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White cast iron__________________?

Acontains 1.7 to 3.5% carbon in free state and is obtained by the slow cooling of molten cast iron
is also known as chilled cast iron and is obtained by cooling rapidly. It is almost unmachinable
Cis produced by annealing process. It is soft, tough and easily machined metal
Dis produced by small additions of magnesium (or creium) in the ladle. Graphite is in nodular or spheroidal form and is well dispersed throughout the material E. none of the above

Correct Answer: B. is also known as chilled cast iron and is obtained by cooling rapidly. It is almost unmachinable

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