单项选择题
To correct a hunting problem in a main propulsion diesel engine hydraulic governor, you should （）.
A.increase the governor oil pressure
B.adjust the speed droop setting
C.adjust the speeder spring travel
D.adjust the compensating needle valve
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相关考题
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单项选择题
The （） engine is used for alternators and sometimes for main propulsion with a gearbox to provide a propeller of between 90 to 120 rpm.
A.four-stroke
B.two-stroke
C.slow speed
D.reversible -
单项选择题
As for turbine oil, contacting with water in the form of steam will be inevitable so good （） properties will be essential.
A.defrosting
B.de-oiling
C.demulsifying
D.dehumidifying -
单项选择题
Precision engine bearing inserts are manufactured with a small portion of the bearing ends extending beyond the bearing housing or capsThe installation process of these bearings requires sufficient （）.
A.overlap
B.crush
C.lap or lead
D.protrusion
