Saturday, December 3, 2016

MF7009 NON DESTRUCTIVE EVALUATION May June 2016 Question Paper

Anna University Chennai
Question Paper Code: 86775
Second Semester
Manufacturing Engineering
(Regulations 2013)
Time:Three hours
Maximum: 100 marks

Answer ALL questions.
Part A (10 x 2 = 20 marks)

1. List any four defects that can be detected by unaided visual inspection.
2. Write the important function of developer in liquid penetrant testing.
3. How the eddy current is generated ?
4. What is continuous emission in AE activity ?
5. What are the limitations of MPT methods ?
6. Mention the applications of Thermography in petroleum industry .
7. What is acoustic impedance ?
8. What is the standard code IS 9664 : 1981 recommend for ?
9. What are the maqin characteristics of class 1 and class 2 film ?
10. What is DIN 54110 ?

PART – B (5 x 13 = 65 Marks)
11. (a) (1) Discuss the comparison between destructive and non-destructive test. (6)
(2) Write a note on flexible fiber-optic horoscope. (7)
(b) Explain various testing materials involved in liquid penetrant testing. (13)
12. (a) With the help of block diagram explain the eddy current testing principles and instrumentation. (13)
(b) Explain the acoustic emission technique for crack detection in an aerospace structure. (13)
13. (a) Briefly discuss the standard MPT procedure used for testing a fatigue crack. (13)
(b) Briefly discuss about active thermography measurements. (13)

14. (a) Describe the overview of following inspection methods :
(1) Pulse –echo inspection
(2) TOFD testing (6 +7)
(b) Explain ultrasonic inspection methods to inspect fatigue cracks, inclusions, slag and porosity. (13)

15. (a) Briefly discuss various radiographic inspection techniques. (13)
(b) Explain the schematic setup of X-ray tube and circuit with suitable sketch.(13)

PART – C (1 x 15 = 15 Marks)
16.(a) Briefly discuss the magnetic particle testing for revealing surface and sub surface cracks of a steam turbine blade. Comment on performance of LPT for inspection of same defects. (15)
(b) Discuss the radiographic analysis of an aluminium casting impeller for the inspection of various defects.

Also Download: MF7009 NON DESTRUCTIVE EVALUATION May June 2015 Question Paper
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