1. _____ lead to distortion surrounding the welded joints.
(a) Residual stresses (b) Cracks (c) Overlap (d) Incompletefusion
2. Which of the following is NOT an issue in welded joints?
(a) Porosity (b) Cracks (c) Residual Stresses (d) Hot Shots
3. Which of the following is a solid state weldingprocesses?
(a) Brazing (b) Soldering (c) Cold Welding (d) SMAW
4. In which of the following welding processes, filler metalsonly are melted at temperatures above 450°C?
(a) Brazing (b) Soldering (c) Cold Welding (d) SMAW
5. Which of the following is involved in friction weldingprocess:
(a) Heat (b) Pressure (c) Both of them (d) None of them
6. In resistance welding, the required energy is generated bychemical reactions
(a) True (b) False
