Heat Treatment Processes MCQs – Chapter 5 DAE 5 min Score: 0 Attempted: 0/5 Subscribe 1. The steel with 0.83% carbon when heated at 723°C is converted into microstructure: (A) Ferrite (B) Cementite (C) Austenite (D) PearliteShow All Answers 2. B.C.C contains number of atoms: (A) 5 (B) 9 (C) 8 (D) 14Show All Answers 3. F.C.C contains number of atoms: (A) 5 (B) 8 (C) 9 (D) 14Show All Answers 4. The carbon steel is cooled down in hardening process: (A) In air (B) In furnace (C) In water (D) In fused saltShow All Answers 5. Tempering is done: (A) None of these (B) Before quenching (C) Along quenching (D) After quenchingShow All Answers