A、loss of flow in the fuel system B、loss of pressure in the air system C、loss of flow in the lubricating system D、loss of pressure in the lubricating system
A、loss of flow in the fuel system B、loss of pressure in the air system C、loss of flow in the lubricating system D、loss of pressure in the lubricating system
A、Defective temperature controls in the system B、Cavitation in the cooling water pump C、Opened vent in the cooling system D、Restricted water passages in the engine
A、insufficient condenser cooling water B、excessive condenser cooling water C、air in the refrigeration system D、excessive refrigerant in the system
A、A.too much refrigerant in the system B、B.oil entrained in the refrigerant C、C.less than a full charge of refrigerant in the system D、D.ice crystals forming in the refrigerant
A、a shortage of refrigerant in the system B、air in the system C、an accumulation of liquid refrigerant in the crankcase D、a shortage of oil in the crankcase
A、the highest point in the system B、the lowest point in the system C、near the floor D、plate level or near the tank top level