Chapter 2 HEAT TREATMENT MCQs 8 min Score: 0 Attempted: 0/8 Subscribe 1. . For steel, which one of the following properties can be enhanced upon annealing? (A) Hardness (B) Toughness (C) Ductility (D) ResilienceShow All Answers 2. . In Annealing, cooling is done in which of the following medium? (A) Air (B) Water (C) Oil (D) FurnaceShow All Answers 3. . In normalizing, cooling is done in which of the following medium? (A) Air (B) Water (C) Oil (D) FurnaceShow All Answers 4. . Process annealing is applied to which kind of materials? (A) Steel castings (B) Low carbon steels (C) High carbon steels (D) Medium carbon steelsShow All Answers 5. . The cooling rate must be _________ the critical cooling rate for hardening of steel by quenching. (A) Higher than (B) Lower than (C) Equal to (D) Half ofShow All Answers 6. . Normalizing is best used for which kind of materials? (A) Steel castings (B) Steel wires (C) High carbon steels (D) Low and medium carbon steelsShow All Answers 7. . How is cooling of the material done in normalizing process? (A) Furnace (B) Cooling tower (C) Still air (D) Liquid chamberShow All Answers 8. . Which of the following is not a stage of annealing? (A) Heating (B) Soaking (C) Tempering (D) QuenchingShow All Answers
