A、removing all but the frictional load during starting
B、relieving intercoolers of high temperature buildups
C、providing high starting torque in the drive motor
D、seating valve plates during compressor shutdown
更多“Air compressors are equipped with unloading systems for the purpose of（）.”相关的问题
A、Suez Canal searchlight, air compressor and air conditioning compressor B、Air compressor, boiler blower and refrigeration plant C、Boiler blower, Suez Canal searchlight and refrigeration plant D、Suez canal searchlight, air compressor and boiler blower
A、High pressure compressors are more efficient than low pressure compressors B、Mechanical efficiency divided by compressor efficiency will equal the overall efficiency of the compressor unit C、Two stage compressors are generally more efficient than single stage compressors D、The volumetric efficiency is decreased in multistage compressors
A、compressor is overloaded B、motor is overloaded C、foundation bolts are loose D、belts are too tight
A、The density of the air entering the compressor B、The temperature of the air entering the compressor C、The designed rotating speed of the compressor D、A leaking head gasket
A、an auxiliary reservoir B、a controlling air bottle C、an emergency air compressor D、a main air compressor
A、an immediate crankcase explosion B、oil contamination in the compressed air C、a decrease in compressor capacity D、no immediate loss of the compressed air capacity
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