Engineering Materials
Which of the following display properties similar to that of steel?

Blackheart cast iron
Whiteheart cast iron
Both (A) and (B)
None of these

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Engineering Materials
Free carbon in iron makes the metal

Soft and gives a coarse grained crystalline structure
Hard and gives a fine grained crystalline structure
Soft and gives a fine grained crystalline structure
Hard and gives a coarse grained crystalline structure

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