单项选择题
A.Exhaust temperature B.Lube oil level C.Lube oil pressure D.Water level in the expansion tank
Adjustments to the compensating needle valve in a hydra...
单项选择题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
To guarantee that a reduction gear bearing is receiving...
单项选择题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
In a jerk pump, the amount of fuel that will be forced ...
单项选择题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
