QUESTION 1 An ideal gas undergoes isentropic expansion in a turbine from 520 0C. The initial pressure is measured as 700kPa and the final pressure as 110kPa. Determine the final temperature of the gas after expansion. Determine the quantity of heat to be added to the gas if the temperature of the gas is to be increased to 470 0C after expansion. Assume constant volume heat addition process. Specific heat ratio of the gas is given as 1.4 and R=287 J/kg.K. [12Ma

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