Engineering Materials
The material in which the atoms are arranged chaotically, is called

Amorphous material
Mesomorphous material
Crystalline material
None of these

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

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