Lesson 1: Introduction to Liquid Penetrant Testing
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Tips before getting started
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What to expect in this section?
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Visible PT (Practical)#1
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Visible PT Practical #2
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Fluorescent PT (Practical)
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History: Traditional Oil and Whiting Method
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Steps to perform Liquid Penetrant Testing (3:41)
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Reasons for selecting LPT
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Types of Penetrants
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What is SNT-TC-1A? (2:43)
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Three Levels of Certification (3:52)
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Qualification and Certification
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The General, Specific and Practical Exams
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Vision Tests
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Safety Measures to be taken while performing PT
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Read Chapter 1
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Lesson 1 Quiz
Lesson 2: Liquid Penetrant Processing
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Preparing test objects for LPT
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Methods of Pre-cleaning the surface to be inspected (2:45)
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What is Grit Blasting and Vapor Degreasing?
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Pre cleaning processes to avoid
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Applying penetrant
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Interactive: What is Capillary Action?
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Titanium and Nickel Alloys Special Treatment
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Illumination Requirements
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Visible PT with Brushing technique
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Fluorescent PT with Dipping technique
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Flourescent PT with Pouring technique
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Take a break
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Removal of Excess Surface Penetrant
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Another Fluorescent Penetrant Testing Station Demonstration
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Developer Application
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Types of Developers
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Dwell Time vs Development Time
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Interpretation & Evaluation of indications
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What are Relevant and Nonrelevant Indications (4:01)
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Read Chapter 2
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Lesson 2 Quiz
Lesson 3: Liquid Penetrant Testing Methods
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Emulsifier Principle
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Method D Post-emulsifiable technique
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Type I vs Type II
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Method A, Water-Washable (2:54)
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Interactive: PT Method A (Water Washable), Wet Developer
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Interactive: PT Method A (Water Washable), Dry Powder Developer
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Method B, Lipophilic Emulsification (2:29)
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Interactive: PT Method B (Post-Emulsifiable), Lipophilic Emulsifier
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Method C, Solvent-removable (1:55)
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Interactive Exercise - Method C
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Method D, Hydrophilic Emulsification (2:22)
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Interactive: PT Method D (Post-Emulsifiable), Hydrophilic Remover
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Read Chapter 3
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Lesson 3 Quiz
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Water Break
Lesson 4: Liquid Penetrant Testing Equipment
Lesson 5: Selection of Liquid Penetrant Testing Method
Lesson 6: Interpretation and Evaluation of Indications
Process Control Checks
Important Review Videos and Quizzes
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Light intensities for Visible and Fluorescent Penetrant Testing
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What is flash point?
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What can and cannot be inspected using LPT?
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Recap of all steps in Liquid Penetrant Testing (17:09)
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Final Recap Video (26:17)
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Review 1
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Review 2
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Review 3
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Acceptance/Rejection Criteria Questions #1
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Acceptance/Rejection Criteria Questions #2
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LPT Jeopardy Style Quiz
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ASNT Practice Questions #1-10
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ASNT Practice Questions #11-20
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ASNT Practice Questions #21-30
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ASNT Practice Questions #31-40
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ASNT Practice Questions #41-50
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ASNT Practice Questions #51-60
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ASNT Practice Questions #61-70
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ASNT Practice Questions #71-80
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ASNT Practice Questions #81-90
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ASNT Practice Questions #91-100
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ASNT Practice Questions #101-110
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Congratulations!
