WELDABILITY OF STEEL - Practice Mode

1) What type of gas flame is used to weld 2mm mild steel by brazing method?

Neutral flame Carburising flame Oxidising flame Oxy-hydrogen flame

Correct Answer: Oxidising flame

2) Which system of welding is free from 'Arc blow'?

AC welding DC Reverse polarity DC straight polarity Welding with long arc

Correct Answer: AC welding

3) What is the effect of expansion and contraction due to heat in welding?

Peening Arc blow Distortion Metal force

Correct Answer: Distortion

4) Which one of the following methods of welding is not a method used to control distortion?

Skip welding Back step welding Right hand welding Intermittent welding

Correct Answer: Right hand welding

5) Which one of the below is to control distortion?

Use large size electrode Use small size electrode Use few passes with large dia electrode Use more passes with small electrode

Correct Answer: Use few passes with large dia electrode

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