Railways Technical Ability Internal Combustion Engine (ICE) Question Bank Internal Combustion Engine (ICE)

  • question_answer Which of the following factors increase detonation in the SI engine?
    1. Increase spark advance.
    2. Increased speed.
    3. Increased air-fuel ratio beyond stoichiometric strength.
    4. Increased compression ratio.
    Select the correct answer using the codes given below:

    A) 1 and 3            

    B) 2 and 4

    C) 1, 2 and 4                     

    D) 1 and 4

    Correct Answer: D

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