Required information A Diesel cycle has a compression ratio of 22 and begins its compression at 87 kPa and 15C. The maximum cycle temperature is 1200C. Utilize air-standard assumptions. The properties of air at room temperature are R = 0.287 kPa.m/kg.K, cp = 1.005 kJ/kg.K, cv = 0.718 kJ/kg-K, and k = 1.4. Determine the thermal efficiency of this cycle using constant specific heats at room temperature. The thermal efficiency of this cycle (in decimal fraction) is