Engineering Materials
Which is false statement about normalizing? Normalizing is done to

Induce stresses
Refine grain structure
Improve mechanical properties
Reduce segregation in casting

ANSWER DOWNLOAD EXAMIANS APP

Engineering Materials
Smelting is the process of

Removing the impurities like clay, sand etc. from the iron ore by washing with water
Reducing the ore with carbon in the presence of a flux
All of these
Expelling moisture, carbon dioxide, sulphur and arsenic from the iron ore by heating in shallow kilns

ANSWER DOWNLOAD EXAMIANS APP

Engineering Materials
Combined carbon in iron makes the metal

Hard and gives a coarse grained crystalline structure
Soft and gives a fine grained crystalline structure
Soft and gives coarse grained crystalline structure
Hard and gives a fine grained crystalline structure

ANSWER DOWNLOAD EXAMIANS APP