The air-standard efficiency of an Otto cycle is given by which one of – McqOptions

MCQOPTIONS

1.	The air-standard efficiency of an Otto cycle is given by which one of the following equation?. Where rc is the compression ratio, γ = adiabatic index.
A.	\(1 - \frac{1}{{r_c^{\gamma - 1}}}\)
B.	\(1 - \frac{1}{{r_c^{\gamma + 1}}}\)
C.	\(2 - \frac{1}{{r_c^{\gamma - 1}}}\)
D.	\(1 + \frac{1}{{r_c^{\gamma - 1}}}\)
Answer» B. \(1 - \frac{1}{{r_c^{\gamma + 1}}}\)

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