cfc universal Questions and Answers 2023
which of following refrigerants has lowest global warming potential ?
A. R-134 A
B. R407 D
C. R410 A
D. R600A
D. R600A
which of the following gases is used as the baseline measurement for global warming potential ?
A. Ammonia
B. Carbon Dioxide...
cfc universal Questions and Answers 2023
which of following refrigerants has lowest global warming potential ?
A. R-134 A
B. R407 D
C. R410 A
D. R600A - answer D. R600A
which of the following gases is used as the baseline measurement for global warming potential ?
A. Ammonia
B. Carbon Dioxide
C. CFC- 12
D. Propane - answer B. Carbon Dioxide
Which type of refrigerant typically has the lowest global potential?
A. HCFCs
B. HFOs
C. HFCs
D. All are equal - answer B. HFOs
Why are HFO refrigerants less flammable than hydrocarbon refrigerants ?
A. They contain chlorine
B. They contain bromine
C. They contain fluorine
D. They contain carbon - answer C. They contain fluorine
Which of the following refrigerants is an HFO ?
A. R-123yf.
B. R.123.
C. R-123a.
D. All three are HFOs. - answer A. R-123yf.
Which of the following refrigerants have an ozone depletion potential of more than zero ?
A. R-600 and R-441A.
B. R-134 and R-410A.
C. R123 and R-22.
D. R-290 and R-404A. - answer C. R123 and R-22.
which of the following is an HFC refrigerant ?
A. R- 134a
B. R- 115
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