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Which among the following is provided on the pistol in a two-stroke engine to increase the compression ratio?

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in Automotive Engine Design by (137k points)
Which among the following is provided on the pistol in a two-stroke engine to increase the compression ratio?

(a) Flat spot

(b) Deflector

(c) Damper

(d) Nozzle

I had been asked this question by my school principal while I was bunking the class.

My question comes from Engine Components in division Basic Engine Components of Automotive Engine Design

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The correct answer is (b) Deflector

Easiest explanation: In a two-stroke engine a deflector is provided on the piston to increase the compression ratio and even in the scavenging process by scavenging out the exhaust gases through the outlet port with the help of the fresh charge transferred via the transfer port.

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