ASNT VT Level III Practice Questions - ASNT NDT Level III Visual Testing (VT) Method Exam

Parallax error during direct VT measurement is best minimized by which examiner action?

Holding the gauge several inches off the surface Viewing the gauge scale at an oblique angle to avoid glare Aligning the line of sight perpendicular to the scale and surface Using a colored filter over the eye

Correct Answer:

Aligning the line of sight perpendicular to the scale and surface

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