單項(xiàng)選擇題

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

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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

單項(xiàng)選擇題

In a jerk pump, the amount of fuel that will be forced through the spray nozzle on each upward stroke of the plunger depends on （）

A.the pump supply pressure
B.the slope of the fuel cam
C.how the plunger is rotated
D.the number of sleeve segments engaged with the rack

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

你可能感興趣的試題

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

In a jerk pump, the amount of fuel that will be forced through the spray nozzle on each upward stroke of the plunger depends on （）