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  1. The minimum cranking speed in case of petrol engine is about

    2. A.

     Half the operating speed
    B.

     One fourth of operating speed
    C.

     250 - 300 rpm
    D.

     60 - 80 rpm

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    Answer : Option D

    Explanation :

    The minimum cranking speed in case of petrol engine is about 60 - 80 rpm

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