In a petrol engine the fuel is ignited by

             

MCQ  

In a petrol engine the fuel is ignited by 




Options 

A) Spark plug 

B) Nozzle 

C) valve

D) Heat resulting from compressing air that is supplied for combustion


Correct answer : option A ( solution discussed below)



Solution

In petrol engine combustion is start at the end of compression stroke when pistion is near to top dead center by using spark plug.

Petrol engine required spark plug for combustion because petrol is not ignited by using comprising air.

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