Practice test

Florida HVAC Practice Test

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

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

Question 1

1

Where does the refrigerant absorb heat from the indoor air in a standard split air conditioning system?

Question 2

2

A technician measures high superheat and low subcooling on a fixed-orifice system. What does this combination most likely indicate?

Question 3

3

Under federal law, what certification must a technician hold to purchase refrigerant and service equipment containing it?

Question 4

4

What is the purpose of a limit switch on a gas furnace?

Question 5

5

In the basic refrigeration cycle, which component changes low-pressure refrigerant vapor into high-pressure, high-temperature vapor?

Question 6

6

Which measurement describes the temperature of refrigerant vapor above its boiling point at a given pressure, used to check charge on a fixed-orifice system?

Question 7

7

On a thermostatic expansion valve (TXV) system, what is the primary control variable the valve uses to regulate refrigerant flow?

Question 8

8

How many years of mechanical trade experience does Florida generally require before a candidate can sit for the HVAC contractor licensing exam?

Question 9

9

Under EPA regulations, the maximum leak rate that triggers a mandatory repair for a covered appliance is

Question 10

10

A heat pump in heating mode shows frost buildup on the outdoor coil during normal cold-weather operation. What component or cycle addresses this?

Question 11

11

Which EPA Section 608 certification type is required to service small appliances such as household refrigerators containing 5 pounds or less of refrigerant?

Question 12

12

In Florida, in a gas furnace, what is the primary function of the heat exchanger?

Question 13

13

What is the general purpose of a thermocouple or flame rod on an older standing-pilot gas furnace?

Question 14

14

What safety device is designed to shut down a gas furnace if the flame fails to ignite or is not detected?

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