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    Gum content in engine fuel causes:
    Question

    Gum content in engine fuel causes:

    A.

    Sticking of intake valve

    B.

    Sticking of exhaust valve

    C.

    Cleaning of piston

    D.

    Cleaning of exhaust valve

    Correct option is A

    Gum content in engine fuel can cause intake valve sticking, reducing engine efficiency and leading to incomplete combustion.

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