question # 25\nwhich of the following refrigerants is classified as a very high - pressure refrigerant?\na…

question # 25\nwhich of the following refrigerants is classified as a very high - pressure refrigerant?\na cfc-11\nb r-744\nc hcfc-123\nd r-410a

question # 25\nwhich of the following refrigerants is classified as a very high - pressure refrigerant?\na cfc-11\nb r-744\nc hcfc-123\nd r-410a

Answer

Brief Explanations:

R - 744 (carbon dioxide) is a very high - pressure refrigerant. CFC - 11 and HCFC - 123 are low - pressure refrigerants, and R - 410A is a high - pressure refrigerant but not as high as R - 744.

Answer:

B. R-744