NCCER HVACR Practice Questions - NCCER HVACR HVAC Technician Exam

What is the function of the metering device in a refrigeration system?

To measure refrigerant flow rate for billing To reduce the pressure of liquid refrigerant and control flow into the evaporator To filter contaminants from the refrigerant To compress refrigerant vapor

Correct Answer:

To reduce the pressure of liquid refrigerant and control flow into the evaporator

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