This download link is referred from the post: JNTUA M.Tech 2nd Sem last 10 year 2010-2020 Previous Question Papers (JNTU Anantapur)
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Code: 9D15108
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M.Tech II Semester Supplementary Examinations February 2018
NON-DESTRUCTIVE EVALUATION
(Production Engineering & Engineering Design)
(For students admitted in 2013, 2014, 2015 & 2016 only)
Time: 3 hours
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Max. Marks: 60
Answer any FIVE questions
All questions carry equal marks
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- (a) Explain briefly the principle of magnetic particle inspection.
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(b) What are sensing elements as applied to eddy current test system and with sketches explain the encircling and surface testing coils? - (a) Briefly explain the principle of production of X-rays and explain how the cathode electron loses its energy at the anode in production of X-rays.
(b) Enumerate the factors to be considered in the selection of X-ray unit. - (a) Explain the film graininess signal to noise ratio in radiographs.
(b) Explain briefly the sensitometric characteristics of X-ray films. - Explain the different types of search units that are used in ultrasonic inspection with sketches.
- Explain the following with neat sketches:
(a) Acoustical holography.
(b) Optical holography. - What are the different types of ultrasonic scanning system? Explain the C-scan display system and functions of various controls.
- Discuss the applications of NDT as applied to castings with relevant sketches.
- Discuss clearly the non-destructive testing in flow analysis of pressure vessels with appropriate sketches.
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This download link is referred from the post: JNTUA M.Tech 2nd Sem last 10 year 2010-2020 Previous Question Papers (JNTU Anantapur)