Red Seal HVAC 313A Practice Test
313A Metering Devices
What is the primary function of a metering device in a refrigeration system?
Select your answer
A
To measure the amount of refrigerant in the system
B
To reduce the pressure and temperature of the liquid refrigerant before it enters the evaporator, and to control refrigerant flow rate
C
To measure the superheat at the compressor
D
To regulate the speed of the compressor
Hint
