Question

Which of the following are true about low carbon steels?

(a) Carbon content < 0.3%

(b) Also called as mild steel

(c) Are soft and ductile

(d) All of the mentioned

I am preparing this question from in my study session.

My enquiry is from the Plain Carbon Steels section in lesson Engineering Materials of Machine Design

Answer 1

Recommended answer is (d) All of the mentioned

Let me simplify it: Low carbon steels contain carbon <0.3%. Because of low carbon, it is soft and ductile.