 
			 
			MCQOPTIONS
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				| 1. | A form of cast iron in which free carbon is present in the form of nodules in the matrix of cementite and ferrite. This form of cast iron is ____________ | 
| A. | Malleable iron | 
| B. | Pig iron | 
| C. | Wrought iron | 
| D. | None of these | 
| Answer» B. Pig iron | |