B.TechSemester 62023-24Nondestructive TestingKME061

Nondestructive Testing (KME061) - AKTU Question Paper 2023-24

B.Tech · Semester 6 · Free PDF Download

This is the official AKTU Nondestructive Testing Previous Year Question Paper for B.Tech Semester 6, academic session 2023-24. Published by Dr. A.P.J. Abdul Kalam Technical University (AKTU/UPTU), Lucknow. Free PDF download — no login required.

Course:B.Tech

Semester:Semester 6

Session:2023-24

University:AKTU / UPTU

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Questions Asked in 2023-24

Nondestructive Testing (KME061) — complete question paper · 100 marks · 3 Hours

Section AAttempt all q u e s t i o n s i n b r i e f . 2 x 10 = 20

a
What do you mean by toughness and hardness? 02
b
Name the important material properties that can be checked in destructive testing
c
What is penetrant? 02
d
Define the use of developers and their types. 02
e
Explain the term radiography testing. 02
f
What do you mean by decay in radiography testing? 02
g
What is Immersion testing? 02
h
Explain the characteristic s of an ultrasonic beam. 02 i. What is the phenomenon of eddy current? 02 j. Give some applications of Eddy’s current testing. 02

Section BAttempt any three o f t h e f o l l o w i n g : 3 x 10 = 30

a
Describe the visual inspec tion technique and write down the different types of visual inspection
b
What is Zyglo test? Explain the basic steps involved in this inspection with
c
X-rays of wavelength 1.5418 Å are deflected by (111) plane i n a crystal at an angle 29° with assumption of I st order reflection. Calculate interatomic spacing
d
Explain CRO technique advant ages and limitations. Explain pr inciple of the Ultrasonic Testing technique in NDT
e
Briefly explain why eddy current tests are less sensitive to small flaws than magnetic testing. Explain with suitable examples

Section CAttempt any one p a r t o f t h e f o l l o w i n g : 1 x 10 = 10

a
Differentiate between destr uctive and non-dest ructive testin g with a suitable example. Explain the ringing test for the detection of surface cracks with the help of a neat sketch
b
Discuss the effectiveness of oil whitening in detection of s urface flaws of a casting? Write the various defects that can be checked in NDT
a
Explain the working principle and test procedure of liquid p enetrant Inspection. For detecting surface defects and also write the li mitations and advantages
b
What do you understand by magne tic hysteresis? Explain diffe rent magnetization techniques used in magnetic particle testing & th eir sensitivity
a
Explain Bragg’s Law and What doyou mean by attenuation of electromagnetic radiation?
b
Describe the differences between X-ray and gamma-ray. Explai n the criteria for choosing one. Explain a case study of the human bo dy X-ray. Explain precautions against radiation hazards
a
Briefly describe the transducers used in UI testing. What is the purpose of couplants and how they are used in the inspection process?
b
What do you understand by Piezoelectricity? Explain it. How piezoelectric crystal is used in UI?
a
Explain the types of probes used in Eddy Current Testing. Wh a t a r e t h e factors affecting probe selection? What is fill factor?
b
Write Short Notes on
a
Thermography and b.Acoustic Emission Testing

Question text is extracted from the official AKTU question paper PDF above. Hindi translations are omitted — every question is printed in English in the original paper. Last verified: 2026-08-23.

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