Free 25-question EPA 608 Core practice quiz

These are original Brassleaf practice questions, not official EPA exam questions. Their subject areas are mapped to the EPA Section 608 Test Topics. The apprentice supervision question is based on the EPA certification requirements. A qualified HVAC technician review is pending.

EPA 608 Core0 of 25 answered

Question 1 of 25

Environmental impacts

How can chlorine from some refrigerants contribute to ozone depletion?

Ultraviolet light can break down the compounds and release chlorine.It converts stratospheric ozone into liquid water.It raises the pressure inside the ozone layer.It removes oxygen from every part of the atmosphere.

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