and Answers Graded A+
When a leak in a low pressure appliance makes the required recovery level unattainable the
appliance should be evacuated to________ 0 psig or atmospheric pressure
Why should all recovery equipment be fitted with low-loss fitting? To minimize
refrigerant loss when hoses are disconnected
What type of appliance can a technician work on with a type 3 certification? Low
pressure appliances such as chillers
What do CFC-11, HCFC-123, HFC-245fa, and HFO-1233zd have in common? They are
low pressure refrigerants that have high boiling points
Low pressure appliances operate In a vacuum or below atmospheric pressure
Where does the purge unit take its suction from? The top of the condenser
What is the pressure relief device on a low-pressure chiller called? A rupture disc