单项选择题
Which of the following faults would allow lube oil to enter the cooling system of a diesel engine?（）
A.Excessive valve train lubrication
B.Leaking standby oil cooler core
C.Excessive lube oil pressure
D.Excessive lube oil in the system
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相关考题
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单项选择题
Problems with the diesel engine fuel injection pump are usually caused by（）
A.improper adjustment
B.contaminated fuel
C.kinked fuel lines
D.excessive engine vibration -
单项选择题
Diesel engine cylinder head test cocks are used to（）
A.check cylinder lubrication prior to starting engine
B.connect exhaust gas analyzers to determine engine efficiency
C.pressure test cylinder heads to check for leaks
D.remove moisture accumulations from cylinder prior to starting -
单项选择题
A turbocharged diesel engine will have an intake manifold pressure（）
A.constantly decreasing as engine load increase
B.constantly increasing as the amount of supercharging increases
C.approximately equal to exhaust manifold pressure at all times
D.approximately equal to atmospheric pressure at all times
