Epa 609 stuvia - Study guides, Class notes & Summaries

ozone layer - Answer Protective layer in atmosphere that shields earth from UV radiation and helps maintain stable earth temperature What is ozone depletion? - Answer Release of refrigerants into the atmosphere Ozone depletion causes - Answer Cataracts, skin cancer, crop loss, deforestation, immune system suppression ozone layer is - Answer "Good up high , bad nearby" at ground level the ozone layer can be harmful to breathe Ozone molecule consists of - Answer 3 oxygen atoms Wha...

MVAC systems being disposed must be evacuated to _____ of mercury before being scrapped - Answer 4 inches R-134a is a chlorine-free refrigerant - Answer True Ozone Layer absorbs and scatters____ light from the sun - Answer Ultraviolet light Each chlorine ion is able to destroy ______ ozone molecules - Answer 100 thousand Ozone Depletion Potential ofb________ having been assigned a factor of 1 - Answer CFC-11 Ozone at ground levelof the Stratosphere is a harmful pollutant. T or F? ...

How much does the 609 certification exam cost? - Answer $20 What does EPA stand for? - Answer Environmental Protection Agency What is the purpose of in-liquid-line filters? - Answer To trap debris Name 3 things that may lead to an inaccurate A/C system refrigerant charge - Answer (1) Equipment inaccuracy (2) Incorrect conversion calculations (3) inaccurate label on vehicle Name 3 things involved in using dye to find leaks. - Answer (1) Goggles (2) Trace dye (3) UV flashlight Stand...

the recovery process on an R-12 or R-134a A/C system should continue until a stable vacuum held by the system for - Answer 2 minutes technician a says that the refrigerant container should be placed in a cooler storage area before use technician b says that the vapor in the container should be slowly vented into a refrigerant handling unit - Answer b only the ozone layer filters out most of the suns harmful - Answer ultraviolet radiation the reduction of ozone in the stratosphere co...