2. Solved Papers
  3. Railways

Railways R.R.C. (Delhi) Solved Paper Held on 1st Shift 2-11-2014

  • question_answer
    'Sulphur' a non-metallic element which occurs in many allotropic forms is mined by a special technique called?

    A) None of these    

    B) Tunnel process

    C) Frasch process   

    D) Vaporization process

    Correct Answer: C

    Solution :

    The Frasch process is a method to extract sulphur from underground deposits. It is the on economic method of recovering sulphur from elemental deposits.                           


You need to login to perform this action.
You will be redirected in 3 sec spinner