Gas Tungsten Arc welding MCQ with Answers

Gas Tungsten Arc welding MCQ with Answers

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

Answer is:

Carbon - di - oxide

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

Answer is:

Laser beam welding

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

Answer is:

Deflection

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

Answer is:

3000 rpm

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

Answer is:

Dissimilar metals

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