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HVAC
NATE Core & Service Certification
Refrigerant Management & Service Procedures
Knowledge Check
Refrigerant Management & Service Procedures
Knowledge Check
Knowledge Check
1 / 18
What effect do non-condensable gases (such as air or nitrogen) have when present in a refrigerant system?
A
They cause abnormally high head pressure, elevated discharge temperature, and reduced capacity
B
They reduce discharge temperature and improve compressor efficiency
C
They lower suction pressure and improve subcooling
D
They have no effect since they are inert
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