單項(xiàng)選擇題

One function of the thermal expansion valve is to（）

A.act as a pilot from the solenoid valve
B.regulate the amount of refrigerant flow to the coil
C.regulate the water flow
D.turn the compressor off and on

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單項(xiàng)選擇題

Constant superheat is maintained at the evaporator outlet of a refrigeration coil by a（）

A.solenoid valve
B.low pressure cutout switch
C.king valve
D.thermal expansion valve

單項(xiàng)選擇題

Hot gas bypass is one of the methods used to （）

A.relieve excessive compressor head pressure
B.produce flash gas at the expansion valve
C.reduce flooding of the receiver at low load
D.defrost the evaporator coils

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One function of the thermal expansion valve is to（）

你可能感興趣的試題

Constant superheat is maintained at the evaporator outlet of a refrigeration coil by a（）

Hot gas bypass is one of the methods used to （）