Download GTU BE/B.Tech 2019 Winter 7th Sem New 2172102 Non Destructive Testing Question Paper

Download GTU (Gujarat Technological University) BE/BTech (Bachelor of Engineering / Bachelor of Technology) 2019 Winter 7th Sem New 2172102 Non Destructive Testing Previous Question Paper

1
Seat No.: ________ Enrolment No.___________

GUJARAT TECHNOLOGICAL UNIVERSITY

BE - SEMESTER ? VII (New) EXAMINATION ? WINTER 2019
Subject Code: 2172102 Date: 23/11/2019

Subject Name: Non Destructive Testing
Time: 10:30 AM TO 01:00 PM Total Marks: 70

Instructions:
1. Attempt all questions.
2. Make suitable assumptions wherever necessary.
3. Figures to the right indicate full marks.

MARKS

Q.1 (a) Give the names of all Destructive & Non-destructive
testing commonly carried out.
03
(b) Highlight the use of Borescope in visual testing. 04
(c) Discuss principle of Ultrasonic testing. 07

Q.2 (a) Differentiate Destructive Testing and Non Destructive
Testing
03
(b) Explain principle of visual testing and its limitations. 04
(c) State principle of liquid penetrant testing (LPT) and with
neat sketch explain different steps of LPT.
07
OR
(c) Draw neat sketch of Normal, TR and Angle probes and
standard test block used for ultrasonic testing.
07
Q.3 (a) Briefly give application and limitations of Visual Testing. 03
(b) What are different types of sound waves? Explain. 04
(c) Explain principle of leak testing and discuss Helium leak
detection techniques with neat sketch.
07
OR
Q.3 (a) Define contact angle, capillary action and dwelling time
in LPT.
03
(b) Write note on piezoelectricity 04
(c) With neat sketch explain different types of ultrasonic
probes.
07
Q.4 (a) Explain principle of radiography 03
(b) With example explain UT calibration steps on V1 or V2
block
04
(c) Explain UT A-scan, B-scan and C-scan. 07
OR
Q.4 (a) Write note on radiographic film. 03
(b) What is the use of penetrameter in RT. 04
(c) List out and explain briefly different MPT equipment. 07
Q.5 (a) Briefly explain thermal methods for NDT. 03
(b) Write note on eddy current testing. 04
(c) List UT methods and explain pulse echo method with neat
sketch.
07
OR
Q.5 (a) Explain X Ray film processing. 03
(b) Give salient features of Acoustic Emission Technique. 04
(c) Explain near zone, far zone and transition zone in UT. 07

*************
FirstRanker.com - FirstRanker's Choice