Pick out the correct statement?

A. Hot worked materials are subjected to annealing to remove internal stresses

B. Annealing of steel hardens it slightly

C. Normalising of a material induces stresses

D. Tempering of a material improves ductility & toughness but reduces hardness & brittleness
Be the first to comment if anything wrong with this mcq
Your comment successfully submitted!
It will automatically posted after review and approval by our staff member.