engineering recuitment UPSSSC Assistant Boring Technician 2022 Mock Test Engineering Materials Science Structure and Properties of Engineering Materials Phase Diagrams
ढलवां लोहा में मौजूद कार्बन कण की मात्रा _____ है I
1
2% to 4%
2
0% to 2%
3
5% to 8%
4
8% to 10%