The air standard effic

Question

The air standard efficiency of an Otto cycle is given by (where r = Compression ratio, and Î³ = Ratio of specific heats)

Options:

A . `1 - r^(Y -1)`

B . `1 + r^(Y -1)`

C . `1 - 1/r^(Y -1)`

D . `1 +1/r^(Y -1)`

Answer: Option C

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