Practice test

California HVAC Practice Test

Free California HVAC practice test with 20 questions on refrigeration, heating systems, EPA 608 rules, and CSLB C-20 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

In a forced-air gas furnace, what is the primary purpose of the heat exchanger?

Question 2

2

In a heat pump system, what does the reversing valve do?

Question 3

3

A technician measures a suction line superheat much higher than the manufacturer's specification. Which condition most likely explains this reading?

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