Q. 17 An air-standard Diesel cycle consists of the following processes:
1-2: Air is compressed isentropically.
2-3: Heat is added at constant pressure.
3-4: Air expands isentropically to the original volume.
4-1: ;Heat is rejected at constant volume.
If and T denote the specific heat ratio and temperature, respectively, the
efficiency of the cycle is
Answer: (B)
Explanation: