Which of the following refrigerants has the lowest ozone depletion potential?
a. CFC-12
b. HCFC-22
c. HCFC-123
d. HFC-134a
d
You might also like to view...
BSE is best known as ____________________ disease
Fill in the blank(s) with correct word
Before the power factor of a motor can be corrected, what must be determined first?
What will be an ideal response?
Technician A says that you should use two wrenches when tightening the fittings on a pair of hydraulic couplers. Technician B says that sharpbends in hydraulic hoses are fine because hydraulic fluid can go through restrictions without a problem. Who iscorrect?
A. Technician A B. Technician B C. Both D. Neither
This is a measure of the impact human activities have on the environment in terms of the amount of greenhouse gases produced, measured in units of carbon dioxide:
A. carbon offset B. carbon footprint C. carbon dioxide D. carbon usage E. none of the above