GAS TUNGSTEN ARC WELDING - Quiz

1) Which gas is generally used in gas laser type welding?

Carbon - di - oxide Neon gas Argon gas Oxygen

2) In which welding process the work pieces are melted and jointed by narrow beam of light source?

Electron beam welding Laser beam welding Plasma arc welding Micro plasma arc welding

3) Which is adjusted in Electron beam welding to eliminate the defect of porosity?

Spot size Deflection Weld penetration Focal position / focus current

4) What is the approximate revolution of rotating member in friction welding process, to effect the weld joint?

1500 rpm 2000 rpm 2500 rpm 3000 rpm

5) Which type of material friction welding is more suitable, for joining?

Similar metal Dissimilar metals Non metal group Any metal flat type