Engineering Materials
Steel contains

Elements like phosphorus, sulphur and silicon in varying quantities
80% or more iron
50% or more iron
Alloying elements like chromium, tungsten nickel and copper

ANSWER DOWNLOAD EXAMIANS APP

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

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

ANSWER DOWNLOAD EXAMIANS APP