& An engine working on Otto cycle has a volume of 0.5 m', pressure 1 bar and temperature 27°C at the commencement of compression stroke. At the end of compression stroke, the pressure is 10 bar. Heat added during the constant volume process is 200 kJ. Determine : ) Percentage clearance ) Mean effective pressure Gv) Ideal power developed by the engine if the engine runs at 400 r.p.m. so that there are 200 complete cycles per minuten. ) Air standard efficiency Ans. () 23.70% ; ) 47.2% : () 2.37 bar (iv) 321 kW)

& An engine working on Otto cycle has a volume of 0.5 m', pressure 1 bar and temperature 27°C at the commencement of compression stroke. At the end of compression stroke, the pressure is 10 bar. Heat added during the constant volume process is 200 kJ. Determine : ) Percentage clearance ) Mean effective pressure Gv) Ideal power developed by the engine if the engine runs at 400 r.p.m. so that there are 200 complete cycles per minuten. ) Air standard efficiency Ans. () 23.70% ; ) 47.2% : () 2.37 bar (iv) 321 kW)

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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