railway RRB JE (CBT I + CBT II) Mock Test 2024 Production Engineering (Manufacturing) Joining Welding
Consider the following statements regarding Bare electrodes.
- Due to Oxides formation, strength may be reduced.
- High burning rate
- Penetration power of arc is less.
Which of the above statements are true.
1
1, 2, 3
2
Only 1, 3
3
Only 1, 2
4
Only 3