engineering recuitment ONGC AEE Mechanical Mock Test 2025 Production Engineering (Manufacturing) Joining Welding
Match the following
|
Weld defect |
Causes of defect |
||
|
P |
Weld porosity |
1 |
High welding current and low welding speed |
|
Q |
Slag inclusion |
2 |
Insufficient heat and fast travel of troch |
|
R |
Weld crack |
3 |
Oxides, fluxes and electrode coating material |
|
S |
Weld spatter |
4 |
Gases are trapped inside weld |
|
T |
Incomplete fusion |
5 |
Non uniform cooling and internal stresses |
1
P-4, Q-3, R-5, S-1, T-2
2
P-4, Q-2, R-3, S-5, T-1
3
P-4, Q-5, R-1, S-2, T-3
4
P-3, Q-5, R-2, S-1, T-4
5
P-3, Q-5, R-4, S-1, T-2