單項(xiàng)選擇題

When attempting to restart a warm high-speed engine, which of the following reactions can you expect?（）

A.Excessive fuel
B.Higher than normal temperatures for star up
C.Longer starting periods
D.Higher than normal lube oil pressure

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單項(xiàng)選擇題

An increase in the load on a turbocharged diesel engine operating at constant speed will result in an increase in （）

A.exhaust
B.air box pressure
C.brake main effective pressure
D.all of the above

單項(xiàng)選擇題

Which of the following procedures should be carried out to permit the use of a crosshead engine with an inoperable after-cooler?（）

A.Bypass the after-cooler to operate at speed
B.Run at reduced speed until the cooler can be repaired or renewed
C.Switch to diesel fuel and run at full speed
D.Nothing need to be done due to the low heating value of heavy fuel