单项选择题
When attempting to start a main propulsion diesel engine, the engine, the engine turns at the proper speed but will not startYou should check the（）
A.starting air pressure
B.scavenge air pressure
C.over-speed trip
D.banjo oiler line
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相关考题
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单项选择题
The speed of the turbocharger for a four-stroke/cycle diesel engine driving a generator at constant speed depends on the （）
A.engine speed
B.kilowatt load
C.fuel injection pressure
D.air intake manifold temperature -
单项选择题
The operating speed of a turbocharger is directly dependent upon（）
A.engine speed
B.engine load
C.intake manifold pressure
D.atmospheric pressure -
单项选择题
A four-stroke/cycle, 1000horsepower diesel engine fails to start at normal cranking speed with normal fuel pressure and ambient temperatureThe reason for the failure could be（）
A.glazed liners or pistons
B.high lube oil pressure
C.excessive compression ratio
D.worn valve seats and valves
