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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