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

  • question_answer Consider the following statements: Knock in the SI engine can be reduced by
    1. Supercharging
    2. Retarding the spark.
    3. Using a fuel of long straight chain structure.
    4. Increasing the engine speed.
    Of these statement:

    A) 1 and 2 are correct  

    B) 2 and 3 are correct

    C) 1, 3 and 4 are correct

    D) 2 and 4 are correct

    Correct Answer: D


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