An engine working on Otto cycle has a volume of 0.5 m2, 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 : (ii) Air standard efficiency (i) Percentage clearance liii) Mean effective pressure (iv) Ideal power developed by the engine if the engine runs at 400 r.p.m. so that there are 200 complete cycles per minutes. [Ans. (i) 23.76% ; (i) 47.2% ; (iii) 2.37 bar (iv) 321 kW]

An engine working on Otto cycle has a volume of 0.5 m2, 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 : (ii) Air standard efficiency (i) Percentage clearance liii) Mean effective pressure (iv) Ideal power developed by the engine if the engine runs at 400 r.p.m. so that there are 200 complete cycles per minutes. [Ans. (i) 23.76% ; (i) 47.2% ; (iii) 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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