Q3/The compression ratio of an ideal Dual cycle engine is 10, and the maximum pressure is limited to 70 bar. Find the pressures and temperatures at the salient points of the cycle and the cycle...

Extracted text: Q3/The compression ratio of an ideal Dual cycle engine is 10, and the maximum pressure is limited to 70 bar. Find the pressures and temperatures at the salient points of the cycle and the cycle efficiency if the total heat supplied is 1680 kJ/kg. At the start of compression, the air pressure and temperature are 1 bar and 100°C, respectively. Assume Cp = 1.004 kJ/kg K and Cv = 0.717 kJ/kg K for air.