intake passage?（）”相关的问题

第1题

[单选题] Which of the turbo-charging systems listed operates with the least average back pressure in the exhaust manifold?（）

A、Constant volume B、Constant pressure C、Pulse pressure D、Radial flow

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第2题

[单选题] Forcing the exhaust gases form the cylinder of an operating diesel engine with the aid of a blower is known as （）

A、scavenging B、forced draft C、turbo-charging D、aspiration

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第3题

[单选题] Which of the turbo-charging methods listed directs the exhaust gases to the turbine at fairly uniform velocity and pressure?（）

A、Constant pressure B、Pulse C、constant velocity D、Axial flow

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第4题

[单选题] One characteristic of a pulse type turbo-charging system is（）

A、high average exhaust manifold B、greatly fluctuating inlet manifold pressure C、constant exhaust manifold pressure D、multiple exhaust pipes to the turbocharger

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第5题

[单选题] Which of the following conditions is realized by the turbo-charging of a previously naturally aspirated diesel engine?（）

A、Ignition lag increases B、Lube oil system pressure increases C、Brake specific fuel consumption increased D、Mechanical efficiency increaded

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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