engineering recuitment NHPC JE & THDC JE 2023 Mock Test Engineering Materials Science Heat Treatment Process
An alloy steel contains _____ .
1
more than 0.5% Mn and 0.5% Si
2
less than 0.5% Mn and 0.5% Si
3
more than 0.35% Mn and 0.5% Si
4
less than 0.35% Mn and 0.5% Si