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Iowa HVAC Practice 5

Practice 5 for HVAC Exam learners in Iowa: 25 questions, explained answers, and a review routine.

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Question 1

1

A technician recovers R-410A from a system into a recovery cylinder already holding R-22. The proper action is to:

Question 2

2

EPA-required recovery vacuum levels are generally deeper for:

Question 3

3

When a recovery cylinder reaches 80 percent of its rated liquid capacity, the technician should:

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