PLASMA ARC CUTTING AND RESISTANCE WELDING - Practice Mode

1) What is the angle of 'off set tip' electrode used in spot welding?

30 Degree 40 Degree 50 Degree 60 Degree

Correct Answer: 30 Degree

2) Which electrode is movable in spot welding?

Both moved Both not moved Upper electrode Lower electrode

Correct Answer: Upper electrode

3) Which electrode is used in plasma arc welding?

Cast iron Mild steel Tungsten Stainless steel

Correct Answer: Tungsten

4) Which welding process where a ?nugget? is formed in the weld joint?

Arc welding Seam welding Spot welding Percussion welding

Correct Answer: Spot welding

5) Which welding process is used to weld stainless steel wire mesh and surgical instruments

Electrode beam welding Electro slag welding Micro plasma welding Plasma welding

Correct Answer: Micro plasma welding

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