Preview Questions Welder | Role Specific Skill

Question 1: Which of the following is a recommended abrasive grit for preparing aluminum surfaces before welding?

Which action should you take?

Choose only one option

220-grit

120-grit

60-grit

400-grit

Question 2: What is the effect of using an improper filler material in metal fabrication?

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Enhanced corrosion resistance

Faster welding speeds

Increased strength of the weld

Potential weakening and brittleness of the weld

Question 3: How does heat treatment affect the finished surface of a welded joint in carbon steel?

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Increases oxidation

Reduces residual stress and improves hardness

Prevents oxidation

Causes distortion and cracking

Question 4: When working in confined spaces, what should be done before starting welding operations?

Which action should you take?

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Increase welding voltage for faster operations

Ensure the space is well-ventilated and continuously monitored for toxic gases

Use a larger welding machine to disperse fumes

Close all openings to prevent the escape of gases

Question 5: When using oxy-acetylene welding equipment, what is the maximum allowable working pressure for the acetylene cylinder?

Which action should you take?

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15 psi

30 psi

5 psi

40 psi

Question 6: Which of the following welding machines is most commonly used for heavy-duty industrial welding?

Which action should you take?

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TIG welder

Plasma cutter

Stick welder

MIG welder