Technician A says that both R-12 and R-134a refrigerants are lighter than air when in a gaseous state.Technician B says that using an electronic leak detector is not always the best way of sourcing a leak because its sensitivity can make identifying the location difficult.Who is correct?

Question

Quizplus · Accepted Answer

Technician B is correct because while electronic leak detectors are highly sensitive and useful for detecting the presence of refrigerant leaks, their high sensitivity can sometimes make it difficult to pinpoint the exact location of a small or slow leak. Technician A is incorrect because R-134a is heavier than air, not lighter.

Technician a Says That Both R-12 and R-134a Refrigerants Are