engineering recuitment DRDO Technician A 2022 Mock Test Series (Tier I) Production Engineering (Manufacturing) Joining Welding
The required acetylene gas pressure on the torch during welding is
1
560 to 840 kN/m
2
280 to 560 kN/m2
3
70 to 280 kN/m2
4
7 to 103 kN/m2