Metallurgical Engineering > GATE 2024 > Welding
Which of the following statements is/are correct about welding processes?
A
In brazing, the filler material has a melting point above 450 °C and below the solidus temperature of the materials being joined.
B
In TIG welding, tungsten is the filler material.
C
Friction welding is a solid-state joining process.
D
The following reaction is associated with thermit welding:
C2H2(g) + 5/2 O2(g) → 2CO2(g) + H2O(g) + Heat(ΔH)
Note: (g) stands for gas.

Correct : a,c

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