Two types of pressure relief valves are spring-loaded and one-time.

• true

• false

Which is not a basic component of the compression refrigeration cycle?

• compressor

• Suction Line

• evaporator

• condenser

The purpose of the crankcase pressure-regulating valve is to

• prevent a compressor overload condition.

• maintain constant pressure in the crankcase.

• maintain constant pressure in the evaporator.

• prevent a compressor from going into a vacuum.

Which is not a method of low-ambient control on air-cooled equipment?

• turning the compressor off

• modulating the TXV

• flooding the condenser

• flooding the evaporator

Low-temperature refrigeration systems utilize off-cycle or hot gas defrost cycles.

• true

• false