Conventional UT Question & Answers_Specific

1. ULTRASONIC TESTING
LEVEL-II
Page 1 of 5
SPECIFIC
(Solve 1 to 5 questions according to given documents)
1. The purposeof practice SE-213 is specified for
a. Resonance method
b. Pulse-echo method
c. Through transmission method
d. None of the above
2. In reference block the width of the notches
a. Should be morethan twice of its depth
b. Should be as small as practical and should not exceed twice the depth
c. Should be morethan its length
d. Does not mention in the procedure
3. During continuous work Calibration should be check
a. every week
b. prior to startany inspection then after every 8 hrs
c. prior to startany inspection then after every 4 hrs
d. no need to check calibration as it is already calibrated by supplier
4. The guidelines useby the employer to establish their written practice for
qualification and certification of their personnelis
a. CP-189
b. SNT-TC-1A
c. SP-TQ-112
d. None of the above
5. One found the indication of 7 mm from slag having amplitude greater
than reference level in 19 mm thickness weld joint (excluding
reinforcements). According to Appendix-12 this discontinuity is
a. Accepted
b. Rejected
c. May be accepted or rejected depend upon operator design
d. None of the above

2. ULTRASONIC TESTING
LEVEL-II
Page 2 of 5
6. The diagram showing entire circuits stage or sections by geometric
figures and the path of the signalor energy by lines known as:
a. Schematic diagram
b. Blueprint
c. Block diagram
d. None of the above
7. Hole produces during the solidification of the metal due to escaping
gases is called:
a. Burst
b. Cold shut
c. Flaking
d. Blow hole
8. In immersion testing irrelevant or false indications caused by contoured
surfaceare likely to result in a :
a. Broad-based indication
b. Peaked indication
c. “Harshy”signals
d. Narrow based indication
9. In immersion testing the search unit and search cables are attached is
called a:
a. Crystalcollimator
b. Scrubber
c. Jet-stream unit
d. Search tube or scanning tube
10.Angle beam testing of the plate will miss :
a. Big Laminations parallel to the surface
b. Cracks that are perpendicular to the sound beam
c. A series of small indications
d. Inclusions thatare randomly oriented
11.As you increasethe frequency of the transducer :
a. The lateral resolution is improved
b. The beam divergenceis increases
c. The length of the near field increases
d. The sensitivity increases

3. ULTRASONIC TESTING
LEVEL-II
Page 3 of 5
12.Which of the following could be considered a discontinuity?
a. Crack
b. Change of section
c. Drilled holed
d. All the above
13.A flaw which is deemed to be unacceptable standards is called?
a. A discontinuity
b. A defect
c. An indication
d. A blemish
14.Which of the following is an example of reshaping?
a. Casting
b. Forging
c. Grinding
d. All of the above
15.To vary or change the wavelength of sound being used to test a part, you
would change the:
a. Sound wavefrequency
b. Diameter of the transducer
c. Electrical pulse voltage
d. Pulse repetition rate
16.For the given incident angle, as the frequency increases, the refracted
angle:
a. Increases
b. Decreases
c. Stays the same
d. Can’t be determine
17.A device transformelectrical pulses into mechanical and vice versa
utilizes:
a. Snell’s law
b. Piezo-electric principles
c. Mode conversion principles
d. None of the above

4. ULTRASONIC TESTING
LEVEL-II
Page 4 of 5
18.The ratio of the velocity of sound in water compare to that for
aluminium or steel is approximately:
a. 1 : 8
b. 1 : 4
c. 1 : 3
d. 1 : 2
19.Which circuits triggers the pulser and sweep circuits in A-scan display?
a. Receiver-amplifier
b. Power supply
c. Clock
d. Damping
20.Compensation for the variation in echo height related to variations in
discontinuity depth in the test material is known as :
a. Transfer
b. Attenuation
c. Distance amplitude correction
d. Interpretation

5. ULTRASONIC TESTING
LEVEL-II
Page 5 of 5
1. b 11. c
2. b 12. d
3. c 13. b
4. b 14. b
5. b 15. a
6. c 16. c
7. d 17. b
8. a 18. b
9. d 19. c
10. a 20. c