malleable cast iron Options: A . &nbsp Contains 1.7 to 3.5% carbon in Free State and is obtained by the slow cooling of molten cast iron B . &nbsp Is also known as chilled cast iron and is obtained by cooling rapidly. It is almost unmachinable C . &nbsp Is produced by annealing process. It is soft, tough, and easily machined metal D . &nbsp Is produced by small additions of magnesium (or cerium) in the ladle. Graphite is in the nodular or spheroidal form and is well dispersed throughout the material

malleable cast iron

Question

Malleable cast iron

Options:

A . Contains 1.7 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 . Is produced by small additions of magnesium (or cerium) in the ladle. Graphite is in the nodular or spheroidal form and is well dispersed throughout the material

Answer: Option C
Explanation :

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