General Studies · IC Engines
Which of the following is NOT a functional requirement of an ignition system in a conventional spark-ignition (SI) engine?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Timing the spark to coincide with the compression stroke
- 2Mixing air and fuel in the intake manifold in appropriate ratios✓
- 3Maintaining consistent spark energy across all engine RPMs
- 4Generating sufficient voltage to jump the spark plug gap under pressure
Correct answer
Mixing air and fuel in the intake manifold in appropriate ratios
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