Topic: Material Science
Induction hardening is the process of
- A. Hardening the core
- B. Uniform hardening
- C. Selective hardening
- D. Hardening surface for wear resistance
Answer: D. Hardening surface for wear resistance
Explanation: Induction hardening is a heat treatment process used to increase the hardness or wear resistance of a material's surface. In this method, metal parts are heated by electromagnetic induction and then quenched.