Non destructive Testing
Get the full GTU study material, English & Gujarati textbook PDFs, syllabus curriculum, and solved previous year question papers.
English Book & Chapters
English Book Coming Soon
We are working hard to add this material. Stay tuned for updates!
Follow on Instagram for UpdatesGTU Previous Year Papers
Non destructive Testing Syllabus — Unit-wise Content
The official GTU curriculum for Non destructive Testing (subject code 3161923) as prescribed for Mechanical Engineering · Semester 6 divides the course into 7 units, covering 37 listed topics. The unit-wise breakdown below is read from the GTU syllabus document for this subject code, so you can check what the course actually covers before deciding which papers to attempt.
Download the official syllabus PDF (3161923)Unit 1 Introduction
- Fundamentals of and introduction to destructive and non-destructive testing
- Scope and limitations of NDT, Visual examination methods
- Different visual examination aids
Unit 2 Dye penetrant Testing/ liquid penetrant testing
- characteristics of penetrant
- types of penetrants
- penetrant testing materials
- fluorescent penetrant testing method– sensitivity
- application and limitations
Unit 3 Magnetic Particle Testing
- Important terminologies related to magnetic properties of material
- magnetizing technique
- fluorescent magnetic particle testing method
- application and limitations
Unit 4 Ultrasonic Testing
- Basic principles of sound propagation
- types of sound waves
- Principle of UT, methods of UT, their advantages and limitations
- Piezoelectric Material
- Various types of transducers/probe
- Calibration methods
- use of standard blocks
- technique for normal beam inspection
- flaw characterization technique
- defects in welded products by UT, Thickness determination by ultrasonic method
- Study of A, B and C scan presentations
- limitations acoustic emission testing – principles of AET and techniques
Unit 5 Radiographic testing
- X-ray and Gamma-Ray radiography
- Their principles
- methods of generation
- Industrial radiography techniques
- inspection techniques
- Types of films
- screens and penetrameters
- Interpretation of radiographs
- Safety in industrial radiography
Unit 6 Leak and pressure testing
- Definition of leak and types
- Various methods of pressure and leak testing
- Application and limitation 4 Subject Code: 3161923 W.e.f 2018-19
Unit 7 Eddy current testing
- limitation Thermal methods of NDT 4 Total
Study on Android App:
