During grain growth, the number of grains _________ in number.
(a) Increase exponentially
(b) Increase constantly
(c) Decrease
(d) Do not change
I had been asked this question during an online interview.
This interesting question is from Nucleation, Growth and Segregation, Recovery, Recrystallisation and Grain Growth in chapter Mechanical Working Processes & Phase Transformations of Engineering Material & Metallurgy