General Training

Module 1 : Introduction
- Purpose of Liquid Penetrant Testing
- Physical Principles : Capillary Action
- Types of Dye: Type I and Type II
- Different Methods of Removal of Excess Penetrant including Water Washable, Emulsifiers and

   Solvent Removable
- Limitations of Penetrant Testing

Module 2 : Equipment and Material Required
- Different Cleaning Methods including Detergent, Solvent, Alkaline, Steam, Ultrasonic Cleaning, Vapor Degreasing, Etching,

   Paint Remover
- Penetrant Test Equipment Stationary & Portable kit
- Black Light Equipment
- Penetrant Testing Materials
- Safety Precautions

Module 3 : Surface Preparation and Penetrant Apllication
- Choice of Cleaning Method
- Physical Principles : Capillary Action
- Different ways of Applying Penetrants
- Dwell Time
- Choice of Remove Surface Excess Penetrant Method

Module 4 : Emulsification, Penetrant Removal & Apply Developer
- Penetrant Removal with Post-Emulsification Method
- Emulsification Time
- Application of Developers
- Types of Developers

Module 5 : Final Steps
- Interpretation of Test Results
- Types of Indications : True, False, Relevant and Non Relevant Indications
- Quality Control of Penetrant Test Materials

Module 6 : Types of Discontinuities and Indications
- Types of Discontinuities: Inherent, Processing and Service
- Casting Discontinuities: Hot Tear, Cold Shut, Porosity, Shrinkage
- Primary Processing Discontinuities including discontinuities in Rolling, Forging, Drawing, Extruding
- Secondary Processing Discontinuities including discontinuities in Grinding, Heat
- Treating, Machining, Welding, Plating
- Service Discontinuities: Erosion, Wear, Fatigue, Corrosion, Creep, Hydrogen Attack

Module 7 : Training, Certification, and Qualification
- ASNT SNT-TC-1A
- Written Practice
- Certification of NDT Personnel