Practice test

West Virginia HVAC Practice 9

Practice 9 for HVAC Exam learners in West Virginia: 25 questions, explained answers, and a review routine.

Free preview

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

Preview answers are not saved as full test results.

Question 1

1

R-22 is classified under which refrigerant family, and why is it being phased out?

Question 2

2

Which EPA 608 certification type covers technicians who service small appliances containing five pounds or less of refrigerant, such as household refrigerators and window AC units?

Question 3

3

A technician recovers refrigerant from a large commercial chiller using R-123. After recovery, what vacuum level must be achieved, and which EPA 608 type covers this equipment?

Enable JavaScript for the interactive step-by-step quiz with instant scoring and explanations.