单项选择题

The temperature of the refrigerant in the evaporator coil depends mostly upon the （）.

A.refrigerant pressure in the evaporator
B.cooling water temperature to the condenser
C.heat load in the refrigerator compartment
D.solenoid valve in the liquid line

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单项选择题

Refrigerant is circulated through a refrigeration system by the （）.

A.compressor
B.condenser
C.expansion valve
D.evaporator

单项选择题

The type of gauge most commonly used to measure pressure is the （）.

A.bimetallic type
B.diaphragm type
C.bourdon tube type
D.resistance-temperature type

单项选择题

When refrigerant leaves the receiver, it flows next on to the （）.

A.evaporator coils
B.liquid strainer
C.compressor
D.condenser