In a naturally aspirated diesel engine, the volume of air intake is directly related to engine （）.

A、compression ratio

B、valve size

C、fuel pressure

D、cylinder clearance volume

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更多“In a naturally aspirated diesel engine, the volume of air intake is directly related to engine （）.”相关的问题

第1题

[单选题] In a （） engine the charge of air in the cylinder before compression commences is above atmospheric pressure.

A、pressure charged B、naturally aspirated C、contaminated D、high speed diesel

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第2题

[单选题] A supercharged diesel engine when compared to a similar naturally aspirated diesel engine, will develop an increase in （）

A、ignition lag B、engine horsepower C、lube oil system pressure D、specific fuel consumption

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第3题

[单选题] A turbocharged, four-stroke/cycle diesel engine has a larger valve overlap than a naturally aspirated four-stroke/cycle diesel engine, in order to in crease the （）.

A、temperature of the exhaust gases B、energy supplied to the turbocharger C、air pressure to the intake manifold D、purge of exhausted gases from the cylinders

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第4题

[单选题] Diesel engines obtain combustion air through turbo chargers，blowers，or（）.

A、air starters B、carburetors C、natural aspiration D、air receivers

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第5题

[单选题] Compared to a naturally aspirated diesel engine, a supercharged diesel engine has（）

A、a cylinder air charge of higher pressure B、increased pumping losses C、less valve overlap D、reduced blow-by

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第6题

[] Exhaust gases are generally removed from the cylinders of a two-stroke/cycle diesel engine by（）

A、A.natural aspiration B、B.masked intake valves C、C.air cells D、D.scavenging air

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第7题

[单选题] Which of the following beneficial results can be expected from supercharging a previously naturally aspirated engine?（）

A、Increased turbulence B、increased mechanical efficiency C、Increased brake mean effective pressure D、All of the above

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第8题

[单选题] In the book"Nature",Emerson stated that（）

A、man.s relationship with nature transcends the idea of usefulness B、nature is useful to man C、nature is independent of man and has nothing to do with man D、nature can only be used by man