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A gas-turbine engine operating with air has a thermal efficiency of 40%. If Carbon Dioxide were used as the working fluid, how would the efficiency

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A gas-turbine engine operating with air has a thermal efficiency of 40%. If Carbon Dioxide were used as the working fluid, how would the efficiency change? decrease increase stay the same con not be determined with the given information Is this equation a correct representation of the efficiency of the Brayton cycle? (assuming cold-air-standard approximations have been applied)

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