HVAC Excellence 2

A liquid receiver is used to prevent liquid refrigerant from entering the compressor.

• True

• False

Bubbles in a sight glass may indicate low compressor capacity.

• True

• False

A solenoid valve in a pump down system is located before the evaporator coil.

• True

• False

A liquid-to-suction heat exchanger increases liquid subcooling.

• True

• False

A low pressure cut-off switch is used to prevent the evaporator from freezing.

• True

• False

The oil separator is installed in the discharge line.

• True

• False

Moisture in the refrigeration system has no effect on the compressor.

• True

• False

An energy recovery ventilator is used to remove excess moisture from refrigerant.

• True

• False

The only way to minimize flash gas is by subcooling.

• True

• False

An accumulator prevents liquid refrigerant from reaching the compressor.

• True

• False