Understand Heat Treatment of Non Ferrous Metals, Alloys and Cast Iron MCQs – Chapter 8 DAE 5 min Score: 0 Attempted: 0/5 Subscribe 1. There are ________ principal methods for increasing the strength and hardness of a given alloy: (A) 3 (B) 2 (C) 4 (D) 5Show All Answers 2. The most important heat-treating process for nonferrous alloys is: (A) Carburizing (B) Nitriding (C) Normalizing (D) Age hardeningShow All Answers 3. Cast irons have carbon normally in the range of: (A) 0% to 1% (B) 1% to 2% (C) 1.5% to 4% (D) 2% to 4%Show All Answers 4. ________ may be defined as plastic deformation of a metal at a temperature below the recrystallization temperature: (A) Hot working (B) Heat treatment (C) Cold working (D) None of theseShow All Answers 5. The ferrous metals, steel or cast irons are essentially an alloy of iron and carbon: (A) Iron and carbon (B) Iron and copper (C) Iron and silver (D) None of theseShow All Answers