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單項(xiàng)選擇題

If a four-stroke/cycle diesel engine is running at 1550 RPM, the speed of the camshaft will be（）.

A.525 RPM
B.775 RPM
C.1550 RPM
D.1800 RPM

單項(xiàng)選擇題

An indication of a diesel engine air intake being partially clogged, is （）.

A.low firing pressure and low exhaust temperatures
B.low firing pressure and normal exhaust temperatures
C.high firing pressure and low exhaust temperatures
D.high firing pressure and high exhaust temperatures

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For proper operation, auxiliary boiler feed water must have which of the following characteristics?（）

你可能感興趣的試題

If a four-stroke/cycle diesel engine is running at 1550 RPM, the speed of the camshaft will be（）.

An indication of a diesel engine air intake being partially clogged, is （）.