7/17/2019 sains t5 enjin

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5.1 Engine

1.State 2 type of engine. petrol engine and diesel engine

2.Write the correct sequence of the operation offour-stroke petrol engine.

Induction stroke  compression stroke powerstrokeehaust stroke

!. In which stroke is the spark plug producessparks"

#ower stroke

$.%i&e 2 reasons why is the four-stroke engine isused in a small car.

i. quietii. the cylinder 'o is thin( small car can mo&e

smoothly 'ecause the engine is lighter.

5. )ist 2 ad&antages of petrol engine and 2ad&antages of diesel engine.

2 ad&antages of petrol engine * quiet( thin cylinder(2 ad&antages of diesel engine * more e+cient(

1. ,escri'e the operation of two-stroke petrolengine.