Question 3
- What is the name of the welding equipment shown in fig. 1?.
- Name the parts labelled
G, H, J, K and L - State the two pressure systems used in gas welding.
- Use a sketch each to illustrate the following weld defects:
- incomplete penetration;
- undercut.
Observation
The Candidates did well on this question number. Some of the candidates, however, could not satisfactorily answer the questions asked in 3 (c). Below is the solution of the poorly answered question.
Solution