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單項(xiàng)選擇題

If a few injector spray holes become plugged, the result could be （）

A.excessive surging at governed speed
B.combustion knock under load
C.poor fuel combustion
D.all of the above

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單項(xiàng)選擇題

The sludge tank installed in the diesel engine room is used to collect（）
Ⅰ.sludge from the fuel oil settling tanks ad centrifuge
Ⅱ.water that has been collected in the settling tank

A.Ⅰonly
B.Ⅱ only
C.bothⅠand Ⅱ
D.neitherⅠor Ⅱ

單項(xiàng)選擇題

A supercharged diesel engine when compared to a similar naturally aspirated diesel engine, will develop an increase in （）

A.ignition lag
B.engine horsepower
C.lube oil system pressure
D.specific fuel consumption

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