it's help to know about 4 stroke petrol engine working principal

1. International University of Business Agriculture and Technology
4 stroke petrol engine
working principal
By Nur-E-Alam Siddike
Id 10307050

2. 4 stroke petrol engine
Major parts
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





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Engine
Cylinder
Piston
Crank shaft
Engine valve
Connecting rod
Cam shaft
Spark plug

3. INTAKE STROKE


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Intake valve open
Exhaust valve closed
Piston go to TDC to
BDC
Air-fuel mixture enter
in to the cylinder

4. COMPRESSION STROKE




Intake valve closed
Exhaust valve closed
Piston go to BDC to
TDC
Air-fuel mixture
compressed in to the
cylinder

5. POWER STROKE




Intake valve closed
Exhaust valve closed
Air-fuel mixture burn
into the combustion
chamber
Piston go to TDC to
BDC

6. EXHAUST STROKE




Intake valve closed
Exhaust valve open
Piston go to BDC to
TDC
Exhaust gas out
through the exhaust
valve

7. BIBILIOGRAPHY
1.
2.
YAHOO.ANSWER.COM
GOOGLE.COM

8. Any Question
?