Unit 9

How many chlorine atoms does it take to destroy 100,000 ozone molecules in the stratosphere?

• a. 1

• b. 10

• c. 100

• d. 1,000

The ______ takes into consideration both the direct and indirect global warming effects of refrigerants.

• d. TEWI
• GWP

• GWI

• ODP

Which of the following refrigerants is a CFC-type refrigerant?

• a. R-22

• b. R-123

• c. R-134a

• d. R-12

Which type of refrigerant has the highest Ozone Depletion Potential (ODP)?

• a. HFC

• b. HCFC

• c. CFC

• d. All have the same ODP.

The abbreviation for refrigerants containing chlorine, fluorine, and carbon is ____.

• a. HFC

• b. HCFC

• c. CFC

• d. HFAC

As of July 1, 1992, it is illegal to intentionally vent ____ refrigerants into the atmosphere.

• CFC

• HCFC

• Polyvinylether (PVE)

• Both a and b

Which of the following is an example of an HCFC refrigerant?

• R-12

• R-22

• R-32

• R-134a

Which of the following refrigerants is considered an HFC-type of refrigerant?

• R-134a

• R-12

• R-22

• R-11

The abbreviation for refrigerants containing chlorine, fluorine, carbon, and hydrogen is ____.

• HFC

• HCFC

• CFC

• HFAC

The abbreviation for refrigerants containing fluorine, carbon, and hydrogen is ____.

• HFC

• HCFC

• CFC

• HFAC