Understanding Ozone Depletion and Refrigerants

Front

What is the primary function of the stratospheric ozone layer?

Back

To protect the Earth from ultraviolet radiation

Front

Which element in CFCs and HCFCs is responsible for ozone depletion?

Back

Chlorine

Front

What is the Ozone Depletion Potential (ODP) of CFC refrigerants?

Back

One or higher

Front

Which type of refrigerant has the lowest Global Warming Potential (GWP)? Options: CFCs, HCFCs, HFCs, Hydrocarbons (HCs)

Back

Hydrocarbons (HCs)

Front

What is the main environmental concern associated with HFC refrigerants?

Back

High global warming potential

Front

Which refrigerant is an example of a Hydrofluoroolefin (HFO)? Options: R-134a, R-410A, R-1234yf, R-600a

Back

R-1234yf

Front

What is the primary reason why chlorine from CFCs and HCFCs does not rain out of the atmosphere?

Back

It does not dissolve in water.

Front

Which refrigerant type is classified as having no ozone depletion potential and very low global warming potential? Options: CFCs, HCFCs, HFCs, HFOs

Back

HFOs

Front

What is the classification of refrigerants based on their flammability according to ASHRAE? Options: Class A and B, Levels 1, 2, and 3, Types X, Y, and Z, Groups I, II, and III

Back

Levels 1, 2, and 3

Front

Which of the following is a medium-pressure refrigerant at a liquid-phase temperature of 104°F? CFC-11, HCFC-22, HFC-134a, HFO-1233zd

Back

HFC-134a