PART 0

7. (a) Discuss the failure theories ofcoatings (6)
(b) Explain the different types of magnetic particle inspection. (6)
8. (३) Explain the variables influencing the accuracy of brittle coating application. (5)

(b) Give examples for brittle coating material. Explain the procedure involved in brittle coating
method. (7)

9. (a) Explain the working principle of X-radiography method?Mention the advantages and limitations
of the method (6)

(b) Give the classification of ultrasonic waves? Describe about the flaw detection using these

waves. (6)