Visual Testing (VT) Practice Exam

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What is the primary concern when inspecting welded joints for discontinuities?

Surface finish
Strength integrity
Visual aesthetics
Cost-effectiveness

The correct answer is: Strength integrity

The primary concern when inspecting welded joints for discontinuities is strength integrity. This focus is essential because the primary purpose of a weld is to ensure that the joint can withstand the stresses and loads that it will encounter when in service. Discontinuities such as cracks, inadequate fusion, slag inclusions, or porosity can severely compromise the structural integrity of the welded joint, potentially leading to failure under operational conditions. While other factors like surface finish, visual aesthetics, and cost-effectiveness may play roles in the overall evaluation process, they are secondary to ensuring that the welded joint is sound and capable of performing as intended. A weld that looks aesthetically pleasing but lacks strength will not fulfill its purpose, making strength integrity the paramount concern during inspections.