Chapter 8 MANUFACTURING OF WROUGHT IRON MCQs 10 min Score: 0 Attempted: 0/10 Subscribe 1. . Puddling process is for converting: (A) Pig iron to steel (B) Mild steel to alloy steel (C) Pig iron to wrought iron (D) None of theseShow All Answers 2. . Properties of wrought iron are determined by: (A) Carbon and Magnesium (B) Magnesium and Manganese (C) Aluminum and Carbon content (D) Carbon and ManganeseShow All Answers 3. . In wrought iron, Manganese is below: (A) 0.1% (B) 0.2% (C) 1.5% (D) 0.06%Show All Answers 4. . Older puddling furnaces had: (A) Straight roof (B) Flat roof (C) Arched roof (D) None of theseShow All Answers 5. . Wrought iron can be used for: (A) Barbed wire (B) Cans (C) Plate (D) None of theseShow All Answers 6. . Pig iron contains ____ iron: (A) 50% (B) 65% (C) 75% (D) 90%Show All Answers 7. . Pure iron __________ pig iron ore malleable iron: (A) Is harder than (B) Has higher corrosion resistance than (C) Melts at lower temperature than (D) None of theseShow All Answers 8. . The active metal mixture also does: (A) Melting (B) Refining (C) Iron ore reduction (D) De-oxidationShow All Answers 9. . Pure iron becomes __________ when carbon is added: (A) Extremely tough (B) Hard (C) Ductile (D) None of theseShow All Answers 10. . Carbon steel contains less than __________ carbon: (A) 1% (B) 1.5% (C) 1.7% (D) 1.8%Show All Answers