Chapter 8 CAST IRON WELDING MCQs 10 min Score: 0 Attempted: 0/10 Subscribe 1. . Cast Iron is hard and ……… metal. (A) Tough (B) Ductile (C) Brittle (D) AllShow All Answers 2. . The quantity of Carbon in Cast Iron is ……… (A) 3.5%-4.5% (B) 2.5%-4.5% (C) 1.5%-4.5% (D) 0.5%-4.5%Show All Answers 3. . Cast iron is mostly used in ……… work. (A) Metal (B) Wood (C) Casting (D) NoneShow All Answers 4. . Mainly ……… are made with cast iron. (A) Machine components (B) Plastics (C) Metal components (D) AllShow All Answers 5. . Before welding ……… is made of joint. (A) V (B) U (C) X (D) NothingShow All Answers 6. . For Cast iron welding ……… flame is used. (A) Neutral (B) Oxidizing (C) Carburizing (D) AllShow All Answers 7. . For preheating of small parts ……… is used. (A) Hammer (B) Welding torch (C) Furnace (D) NoneShow All Answers 8. . For preheating of larger parts ……… is used. (A) Hammer (B) Welding torch (C) Furnace (D) NoneShow All Answers 9. . During welding of Cast Iron flame should not ……… (A) Neutralize (B) Carburize (C) Oxidize (D) NoneShow All Answers 10. . For Cast iron welding ……… technique should be used. (A) Forehand (B) Backhand (C) Vertical (D) FlatShow All Answers