1.

Malleable cast iron

A. contains l.7 to 3.5% carbon in free state and is obtained by the slow cooling of molten cast iron
B. is also known as chilled cast iron and is obtained by cooling rapidly. It is almost unmachinable
C. is produced by annealing process. It is soft, tough, and easily machined metal
D. none of the above.
Answer» D. none of the above.


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