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Discussion :: Internal Combustion Engines

  1. The ignition of the charge by some hot surface within the engine before the passage of spark is called

    2. A.

     Pre-ignition
    B.

     Detonation
    C.

     Ignition delay
    D.

     Auto-ignition

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    Answer : Option A

    Explanation :

    The ignition of the charge by some hot surface within the engine before the passage of spark is called Pre-ignition. Pre-ignition is a situation in which the fuel-air mixture in a spark ignition engine ignites before the timed spark, because of contact with a hot surface.

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