The cast iron when heated to red heat with powdered red haematite in a – McqOptions

MCQOPTIONS

1.	The cast iron when heated to red heat with powdered red haematite in an oven for increasing its toughness, is converted to
A.	rey cast iron
B.	hite cast iron
C.	ottled cast iron
D.	oughed cast iron
Answer» D. oughed cast iron

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