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Maryland HVAC Practice 9

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

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Question 1

1

A technician must recover R-22 from a 10-pound split system before replacing the compressor. The correct recovery target is:

Question 2

2

A blend that has fractionated in the cylinder (vapor withdrawn) is best handled by:

Question 3

3

Calculating refrigerant to recover, a 7.5-ton unit holding 22 lb of R-410A must be fully recovered. The technician should:

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