Physics · Internal Combustion Engines
In a spark-ignition (petrol) engine, what is the primary function of the ignition system?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Mixing air and fuel in the correct stoichiometric ratio
- 2Producing an electric spark to initiate the combustion of the air-fuel mixture✓
- 3Heating the intake air before combustion
- 4Supplying pressurized fuel to the cylinder
Correct answer
Producing an electric spark to initiate the combustion of the air-fuel mixture
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