BASIC WELDING PROCESS 2 WELDING - Practice Mode

1) Which is chemical cleaning process?

Grinding Rubbing Brushing Wash by solvent

Correct Answer: Wash by solvent

2) What is the defect if metal flowing into the surface of the base metal without fusing it?

Lack of fusion Over lap Lack of penetration Under cut

Correct Answer: Over lap

Explanation:

3) What is the defect if fusion does not take place up to the root of the weld?

Over lap Under cut Lack of fusion Lack of penetration

Correct Answer: Lack of penetration

4) What is the defect due to too much weld metal added to the joint that there is excessive weld reinforcement?

Lack of fusion Excessive penetration Excessive convexity Under cut

Correct Answer: Excessive convexity

5) What is the corrective action, if edge of plate melted during welding?

Deposit additional weld metal to increase throat thickness Deposit a thin stringer bead at the top of weld Correct diameter of electrode as per metal thickness Ensure correct angle of bevel and required root gap

Correct Answer: Deposit additional weld metal to increase throat thickness

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