Annealing of white cast iron produces _____________________ iron?
Correct answer: C. Malleable
- A. Grey
- B. Nodular
- C. Malleable
- D. Spheroidal
Explanation
Annealing white cast iron decomposes cementite and produces graphite in temper-carbon form, giving malleable cast iron. Grey, nodular and spheroidal irons are produced by different compositions or treatments.
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