WorksheetsUnderstanding Ozone Depletion and Refrigerants
Total questions: 10
Worksheet time: 5mins
What is the primary function of the stratospheric ozone layer?
To absorb infrared radiation
To protect the Earth from ultraviolet radiation
To trap greenhouse gases
To regulate atmospheric pressure
Which element in CFCs and HCFCs is responsible for ozone depletion?
Hydrogen
Fluorine
Chlorine
Carbon
What is the Ozone Depletion Potential (ODP) of CFC refrigerants?
Zero
Between zero and one
One or higher
Negative
Which type of refrigerant has the lowest Global Warming Potential (GWP)?
CFCs
HCFCs
HFCs
Hydrocarbons (HCs)
What is the main environmental concern associated with HFC refrigerants?
High ozone depletion potential
High global warming potential
High flammability
High toxicity
Which refrigerant is an example of a Hydrofluoroolefin (HFO)?
R-134a
R-410A
R-1234yf
R-600a
What is the primary reason why chlorine from CFCs and HCFCs does not rain out of the atmosphere?
It is too heavy
It dissolves in water
It does not dissolve in water
It reacts with oxygen
Which refrigerant type is classified as having no ozone depletion potential and very low global warming potential?
CFCs
HCFCs
HFCs
HFOs
What is the classification of refrigerants based on their flammability according to ASHRAE?
Class A and B
Levels 1, 2, and 3
Types X, Y, and Z
Groups I, II, and III
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
