Practice test

HVAC Practice Exam 11

Intermediate-tier HVAC practice exam with 25 questions on EPA 608 recovery rules, superheat and subcooling diagnosis, and gas furnace combustion and airflow.

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

Question 1

1

A Type II recovery on a high-pressure appliance with an open (active) compressor must reach what recovery vacuum level under EPA 608?

Question 2

2

Under the leak-repair rules for a commercial refrigeration appliance with a full charge over 50 pounds, what annual leak rate has historically triggered mandatory repair?

Question 3

3

After a leak exceeds the trigger rate, within how many days must the owner repair the leak or develop a retrofit/retirement plan?

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