engineering recuitment DRDO Technician A 2022 Mock Test Series (Tier I) Fitter Metals and Properties Metals
Why are aluminum items such as pressure cookers, saucepans, etc. anodized?
A. To increase their conductivity.
B. To increase their tensile strength.
C. To prevent them from rusting.
D. To make them lighter and shinier.
1
A
2
B
3
C
4
D