單項選擇題

Any increase in the exhaust back pressure of a four-stroke/cycle diesel engine will （）.

A.reduce engine horsepower output
B.aid in silencing the exhaust noise
C.increase the mean effective pressure
D.contribute to effective cylinder scavenging

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單項選擇題

High exhaust temperature and black smoke exhausting from an auxiliary diesel engine can be caused by （）.

A.engine overload
B.low combustion temperature
C.plugged fuel nozzle holes
D.excessive compression pressure

單項選擇題

On most diesel engines, the governor controls the output speed by （）.

A.controlling the amount of fuel injected into the cylinders
B.varying the speed of the turbocharger
C.adjusting the compression ratio
D.changing the timing of the fuel injection camshaft

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Any increase in the exhaust back pressure of a four-stroke/cycle diesel engine will （）.

你可能感興趣的試題

High exhaust temperature and black smoke exhausting from an auxiliary diesel engine can be caused by （）.

On most diesel engines, the governor controls the output speed by （）.

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