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Discussion :: Internal Combustion Engines

  1. The fuels in order of decreasing knock tendency for spark ignition engines are

    2. A.

     Paraffin, aromatic, napthene
    B.

     Paraffin, napthene, aromatic
    C.

     Napthene, aromatics, paraffin
    D.

     Napthene, paraffin, aromatic

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    Answer : Option B

    Explanation :

    The fuels in order of decreasing knock tendency for spark ignition engines are Paraffin, napthene, aromatic

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