An ideal Brayton or gas turbine cycle with air as the working medium operates between pressures of 15 psia and 90 lb. The compressor inlet temperatures is 70oF and the turbine inlet temperature is 1240oF. Determine the internal work-ratio

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An ideal Brayton or gas turbine cycle with air as the working medium operates between pressures of 15
psia and 90 lb. The compressor inlet temperatures is 70oF and the turbine inlet temperature is 1240oF.
Determine the internal work-ratio.

a. 0.21 b. 0.31 c. 0.41 d. 0.51

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