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(i) Why the thermal efficiency of four strokes S.I. engines are more than two strokes S.I. Engines?

(i) Why the thermal efficiency of four strokes S.I. engines are more than two strokes S.I. Engines?

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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Answer the following questions (i) Why the thermal efficiency of four strokes S.I. engines are more than two strokes S.I. Engines? (ii) Mechanical efficiency of two strokes S.I. engines is more than four strokes S.I. engines why? (iii) Exhaust noise from silencer in case of two stroke engines is more than four stroke engines why? (iv) For the same RPM two stroke engines produce almost double power than four stroke engines why? (v) What is the use of deflector used on the piston in case of two strokes S.I. Engines?
Transcribed Image Text:Answer the following questions (i) Why the thermal efficiency of four strokes S.I. engines are more than two strokes S.I. Engines? (ii) Mechanical efficiency of two strokes S.I. engines is more than four strokes S.I. engines why? (iii) Exhaust noise from silencer in case of two stroke engines is more than four stroke engines why? (iv) For the same RPM two stroke engines produce almost double power than four stroke engines why? (v) What is the use of deflector used on the piston in case of two strokes S.I. Engines?
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