CRI Welding Defects Identification

Question 1

What is porosity in welding?

Accepted Answer

Gas pockets or voids within the weld metal.

Answer

Cracks along the weld.

Answer

Undercut at the weld toe.

Answer

Lack of penetration.

Question 2

Which welding defect is caused by excessive heat and poor technique?

Accepted Answer

Cracking.

Answer

Undercut.

Answer

Porosity.

Answer

Overlap.

Question 3

What is undercut in welding?

Accepted Answer

A groove at the weld toe reducing cross-section.

Answer

A crack in the weld.

Answer

Gas pockets inside the weld.

Answer

Excess weld metal.

Question 4

Which defect occurs when the weld metal does not properly fuse with the base metal?

Accepted Answer

Lack of fusion.

Answer

Porosity.

Answer

Overlap.

Answer

Cracking.

Question 5

What is overlap in welding?

Accepted Answer

Excess weld metal over base metal without fusion.

Answer

Incomplete weld bead.

Answer

Gas pockets inside the weld.

Answer

A groove at the weld toe.

Question 6

Which welding defect can cause structural weakness and failure?

Accepted Answer

Cracks.

Answer

Porosity.

Answer

Overlap.

Answer

Spatter.

Question 7

What does spatter refer to in welding?

Accepted Answer

Molten metal droplets scattered around the weld.

Answer

Large cracks in weld.

Answer

Incomplete fusion areas.

Answer

Undercut grooves.

Question 8

Which welding defect occurs due to improper cooling rates?

Accepted Answer

Cracking.

Answer

Porosity.

Answer

Overlap.

Answer

Spatter.

Question 9

How can welding defects be minimized?

Accepted Answer

Using correct technique and settings.

Answer

Ignoring welding parameters.

Answer

Skipping weld inspections.

Answer

Welding at random speeds.