WELDABILITY OF STEEL - Practice Mode

1) Which are the common alloying element of brass?

Copper and tin Bismuth and tin Antimony and tin Copper & zinc

Correct Answer: Copper & zinc

2) Which of the following aluminium alloys consists of 1% iron & silicon?

Duralumin Wrought alloy Aluminium cast alloy Commercially pure aluminium

Correct Answer: Commercially pure aluminium

3) What is the purpose of cleaning of sheets before doing gas welding?

To avoid over lap To avoid porosity To avoid under cut To Control distortion

Correct Answer: To avoid porosity

4) Which type welding uses a non - ferrous filler with melting point above 450 Degree, than base metal?

Brazing Soldering Arc welding Gas welding

Correct Answer: Brazing

Explanation:

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5) Which welding process enables to weld dissimilar metals?

Brazing Seam welding Spot welding Fusion welding

Correct Answer: Brazing

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