GAS TUNGSTEN ARC WELDING - Practice Mode

1) Which gas is generally used in gas laser type welding?
Correct Answer: Carbon - di - oxide
2) In which welding process the work pieces are melted and jointed by narrow beam of light source?
Correct Answer: Laser beam welding
3) Which is adjusted in Electron beam welding to eliminate the defect of porosity?
Correct Answer: Deflection
4) What is the approximate revolution of rotating member in friction welding process, to effect the weld joint?
Correct Answer: 3000 rpm
5) Which type of material friction welding is more suitable, for joining?
Correct Answer: Dissimilar metals