PETROL ENGINE.

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Presentation transcript:

PETROL ENGINE

1 CHARGING STROKE Piston moves outwards and suck gas In trough valve A.

4 COMPRESSION STROKE Valve A closes, piston moves inwards, compresses gas 1/7th of original volume.

3 -COMBUSTION STROKE piston descends ,spark having fired the gas , both valves closes

4 Fly wheel Piston Connecting rod Crank shaft EXHAUST STROKE Piston rises, driving spent gases out through valve B , valve A being closed . Connecting rod Crank shaft

THE END NAME:-Bibhu, Raju, Preetish, Abhinash . CLASS:-IX B THANK YOU