CHIMBOTE AUTOMOTIVE SPECIALIZED ENGLISH COURSE THE FOUR STROKE CY CLE ENGINE THE FOUR-STROKE INTERNAL COMBUSTION ENGINE
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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