單項(xiàng)選擇題

Maximum horsepower of a diesel engine is attained （）.

A.when the engine RPM is pulled down by overload
B.at rated engine RPM
C.at 95 % of rated engine RPM
D.at 95 % of a properly adjusted governor RPM with the engine under full load

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單項(xiàng)選擇題

Engine protection by means of an alarm or shutdown control can be obtained with devices that are sensitive to （）.

A.temperature
B.pressure
C.engine speed
D.all of the above

單項(xiàng)選擇題

In diesel engines, the four basic events (intake, compression, power and exhaust) are performed once in （）.

A.two crankshaft revolutions in a two-stroke/cycle engine
B.two power strokes in a two-stroke/cycle engine
C.one power stroke in a two-stroke/cycle engine
D.two piston strokes in a two-stroke/cycle engine

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Maximum horsepower of a diesel engine is attained （）.

你可能感興趣的試題

Engine protection by means of an alarm or shutdown control can be obtained with devices that are sensitive to （）.

In diesel engines, the four basic events (intake, compression, power and exhaust) are performed once in （）.

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