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Discussion :: Railway Engineering

  1. When semaphore and warner are installed on the same post, then the stop indication is given when

  2. A.

     both arms are horizontal

    B.

     semaphore arm lowered but warner arm horizontal

    C.

     both semaphore and warner arms lowered

    D.

     none of the above

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    Answer : Option A

    Explanation :

    Explanation Not Provided


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