______________________ iron is produced by the annealing of white cast iron?
Correct answer: C. Malleable
- A. Ductile
- B. Nodular
- C. Malleable
- D. Grey
Explanation
Malleable iron is made by heat-treating white cast iron for prolonged annealing, which decomposes its cementite and produces temper carbon. Nodular and grey irons are formed through different solidification and composition controls.
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