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 70°F and the turbine inlet temperature is 1240°F. Determine the thermal efficiency. a. 0.39 b. 0.49 c. 0.59 d. 0.69 An ideal Brayton or gas turbine cycle with air as the working medium operates between pressures of 15

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 70°F and the turbine inlet temperature is 1240°F. Determine the thermal efficiency. a. 0.39 b. 0.49 c. 0.59 d. 0.69 An ideal Brayton or gas turbine cycle with air as the working medium operates between pressures of 15

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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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. The efficiency of the turbine and compressor is both 80%. Determine the thermal efficiency. a. 0.344 b. 0.244 c. 0.144 d. 0.044
In a standard Brayton cycle, the maximum temperature is 1,473 K while the minimum temperature is 307 K. The heat added during the isobaric process is 1,074 kJ/kg. Determine the thermal efficiency in %. Use two decimal places in the final answer.
An ideal Brayton or gas turbine cycle with air as the working medium operates between pressures of 15psia 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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