railway RRB JE (CBT I + CBT II) Mock Test 2024 Engineering Materials Science Structure and Properties of Engineering Materials Properties of Materials
In the context of the properties of steel, which of the following statements is highly relevant?
1
Presence of manganese decreases strength.
2
Presence of carbon does not influence the heat-treatment process.
3
The presence of carbon contents imparts strength to iron.
4
Presence of sulphide improves corrosion resistance.