Preview Questions Welder | Role Specific Skill

Question 1: What is the most effective method for preparing steel surfaces for welding, to ensure proper adhesion of the weld?

Which action should you take?

Choose only one option

Grinding with a power tool to remove contaminants

Sandblasting the surface

Acid etching to clean the metal

Using a wire brush to remove rust

Question 2: When performing TIG welding, what is the role of the shielding gas in the welding process?

Which action should you take?

Choose only one option

It removes impurities from the surface

It helps increase the speed of welding

It increases the temperature

It protects the weld pool from atmospheric contamination

Question 3: What is the effect of post-weld heat treatment on welds in carbon steel?

Which action should you take?

Choose only one option

It relieves residual stress and reduces brittleness

It increases hardness

It decreases ductility

It speeds up cooling

Question 4: Which abrasive blasting media is considered the most effective for cleaning aluminum surfaces before welding?

Which action should you take?

Choose only one option

Steel shot

Silica sand

Glass beads

Garnet

Question 5: When fabricating a structural steel frame, which type of weld joint is most commonly used for high-strength connections?

Which action should you take?

Choose only one option

Edge joint

Corner joint

Butt joint

Tee joint

Question 6: If a blueprint indicates a weld length of 200mm and weld spacing of 10mm, how would this affect your welding process?

Which action should you take?

Choose only one option

It defines the penetration depth

It indicates the total length of weld needed

It outlines the torch angle

It specifies how often to place weld beads