GATE Casting, Forming and Joining Processes: Welding, brazing, soldering and adhesive bonding – Previous Year Questions

6 GATE previous year questions on Welding, brazing, soldering and adhesive bonding (Casting, Forming and Joining Processes, Mechanical Engineering) with answers and explanations, from every paper.

GATE 2022 ME (ME1) Q57 (2 marks, Numerical answer) – Two mild steel plates of similar thickness, in butt-joint configuration, are welded by gas tungsten arc welding process using the following welding…
GATE 2023 ME Q23 (1 mark, Multiple select) – Two surfaces P and Q are to be joined together. In which of the given joining operation(s), there is no melting of the two surfaces P and Q for…
GATE 2024 ME Q32 (1 mark, Multiple choice) – The most suitable electrode material used for joining low alloy steels using Gas Metal Arc Welding (GMAW) process is
GATE 2024 ME Q63 (2 marks, Numerical answer) – In an arc welding process, the voltage and current are 30 V and 200 A, respectively. The cross-sectional area of the joint is 20 mm2 and the welding…
GATE 2025 ME Q21 (1 mark, Multiple choice) – The welding process commonly used for fabricating tailor-welded blanks of dissimilar thickness for automotive applications is
GATE 2025 ME Q33 (1 mark, Numerical answer) – During a welding operation, thermal power of 2500 W is incident normally on a metallic surface. As shown in the figure below (figure is NOT to scale),…