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Mechanical Engineering Mcqs
Q
Malleable cast iron _________________?
AA. Contains l.7 to 3.5% carbon in free state and is obtained by the slow cooling of molten cast iron
BB. Is also known as chilled cast iron and is obtained by cooling rapidly. it is almost unmachinable
CC. Is produced by annealing process. it is soft, tough, and easily machined metal
DD. 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
Correct Answer:
C. C. Is produced by annealing process. it is soft, tough, and easily machined metal
