CWI Practical Visual Inspection Questions and Answers

Question 1

An inspector is visually examining a completed groove weld on a 1-inch thick carbon steel plate subject to cyclic loading under AWS D1.1.
Which of the following discontinuities is strictly prohibited, regardless of its size or location?

Accepted Answer

Crack

Answer

Undersized weld

Answer

Porosity

Answer

Undercut

Question 2

During a post-weld visual inspection, which tool is specifically designed to measure the depth of undercut and the height of weld reinforcement?

Accepted Answer

Bridge Cam gauge

Answer

Fillet weld gauge

Answer

Hi-Lo gauge

Answer

Telescoping mirror

Question 3

A visual inspector identifies a condition where the weld metal has melted the base metal at the toe of the weld, but has not deposited sufficient filler metal, creating a groove. This discontinuity is best described as:

Accepted Answer

Undercut

Answer

Overlap

Answer

Underfill

Answer

Incomplete fusion

Question 4

According to ASME B31.3 for Normal Fluid Service, what is the minimum required frequency for visual examination (VT) of completed welds?

Accepted Answer

100% of all completed welds.

Answer

A random 5% of all welds.

Answer

All welds made by a new welder for the first week.

Answer

Only welds that are also subject to radiographic testing.

Question 5

An inspector is performing a pre-weld visual inspection on a pipe joint. Which of the following items is the inspector MOST likely to check at this stage?

Accepted Answer

Joint alignment and root opening.

Answer

The presence of undercut or overlap.

Answer

The final weld reinforcement height.

Answer

The interpass temperature.

Question 6

While performing visual inspection of a completed fillet weld, an inspector notices insufficient weld metal at the joint, resulting in the weld face being below the surface of the adjacent base material. This condition is known as:

Accepted Answer

Underfill

Answer

Excessive convexity

Answer

Concavity

Answer

Incomplete penetration

An inspector is visually examining a completed groove weld on a 1-inch thick carbon steel plate subject to cyclic loading under AWS D1.1.Which of the following discontinuities is strictly prohibited, regardless of its size or location?

An inspector is visually examining a completed groove weld on a 1-inch thick carbon steel plate subject to cyclic loading under AWS D1.1.
Which of the following discontinuities is strictly prohibited, regardless of its size or location?