Engineering Materials
A coarse grained steel

Is more ductile and has a less tendency to distort during heat treatment
Is less tough and has a greater tendency to distort during heat treatment
Is more ductile and has a greater tendency to distort during heat treatment
Is less tough and has a less tendency to distort during heat treatment

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Engineering Materials
Points of arrest for iron correspond to

Stages at which properties do not change with increase in temperature
There is nothing like points of arrest
Stages at which further heating does not increase temperature for some time
Stages at which allotropic forms change

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Engineering Materials
Carbon steel is

Refined from cast iron
Made by adding carbon in steel
Extensively used for making cutting tools
An alloy of iron and carbon with varying quantities of phosphorus and sulphur

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