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(vi) What do you mean by scavenging process? It is positive in case of four strokes engines and negative in two strokes engines, Explain.

(vi) What do you mean by scavenging process? It is positive in case of four strokes engines and negative in two strokes engines, Explain.

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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What do you mean by scavenging process? It is positive in case of four strokes engines and negative in two strokes engines, Explain. (vi) (vii) In two stroke S.I. engines exhaust port is placed slightly at higher level than transfer port. Why? (viii) Piston rings are used on the piston why? (ix) What is optimum percentage of lubricant oil used in petrol in case of two strokes S.I. engines? What is compression ratio? State numerical value of compression ratio in two strokes and four stroke S.I. engines. (x)
Transcribed Image Text:What do you mean by scavenging process? It is positive in case of four strokes engines and negative in two strokes engines, Explain. (vi) (vii) In two stroke S.I. engines exhaust port is placed slightly at higher level than transfer port. Why? (viii) Piston rings are used on the piston why? (ix) What is optimum percentage of lubricant oil used in petrol in case of two strokes S.I. engines? What is compression ratio? State numerical value of compression ratio in two strokes and four stroke S.I. engines. (x)
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