Chapter 1: Introduction to Visual Testing
Chapter 2: Physics and Fundamentals of Visual Testing
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The Nature Of Light (3:27)
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Light sources (2:56)
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Let's Recap
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Measurement of Illumination and Interaction of Light with Matter (5:43)
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Let's Recap
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Light Intensity and Illumination (5:47)
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Interactive Practice Questions on Inverse Square Law
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Luminance, Reflectivity and Reflectivity Contrast (5:58)
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Let's Recap
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Environmental Factors and Safety (2:09)
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Let's Recap
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Perception and Illusion (4:31)
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Let's Recap
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Read Chapter 2
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Review 2
Chapter 3: Visual Testing Techniques
Chapter 4: Basic Visual Testing Equipment
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Mirrors (4:49)
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Magnifiers (5:13)
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Let's Recap
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Borescopes: Rigid Borescopes (3:52)
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Fiber Borescopes and Video Borescopes (3:45)
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Video Borescope Demonstration
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Olympus Video Borescope
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Let's Recap
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Interactive Practice Questions on Borescopes
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Light Sources and Special Lighting (5:32)
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Let's Recap
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Visual Examination on field
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Measurement Tools (5:47)
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Calipers
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Let's Recap Rulers and Calipers
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Micrometers
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Feeler and Wire Gages
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Go/no-go Gages #1
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Go/no-go Gages #2 (Thread Plug Gages)
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Let's Recap Micrometer, Feeler Gage and Calibration
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Interactive Practice Questions on Measurement Tools
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Read Chapter 4
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Review 4
Chapter 5: Visual Testing of Welds
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4 documents to download
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Welds and Welding Processes (6:50)
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Stick Welding (or Shielded Metal Arc Welding: SMAW)
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MIG Welding (GMAW)
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TIG Welding (GTAW)
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Flux Cored Arc Welding (FCAW)
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Welding Discontinuities Part 1
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Welding Discontinuities Part 2
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Welding Discontinuities Part 3
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Incomplete Penetration and Lack of Fusion Weld Defects (3:20)
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Let's Recap Disconituities
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Interactive Practice Questions on Weld Defects
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Direct Visual Testing of Welds
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Let's Recap Gages
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Interactive Practice Questions on Gages
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Visual Inspection of Welds (tips)
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Weld Replicas and Tools for Visual Inspection
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Read Chapter 5
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Review 5
Chapter 6: Visual Testing of Castings and Wrought Products
Chapter 7: Visual Testing Procedures
Chapter 8: Elements of Vision
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Anatomy of Eye
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Anatomy of the eye and mechanics of vision
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Adaption and accommodation
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Vision limitations, perception, orientation, and disorders
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Vision acuity
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Snellen Chart or 20/20 Vision #1
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Snellen Chart or 20/20 Vision #2
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Landolt Rings Chart
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Jaeger Chart
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Shades of gray and color differentiation
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The Ishihara Color Blind Test
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Read Chapter 8
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Review 8
Chapter 9: Elements of Lighting
Chapter 10: Optics
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Refraction Of Light (2:37)
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Refraction of light
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Math on Refraction of Light
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Practice Math Problems
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How do Prisms Work?
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Prisms #2
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How prisms change the direction of light
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How Lenses Work
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Lenses Inside Rigid Borescope (5:33)
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How lenses focus light
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Borescope magnification
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How Fiber Optics Work #1
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How Fiber Optics Work #2
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Fiber optics and fiber bundles
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Digitization and charge-coupled devices #1
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Digitization and charge-coupled devices #2
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Digitization and charge-coupled devices Reading
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Read Chapter 10
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Review 10
Chapter 11: Advanced Visual Testing Equipment
Chapter 12: Service-Induced Discontinuities
Chapter 13: Evaluation
Final Review
