单项选择题
If a hydraulic governor has been refilled with oil, the engine should be operated until it reaches normal temperaturethen the air should be purged, and the（）
A.rack position should be adjusted
B.compensating needle valve should be opened fully compensating
C.needle valve should be adjusted to stabilize operation
D.speed limiting device should be adjusted
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相关考题
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单项选择题
Which of the listed problems would be indicated by an accumulation of water in one cylinder, in addition to the crankcase of an idle diesel engine?（）
A.Excessive cylinder liner
B.water in the fuel system
C.Cracked cylinder liner
D.Leaking lube oil cooler -
单项选择题
While inspecting the main bearings on a diesel engine you find impregnated dirt and scratches in the bearing surface you would, therefore, suspect that （）
A.the bearing had been overheated
B.water was present in the oil
C.the lube oil was not being properly filtered
D.the maximum allowable bearing pressure had been exceeded -
单项选择题
Most large, low-speed, main propulsion diesel engines use duplex lube oil strainer to （）
A.decrease the time required between cleanings
B.removes all large and small foreign objects
C.ensure a positive flow of oil at all times
D.ensure that all lube oil has been treated twice
