R-12 is generally preferred over R-22 in deep freezers since Options: A . &nbspIt has low operating pressures B . &nbspIt gives higher coefficient of performance C . &nbspIt is miscible with oil over large range of temperatures D . &nbspAll of the above

R-12 is generally preferred over R-22 in deep freezers since

Question

R-12 is generally preferred over R-22 in deep freezers since

Options:

A . It has low operating pressures

B . It gives higher coefficient of performance

C . It is miscible with oil over large range of temperatures

D . All of the above

Answer: Option C

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