Non destructive testing and materials important questions for AU Apr May 2020 Exams

ANNA UNIVERSITY APR MAY 2020 THEORY EXAMS 

POSSIBLE QUESTIONS SET

ME 6019– NON DESTRUCTIVE TESTING AND MATERIALS

(REG 2013)

UNIT I

1. Illustrate the working principle of VT with suitable sketch.

2. Discuss various optical aids used in visual inspection techniques.

3. Discuss the different types of non destructive testing methods and mention the application of each technique.

4. Explain with suitable sketch about the welding defects during welding process.

UNIT II

5. Illustrate with neat sketching about the principle of liquid penetrant testing.

6. Explain in detail about types penetrants used for liquid penetrant testing. 

7. Explain with suitable sketch about the working principle of Magnetic particle inspection and list its application.

8. Explain with suitable sketch about following: (i) Circular Magnetization (ii) Longitudinal Magnetization (iii) Residual Magnetization.

UNIT III

9. Illustrate with suitable sketch about working principle of Eddy current non destructive testing.

10. Illustrate with neat sketch about the infrared testing methods.

11. Illustrate with suitable sketch about types of thermography.

12. Explain the principle of thermography and various parameters involved in the process.

13. List the various probes used in EDT and explain them with neat sketch.

UNIT IV

14. Briefly explain with suitable sketch about working principle of Ultrasonic testing.

15. Illustrate with neat sketch about the following methods of scanning used in ultrasonic testing. (i) A-Scan (ii) B-Scan (iii) C-Scan.

16. What are the basic properties of ultrasonic waves? Describe the two main ultrasonic techniques.

17. Illustrate with suitable sketch about Acoustic emission testing technique.

18. Discuss about the various parameters involved in AET.

UNIT V

19. Briefly explain with suitable sketch about working principle of Radiography testing.

20. List the various radiography imaging techniques with suitable sketches.

21. Describe the construction of radiographic film and list the factors to be considered for selection of Radiographic film.

22. Explain with neat sketch about the Computed Radiography and Computed Tomography.

23. Illustrate with neat sketch about the following (i) Fluoroscopy Radiographic system (ii) Xerography (iii) Stereo radiography (iv) Neutron radiography

These are the questions expected for University exam. These may or may not be asked in exams.