ACR-104 Final Exam (REVIEW)

Front

Refrigerant in the evaporator

Back

changes from liquid to vapor.

Front

When an evaporator experiences a heat-load increase, the suction pressure

Back

increases.

Front

A medium-temperature refrigeration box operates within what temperature range?

Back

28°F to 40°F

Front

Air-cooled condensers are much more efficient than water-cooled condensers.

Back

False

Front

What would be considered a higher-than-normal temperature for a discharge gas line on a reciprocating compressor?

Back

250°F

Front

Which compressor type uses pistons to compress the gas?

Back

Reciprocating

Front

Which compressor type uses tapered, machined gear components to trap the gas for compression?

Back

Screw

Front

What lubricates the refrigeration compressor?

Back

Oil

Front

A compressor can compress a liquid.

Back

False

Front

The bulb of the TXV is mounted on the

Back

evaporator outlet.