单项选择题
Clogged or partially obstructed exhaust ports on a diesel engine can cause（）
A.over-speeding of the engine
B.failure of the engine to shut down
C.no effect of engine mounting bolts
D.high exhaust temperatures
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相关考题
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单项选择题
A diesel engine is turned at normal cranking speed and no ignition occursThis could be the result of （）
A.low lube oil temperature
B.low starting air temperature
C.air bubbles in the fuel oil system
D.water in the starting air system -
单项选择题
Which of the listed failures, occurring in an automated diesel generator system, should cause an audible alarm at the engine room control station?（）
A.Low cooling water outlet temperature
B.High lube oil pressure
C.Low lube oil temperature
D.Low starting air pressure -
单项选择题
A diesel engine may be hard to start if the （）
A.air intake is restricted
B.engine is cranked too fast
C.vibration dampener is faulty
D.exhaust back pressure is low
