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South Dakota HVAC Practice 4

Practice 4 for HVAC Exam learners in South Dakota: 25 questions, explained answers, and a review routine.

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

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Question 1

1

The phaseout schedule for HCFCs such as R-22 was driven by:

Question 2

2

Which document must accompany refrigerant that is sold or transferred for reclamation?

Question 3

3

When evacuating a system before recovery is complete, a technician should:

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