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9. A four stroke Diesel engine has a single cylinder with bore of 18 cm and stroke of 34 cm. Engine has indicated mean effective pressure of 555 kPa at 390 rpm. At this the brake load is 510 N at brake radius of 56.5 cm. The fuel has calorific value of 43 MJ/kg and the fuel is supplied at 3.6 kg/ hr. Determine (a) the mechanical efficiency, (b) the brake thermal efficiency, and (c) the brake mean effective pressure, in bar.

9. A four stroke Diesel engine has a single cylinder with bore of 18 cm and stroke of 34 cm. Engine has indicated mean effective pressure of 555 kPa at 390 rpm. At this the brake load is 510 N at brake radius of 56.5 cm. The fuel has calorific value of 43 MJ/kg and the fuel is supplied at 3.6 kg/ hr. Determine (a) the mechanical efficiency, (b) the brake thermal efficiency, and (c) the brake mean effective pressure, in bar.

Elements Of Electromagnetics
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
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9. A four stroke Diesel engine has a single cylinder with bore of 18 cm and stroke of 34 cm. Engine has indicated mean effective pressure of 555 kPa at 390 rpm. At this the brake load is 510 N at brake radius of 56.5 cm. The fuel has calorific value of 43 MJ/kg and the fuel is supplied at 3.6 kg/hr. Determine (a) the mechanical efficiency, (b) the brake thermal efficiency, and (c) the brake mean effective pressure, in bar.
Transcribed Image Text:9. A four stroke Diesel engine has a single cylinder with bore of 18 cm and stroke of 34 cm. Engine has indicated mean effective pressure of 555 kPa at 390 rpm. At this the brake load is 510 N at brake radius of 56.5 cm. The fuel has calorific value of 43 MJ/kg and the fuel is supplied at 3.6 kg/hr. Determine (a) the mechanical efficiency, (b) the brake thermal efficiency, and (c) the brake mean effective pressure, in bar.
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