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單項選擇題

The most common instrument used to measure diesel engine exhaust pressure is the （）

A.pyrometer
B.bourdon gauge
C.pneumercator
D.manometer

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單項選擇題

A sudden drop in compression pressure in one cylinder of a diesel engine can be caused by（）

A.a leaking fuel injector nozzle
B.a clogged air filter
C.excessively early fuel injection
D.malfunctioning valves

單項選擇題

One end of a diesel engine cylinder is sealed by the cylinder head and the other end by the （）

A.crankcase
B.piston
C.cylinder liner
D.crank cheek

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