CWI Practical Visual Inspection 4

Question 1

A visual inspector notices that a T-joint fillet weld has weld metal covering the base metal surface beyond the weld toe with no fusion. This is best described as:

Accepted Answer

Overlap

Answer

Overlap is the protrusion of unfused weld metal beyond the weld toe onto the base metal surface, acting as a mechanical notch.

Question 2

When using a fillet weld gauge (such as a bridge cam gauge), how do you measure the actual throat of a convex fillet weld?

Accepted Answer

Use the gauge to measure from the weld root to the weld face along the theoretical throat line

Answer

The actual throat is measured from the weld root perpendicular to the weld face; for a convex fillet, a bridge cam gauge measures this directly.

Question 3

During visual inspection of a structural steel weld, a CWI must verify that the joint preparation (groove angle and root opening) conforms to:

Accepted Answer

The WPS and applicable code requirements

Answer

Joint preparation must conform to the project's Welding Procedure Specification (WPS) and the applicable code, ensuring consistent weld quality.

Question 4

What characteristic of a weld profile indicates burn-through?

Accepted Answer

A hole or complete melt-through of the base metal in the weld zone

Answer

Burn-through is characterized by a hole or complete penetration of the base metal in the weld area, caused by excessive heat input.

Question 5

A CWI is inspecting a groove weld and finds that the weld shows visible porosity at a rate exceeding code limits. What is the appropriate action?

Accepted Answer

Reject the weld and require removal and repair per applicable code

Answer

When porosity exceeds code acceptance limits, the weld must be rejected, and the defective portion must be removed and repaired per the applicable repair procedure.

CWI Practice Test

CWI Practice Test

CWI Practical Visual Inspection 4