單項(xiàng)選擇題

Which of the listed diesel engine operating conditions should be checked immediately after any diesel engine is started?（）

A.Exhaust temperature
B.Lube oil level
C.Lube oil pressure
D.Water level in the expansion tank

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Adjustments to the compensating needle valve in a hydraulic governor should be made with the engine at （）

A.maximum power at a normal load
B.maximum power and load under normal conditions
C.half speed and normal temperature
D.normal operating temperature without a load

單項(xiàng)選擇題

To guarantee that a reduction gear bearing is receiving proper oil supply, you should check the （）

A.lube oil temperature at the cooler outlet
B.lube oil strainer magnets bearing
C.lube oil temperature
D.lube oil pressure to the bearing