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In an ideal constant pressure cycle, ( is the one in which both, QA as well as QRare at constant pressure ) using air, the overall volume ratio of the cycle is 8:1. Adiabatic compression begins at 2/7th of the compression stroke when the conditions of the air are 100kN/m2, 0.084m3 and 28oC. If g=1.4 and cp=1.006 kJ/kg.K,
Determine:
a) The pressure, volume and temperature at the state point of the cycle;
b) The heat received/cycle
c) The work done/cycle
d) The thermal efficiency of the cycle
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