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Doctors Medicines MCQs Q&A

  1. Hardening surface of work-piece to obtain hard and wear resistant surface
  2. Heating and cooling rapidly
  3. Increasing hardness throughout
  4. Inducing hardness by continuous process
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1 Answers

Answer: Option 1

Induction hardening is a process used for the surface hardening of steel and other alloy components. The parts to be heat treated are placed inside a water cooled copper coil and then heated above their transformation temperature by applying an alternating current to the coil.

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