Practice test

HVAC Practice Exam 15

Expert HVAC practice exam 15: 25 tough questions on reclaim purity, compression ratio, capacity calculations, and combustion tuning, with instant explanations.

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

Question 1

1

A reclaimer purchases recovered R-134a and processes it. To certify it for resale they must verify it meets AHRI 700 and:

Question 2

2

Under the venting prohibition, releasing nitrogen used for pressure testing that contains a trace of refrigerant is:

Question 3

3

A technician finds a 90-pound comfort-cooling chiller leaking at 12 percent annually. The 10 percent comfort-cooling trigger means the owner must:

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