CS/B.Tech(AUE)/SEM-8/AUE-816/2012
2012
NON-DESTRUCTIVE TESTING METHODS
Time Allotted : 3 Hours Full Marks : 70
The figures in the margin indicate full marks.
Candidates are required to give their answers in their own words
as far as practicable.
GROUP – A
( Multiple Choice Type Questions )
1. Choose the correct alternatives for the following :
10X1 = 10
i) Which type of testing is selected to detect creep in
engineering material ?
a) Ultrasonic testing ( U.T. )
b) Acoustic emission tesing ( A.E.T. )
c) Thermography testing ( T.T. )
d) Magnetic particle testing ( M.P.T. )
ii) Coating thickness can be detected with the help
a) Eddy current tesing ( E.C.T. )
b) Liquid penetrant testing ( L.P.T. )
c) Visual testing ( V.T. )
d) Radiographic testing ( R.T. ).
iii) NDT methods are used to inspect in-service operation
of product damage like
a) Rolling b) Heat treatment
c) Welding d) Corrosion.
iv) Latent cracks may be detected by which technique ?