

MCQOPTIONS
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1. |
The driving force or the rate of grain growth is given by_________ ( -surface energy, D- mean grain diameter, M-mobility) |
A. | v = k*M*(2 /D) |
B. | v = k + M*(2 /D) |
C. | v = k*M*(2D/ ) |
D. | v = k*M*( /D) |
Answer» B. v = k + M*(2 /D) | |