2018 Core Practice Exam (9th Edition Manual)
A single chlorine atom can destroy how many ozone molecules?
100000
Which of the following has the highest Ozone Depletion Potential?
CFCs
Will not damage stratospheric ozone, but have a high GWP.
HCFs
Silicone elastomers, for use in seals and gaskets, are not compatible with which refrigerants?
HFOs
The low-side test-pressure data-plate value should be used by a technician to determine a safe pressure for:
Leak testing
The chlorine in CFCs and HCFCs;
will not dissolve in water
The molecule found in CFCs and HCFCs that depleted ozone is: blank
Chlorine
Crop loss, eye disease, and skin cancer have been attributed to:
Depletion of Stratospheric ozone
The layer of the Stratosphere that protects us from excessive Ultra Violet radiation is comprised of;
Ozone
Which of the following refrigerant has a GWP of "1"?
R-1234zd
Which of the following refrigerants is an HFO?
R-1234ze