Refrigerants Flashcard 1

Front

What is high temperature refrigeration produced by?

Back

An air-conditioning system.

Front

True or False: An expansion valve is the pressure reducing device that controls the flow of liquid refrigerant into the evaporator.

Back

True.

Front

What is the function of the evaporator in a refrigeration system?

Back

It absorbs heat from the product to be cooled.

Front

What is a substitute for R-12 from a performance standpoint?

Back

R-134a.

Front

What type of compressor is referred to as a kinetic displacement compressor?

Back

Scroll compressor.

Front

Define refrigerant.

Back

A substance used in a heat pump or refrigeration cycle to transfer heat.

Front

What is the primary purpose of an expansion valve in a refrigeration system?

Back

To reduce the pressure of the refrigerant and control its flow into the evaporator.

Front

What happens to the refrigerant in the evaporator?

Back

It absorbs heat and evaporates.

Front

Name a common refrigerant used in modern air conditioning systems.

Back

R-410A.

Front

What is the role of the compressor in a refrigeration cycle?

Back

To compress the refrigerant vapor and increase its pressure.