你可能感興趣的試題

單項(xiàng)選擇題

In an operating refrigeration system low on refrigerant, a liquid line sight glass will（）

A.be clear
B.be blue
C.be light green
D.show bubbles

單項(xiàng)選擇題

The thermal expansion valve reacts directly to the （）

A.temperature in the space being cooled
B.liquid refrigerant pressure at the solenoid valve
C.pressure drop across the evaporator coils
D.refrigerant gas superheat at the coil outlet

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In the presence of an open flame or hot surfaces, chlorinated fluorocarbon refrigerants decomposes and from （）

你可能感興趣的試題

In an operating refrigeration system low on refrigerant, a liquid line sight glass will（）

The thermal expansion valve reacts directly to the （）