F E192103 Pages:2

Reg No.:_ Name:

APJ ABDUL KALAM TECHNOLOGICAL UNIVERSITY
FIFTH SEMESTER B.TECH DEGREE EXAMINATION(R&S), DECEMBER 2019
Course Code: ME367
Course Name: NON-DESTRUCTIVE TESTING

Max. Marks: 100 Duration: 3 Hours
PARTA

Answer any three full questions, each carries 10 marks. Marks

1 8) Whatis the significance of NDT in engineering applications? (2)
b) What are the objectives of NDT (4)

c) Define Visual Perception. List the steps involved. (4)

2 8) List the applications and Limitations of Visual inspection technique in NDT (5)
b) What are the different types of light sources used in Visual Inspection? (5)

3 a) What are the advantages and disadvantages of Non aqueous developers and water (4)
soluble developers used in LPI?
b) What are the methods used to remove excess penetrants during LPI (6)
4 9) Howare penetrants classified based on

a. Physical properties

b. Removal techniques (8)
c. Strength of indication
b) List any 4 defects that can be detected using LPI. (2)
PART 13
Answer any three full questions, each carries 10 marks.
5 8) Whatis the principle of MPI (5)
b) What are the various reasons for false indications, Non-relevant indications and (5)
Relevant indications during MPI?
6 9) Explain with suitable sketch about following
a. Circular magnetization (3)
b. Longitudinal magnetization
b) What is continuous testing and residual technique of MPI (7)
7 With neat sketches explain the procedures followed in transmission method and Pulse-
echo method of UT. (10)
8 a) Whatare the Limitations and applications of UT (7)
b) What 15 the need for Calibration of Equipments in UT (3)

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