WBUT Question Paper 2012 of ADVANCED SENSORS FOR ENGINEERING APPLICATION AND NDT (CS/B.TECH(ME/PE)/SEM-8/ME-824/2012)

Submitted by Anonymous (not verified) on Fri, 08/01/2014 - 11:27

CS/B.TECH(ME/PE)/SEM-8/ME-824/2012

2012

ADVANCED SENSORS FOR ENGINEERING

APPLICATIONS 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 the following :

10 × 1 = 10

i) Dynamic change in a material can be detected by

a) Magnetic particle testing

b) Acoustic emission monitoring

c) Eddy current testing

d) None of these.

ii) An axial magnetic field can detect flaws

a) Parallel to it b) at an angle to it

c) both (a) & (b) d) none of these.

iii) Materials that can be inspected by magnetic particle

testing must be

a) Ferromagnetic

b) ferrous but non-ferromagnetic

c) both (a) & (b)

d) none of these.

iv) Radiations used for radographic inspection are

a) X-rays b) gamma rays

c) neuron beams d) all of these.

v) Defects in porous objects cannot be detected by

a) radiographic inspection

b) liquid penetrant method

c) ultrasonic inspection

d) all of these.

Attchments

Comments

Related Items