Practice test

North Carolina HVAC Practice Test

Free North Carolina HVAC practice test with 20 questions on refrigeration, heating systems, EPA 608 rules, and NC heating contractor licensing. Instant scoring.

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These questions are for study practice only and are not official exam questions.

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Question 1

1

Under federal refrigerant handling rules, what is the general term for capturing refrigerant from a system and storing it in an external container without necessarily testing or processing it?

Question 2

2

Which refrigeration component increases the pressure and temperature of the refrigerant vapor?

Question 3

3

What is the general purpose of a filter drier installed in a refrigeration line?

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