The cast iron when heated to red heat with powdered red haematite in an oven for increasing its toughness, is converted to

Related MCQs

• Pig iron made from haematite ores free from sulphur, phosphorus and copper, is known as
• Cast iron
• Cast iron contains carbon approximately
• Compared to mild steel, cast iron has (i) High compressive strength (ii) High tensile strength (iii) Low compressive strength (iv) Low tensile strength The correct answer is
• For melting one tonne of cast iron
• Cast iron is used for
• Cast iron is used for
• Cast iron contains carbon approximately
• Forge pig may be converted to wrought iron by
• Assertion A : Paints with white lead base are not recommended for painting of iron works. Reason R : Paints with white lead base do not check rusting of iron. Select your answer according to the coding system given below: