4 stroke petrol engineworking principal

By Nur-E-Alam SiddikeId 10307050

International University of Business Agriculture and Technology

4 stroke petrol engine Major parts Engine Cylinder Piston Crank shaft Engine valve Connecting rod Cam shaft Spark plug

INTAKE STROKE Intake valve open Exhaust valve closed Piston go to TDC to

BDC Air-fuel mixture enter

in to the cylinder

COMPRESSION STROKE Intake valve closed Exhaust valve closed Piston go to BDC to

TDC Air-fuel mixture

compressed in to the cylinder

POWER STROKE Intake valve closed Exhaust valve closed Air-fuel mixture burn

into the combustion chamber

Piston go to TDC to BDC

EXHAUST STROKE Intake valve closed Exhaust valve open Piston go to BDC to

TDC Exhaust gas out

through the exhaust valve

BIBILIOGRAPHY1. YAHOO.ANSWER.COM2. GOOGLE.COM

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