Tiêu đề MECHA.PDF ✅

CE-04/Mech. [ 4 ] Set-A 5. Presence of small sulphur in carbon steel, improves its : (A) Machinability (B) Weldability (C) Formability (D) Hardenability 6. In metals subjected to cold working, strain hardening effect is due to : (A) slip mechanism (B) twinning mechanism (C) dislocation mechanism (D) fracture mechanism 7. In the figure given below, which process is the most appropriate? (A) Boring (B) Facing (C) Parting (D) Milling