Level III
PT - Liquid Penetrant Testing

Topical Outline

This examination is 2 hours in length, having 90 questions of equal value.

1. Principles/Theory
2. Principles of liquid penetrant process
3. Theory
4. Proper selection of PT as method of choice
5. Liquid penetrant processing
6. Equipment/Materials
   • Liquid penetrant test units
   • Methods of measurement
   • Lighting for liquid penetrant testing
   • Materials for liquid penetrant testing
   • Testing and maintenance of materials
7. Interpretation/Evaluation
   • General
   • Factor affecting indications
   • Indications from discontinuities
   • Relevant and Nonrelevant indications
8. Procedures
   • Liquid penetrant testing procedures, codes, standards and specifications
9. Safety and Health
   • Toxicity
   • Flammability
   • Electrical hazards
   • Personnel protective equipment
   • Right to know (MSDS)
   • Disposal of used materials

References

The number in parentheses following each reference is the ASNT catalog number.

• Level III Study Guide: Liquid Penetrant Testing (2255)
• NDT Handbook: Volume 2, Liquid Penetrant Tests (142, 142CD, 142WCD)
• Supplement to Recommended Practice No. SNT-TC-1A (Q&A Book) - Liquid Penetrant Testing Method, Revised Edition (2029)

Refresher Course

ASNT offers a PT Refresher Course based on the above topical outline.

 

 

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