ASE H7 HVAC (Transit Bus) Practice Questions - ASE H7 - Heating, Ventilation & Air Conditioning (Transit Bus) Certification Exam

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Tech A says R-134a and R-1234yf must never be mixed in the same system. Tech B says each refrigerant requires its own dedicated recovery/recycling equipment and service fittings. Who is correct?

Tech A only Tech B only Both Tech A and Tech B Neither

Correct Answer:

Both Tech A and Tech B

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