單項選擇題

If the compressor runs continually, the cause might be the（）

A.high-pressure cutout switch is jammed open
B.low-pressure switch is jammed shut
C.thermal bulb is not operating properly
D.scale trap is clogged

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單項選擇題

The bulb for the thermal expansion valve is located（）

A.in the middle of evaporator coils
B.near the evaporator coil outlet
C.near the evaporator coil inlet
D.on the bottom row of evaporator coils

單項選擇題

The thermal expansion valve responds to the（）

A.amount of superheat in the vapor leaving the coil
B.amount of superheat in the liquid
C.temperature in the evaporator coils
D.pressure in the evaporator coils

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If the compressor runs continually, the cause might be the（）

你可能感興趣的試題

The bulb for the thermal expansion valve is located（）

The thermal expansion valve responds to the（）

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