In 18-4-1 HSS (High speed steel ) the percentage of chromium is
A1%
B4%
C18%
D2%
No.1 PSC Learning App
★
★
★
★
★
Related Questions:
The total extend of area from where water drains to a reservoir is called
The hot molten material occurring naturally below the surface of the Earth is called
Reduced bearing is obtained when the whole circle bearing of a line exceeds
How is paragraph spacing measured?
The multiplying constant for the tachometer is