The outer part of a railway track near the bend or a curve is generally raised:

  1. To prevent the fast wear and tear of railway track
  2. To produce the necessary centripetal force
  3. To produce the necessary gravitational force
  4. To enhance the speed of the train
Anurag Mishra Professor Asked on 12th February 2016 in General Knowledge.
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    Answer: (b) To produce the necessary centripetal force 

    Anurag Mishra Professor Answered on 13th February 2016.
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