Engineering Materials
Carbon steel is

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

ANSWER DOWNLOAD EXAMIANS APP

Engineering Materials
The brown smoke during the operation of a Bessemer converter indicates that the

The converter must be titled to remove the contents of the converter
Silicon and manganese has burnt and carbon has started oxidizing
The brown smoke does not occur during the operation of a Bessemer converter
Air is burning out silicon and manganese

ANSWER DOWNLOAD EXAMIANS APP