5. A Gasoline (otto) engine develops 67 kw brake power and operates on 0.052 kg/s of air (R = 0.287 kJ/kg) atintake temperature of 333 K, compression ratio of 8.7, combustion temperature of 6580 K, and k = 1.32 for hotair. The brake thermal efficiency is,a 25%b 20%c 22%d 24.3%

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Answered: 5. A Gasoline (otto) engine develops 67…

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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01 Two engines are to operate on Otto and Diesel cycles with the following data: Maximum temperature 1400 K, exhaust temperature 700 K. State of air at the beginning of compression 0.1 MPa, 300 K. Estimate the compression ratios, the maximum pressures, efficiencies, and rate of work outputs (for 1 kg/min of air) of the respective cycles.
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5. A Gasoline (otto) engine develops 67 kw brake power and operates on 0.052 kg/s of air (R = 0.287 kJ/kg) at intake temperature of 333 K, compression ratio of 8.7, combustion temperature of 6580 K, and k = 1.32 for hot air. The brake thermal efficiency is, a 25% b 20% c 22% d 24.3%