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.
36) Which one of the following heat treatment processes produces a scale-free surface on the component ?
Answer is:
Induction hardening
Explanation:
Related Heat Treatment MCQ with Answers
Answer is: