5.A spark-ignition engine operates on the ideal Otto cycle. The air enters the engine at 101 kPa and 32 °C. The air is then compressedwhich increases the temperature to 467 °C. Finally, heat is rejected at a rate of 278.95 kJ/kg at the end of the cycle. Determine the thermal efficiencyof this cycle considering the variation of specific heats with temperature.O a. 60.8%O b. 56.6%Ос.60.15%O d. 42.6%O e. 38.3%

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5. A spark-ignition engine operates on the ideal Otto cycle. The air enters the engine at 101 kPa and 32 °C. The air is then compressed which increases the temperature to 467 °C. Finally, heat is rējected at a rate of 278.95 kJ/kg at the end of the cycle. Determine the thermal efficiency of this cycle considering the variation of specific heats with temperature. O a. 60.8% O b. 56.6% O c. 60.15% O d. 42.6% O e. 38.3%

5. A spark-ignition engine operates on the ideal Otto cycle. The air enters the engine at 101 kPa and 32 °C. The air is then compressed which increases the temperature to 467 °C. Finally, heat is rējected at a rate of 278.95 kJ/kg at the end of the cycle. Determine the thermal efficiency of this cycle considering the variation of specific heats with temperature. O a. 60.8% O b. 56.6% O c. 60.15% O d. 42.6% O e. 38.3%

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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