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CHIMBOTE

AUTOMOTIVE SPECIALIZED ENGLISH C

 THE FOUR STROKE CYCLE ENGINE

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THE FOUR-STROKE INTERNCOMBUSTION ENGINE

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Strokes of the Internal Combust

 engine

INTAKE STROKE

The piston sucks air and fuel mi Intake valve is open and exha

is closed. The piston is down.

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COMPRESSION STROK

Intake valve is closed

exhaust valve is closed too

Piston is moving up.

Piston compresses the fue

mixture in the com

chamber.

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POWER OR COMBSTION STROKE

The valves are closed.

The spark plug (fuel injector) produces

the electric spark.

The electric spark burns the mixture.

The piston is moving down.

The explosion produces the movement

of the components ver rapidl.

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!"#$%&T &T'!

 The combustion gases gothough the e!haust "a#"e$

Inta%e "a#"e is c#ose& an&e!haust "a#"e is o'en$

 The 'iston is u'$

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THE FOUR STROKE CYCLE ENGINE (4 point !o" #$on#'($ )hat e#ements ente in the c*#in&e in inta%e sto%e+

,$ )hee is the -ue# . ai mi!tue com'esse&+

/$ )hat "a#"e is o'en in e!haust sto%e+

0$ )hat &oes the s'a% '#ug 'o&uce+

1$ )hat is the mo"ement o- 'iston &uing the 'o2e sto%e+

ACTIVITIES

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