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What is the correct answer?
4
The air standard efficiency of an I.C. engine is given by (where r = Compression ratio, and γ = Ratio of specific heats)
A.
1 - r
γ - 1
B.
1 + r
γ - 1
C.
1 - (1/r
γ - 1
)
D.
None of these
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