ASE T7 - Heating, Ventilation, and Air Conditioning (HVAC) Refrigerant Practice Questions
The free ASE T7 - Heating, Ventilation, and Air Conditioning (HVAC) questions that deal with refrigerant, with answers and explanations. The full bank and the timed practice test cover every topic the exam asks about.
Question #4
Which refrigerant is known for its ozone-depleting properties?
Correct answer: B
Explanation
R-22 has been known to deplete ozone, leading to its phase-out under international agreements.
Question #8
What might indicate an HVAC system is low on refrigerant?
Correct answer: B
Explanation
If the indoor humidity rises, it may indicate the system isn't removing moisture effectively due to low refrigerant.
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