ASNT Level III Study Guide: Visual and Optical Testing Method

This study guide proivdes prospective ASNT NDT Level III examinees with technical knowledge needed for Level III VT examination. It covers fundamentals of light/lighting, physiology of vision, fundamentals of imaging, test object characteristics, materials types, VT applications, inspection planning and inspection tools. Intented to be used with a comprehensive NDT text such as Visual and Optical Testing Handbook.