In refrigeration systems with multiple evaporators, the metering of refrigerant to each refrigerated space evaporator is accomplished by what device?

Official USCG Answer & Rule Citation

Correct Answer: Option A — the individual thermal expansion valves

Multi-evaporator refrigeration plants supply liquid refrigerant from a common receiver to individual evaporators, where dedicated individual thermal expansion valves precisely meter flow to match each respective refrigerated space load.

Advertisement