Physics Group - I (3110011) MCQs

MCQs of Ultrasonic and Non distractive testing (NDT)

Showing 31 to 38 out of 38 Questions
31.
Non Destructive Testing is an experimental method used to study the __________ of materials under operating conditions.
(a) quality
(b) stimulation
(c) turbidity
(d) boiling point
Answer:

Option (a)

32.
Can ultrasonic waves be used to detect defect in a metal without damaging the material?
(a) Yes
(b) No
(c) Only surface would be damaged
(d) can't say
Answer:

Option (a)

33.
Following is an example of application of ultrasonic wave
(a) industrial applications
(b) medicinal applications
(c) acoustic holography
(d) all of these
Answer:

Option (d)

34.
The following can be considered as an objective for using NDT technique
(a) all of these
(b) To find the composition & their percentage in any material
(c) Measure a size of cracks & holes of material
(d) One can test materials properties
Answer:

Option (a)

35.
One can detect Internal stresses & strain with the help of
(a) Thermal detection
(b) Molecular spectroscopy
(c) Mass spectroscopy
(d) Non-destructive Testing
Answer:

Option (d)

36.
NDT __________ the service life of material under test
(a) increases
(b) decreases
(c) does not alter
(d) insufficient data
Answer:

Option (c)

37.
In service testing is not possible in which type of testing?
(a) destructive
(b) non-destructive
(c) in both a and b types
(d) not in either a or b
Answer:

Option (a)

38.
The change in velocity of ultrasonic waves with frequency is known as __________ of ultrasonic waves
(a) diffraction
(b) dispersion
(c) attenuation
(d) interference
Answer:

Option (b)

Showing 31 to 38 out of 38 Questions