The grain size of pure copper after annealing for 103S is 10 μm. If the time exponent is 0.5, the total time of annealing required to obtain a grain size of 40 μm is . . . . . . . . S.
A. 4 × 103
B. 8 × 103
C. 16 × 103
D. 64 × 103
Answer: Option C
This Question Belongs to Metallurgical Engineering >> Physics Of Metals In Metallurgy
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