Grey Cast iron is formed when
(a) Carbon content in the alloy exceeds the amount that can be dissolved
(b) Carbon content in the alloy is less than the amount that can be dissolved
(c) Carbon content in the alloy is equal to the amount that can be dissolved in the alloy
(d) None of the mentioned
I am working on this question that appeared in my unit test.
This query pertains to the Plain Carbon Steels topic in chapter Engineering Materials of Machine Design