Topic: Material Science
Which is false statement about annealing. Annealing is done to
- A. Relieve stresses
- B. Harden steel slightly
- C. Improve machining characteristic
- D. Soften material
Answer: B. Harden steel slightly
Explanation: Annealing is a heat treatment process used mostly to increase the ductility and reduce the hardness of a material. Therefore, stating that it hardens steel slightly is a false statement.