Poll Results
29.03%(A) As the average grain size increases, the grain boundary energy per unit area decreases. ( 9 voters )
35.48%(B) The driving force for grain growth is the decrease in grain boundary energy per unit volume of the material. ( 11 voters )
19.35%(C) Higher the temperature, the faster is the grain growth. ( 6 voters )
16.13%(D) Impurity atoms segregated at grain boundaries can retard grain growth. ( 5 voters )
Based On 31 Votes