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HVAC Practice Exam 14

Advanced HVAC practice exam 14: leak-rate calculations, overcharge and undercharge diagnosis, psychrometrics, and condensing furnace performance, with answers.

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Question 1

1

A 600-pound industrial process refrigeration system leaks at 32 percent annually. After two failed repair attempts, the owner may, in lieu of repair, choose to:

Question 2

2

The 'de minimis' release exception under Section 608 applies to:

Question 3

3

An appliance containing 60 pounds of R-410A is being retrofitted to a lower-GWP refrigerant. The recovered R-410A must be:

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