單項(xiàng)選擇題

For a continuous operation diesel engine, a duplex filter unit would be the best arrangement because （）.

A.changing filter elements would not interrupt engine operation
B.filtering occurs twice in each pass of oil through the system
C.clogging will not occur
D.dropping pressure is half of that through a single filter unit

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單項(xiàng)選擇題

An increase in the air inlet manifold pressure of a diesel engine will result in a/an （）.

A.decrease in maximum cylinder pressure
B.increase in ignition lag
C.decrease in fuel consumption per horsepower-hour
D.decrease in exhaust manifold pressure

單項(xiàng)選擇題

The overspeeding of the diesel engine driving an electric generator could cause （）.

A.low voltage trip to trip
B.reverse power trip to trip
C.damage to windings
D.excessive exhaust temperatures

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For a continuous operation diesel engine, a duplex filter unit would be the best arrangement because （）.

你可能感興趣的試題

An increase in the air inlet manifold pressure of a diesel engine will result in a/an （）.

The overspeeding of the diesel engine driving an electric generator could cause （）.