Multiple choice

Fish plates are used in railway tracks

  1. to keep the rails equidistant

  2. to prevent tracks from being distorted due to temperature fluctuation

  3. to control the speed of the train

  4. to connect two rails
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Fish plates are used in railway tracks to prevent tracks from being distorted due to temperature fluctuation. The joints also required to be lubricated, and wear at the fishplate (joint bar) mating surfaces needs to be rectified by shimming. For this reason, jointed track is not financially appropriate for heavily operated railroads.

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