Why the length of piston in the 2-stroke engine is more when compared to the 4-stroke engine?(a) Absence of valve mechanism(b) Missing of Power stroke(c) It is not 4-stroke(d) Air resistanceI had been asked this question during an interview.I would like to ask this question from IC Engine in division Design of IC Engine Components of Automotive Engine Design

Why the length of piston in the 2-stroke engine is more when compared

1.	Why the length of piston in the 2-stroke engine is more when compared to the 4-stroke engine?(a) Absence of valve mechanism(b) Missing of Power stroke(c) It is not 4-stroke(d) Air resistanceI had been asked this question during an interview.I would like to ask this question from IC Engine in division Design of IC Engine Components of Automotive Engine Design
Answer» RIGHT option is (a) Absence of VALVE mechanism The BEST I can explain: DUE to the absence of a valve mechanism, the intake and exhaust of the 2-stroke engine have to be controlled by the piston itself. HENCE, the length of the piston in a 2-stroke engine is more when compared to the 4-stroke engine.

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