CS/B.Tech (ME/PE)/SEM-8/ME-824/2013
2013
ADVANCED SENSORS FOR
ENGINEERING APPLICATION AND NDT
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 any ten of the
following : 10x1 = 10
i) Magnetic particle testing can detect
a) surface flaws b) sub-surface flaws
c) both (a) & (b) d) none of these.
ii) Eddy current testing method is applicable to
a) Ferrous metals b) Non-ferrous metals
c) Both (a) & (b) d) None of these.
iii) Developer is used in die penetrant test to
a) clean the surface
b) draw the traces of penetrants
c) both (a) & (b)
d) none of these.
iv) Most commonly used NDT is
a) Ultrasonic testing
b) Die penetrant testing
c) Visual inspection
d) None of these.
v) Eddy current testing method is sensible to
a) Surface defects b) Sub-surface flaws
c) Both (a) & (b) d) None of these.
vi) Optical pyrometer is used to measure
a) light intensity
b) flow temperature
c) high temperature
d) light intensity and high temperature