Top 150+ Solved Ultrasonic Testing Level 1 MCQ Questions Answer
Q. When a sound beam is reflected:
a. The angle of reflection is found using Snell's law
b. The angle of reflection equals the angle of incidence
c. All the sound energy is reflected unless the acoustic impedanmce is zero
d. Beam spread is decreased
Q. The ability to detect echoes from small reflectors is called:
a. Resolution
b. Attenuation
c. Accuracy
d. Sensitivity
Q. The ability to separate echoes from reflectors close together in depth is called:
a. Resolution
b. Attenuation
c. Accuracy
d. Sensitivity
Q. Which of the following transducer materials is the most efficient receiver ofultrasonic energy?
a. Lead metaniobate
b. Quartz
c. Lithium sulfate
d. Barium titanate
Q. AA display which shows the initial pulse and the front surface echo superimposedwould be considered:
a. An immersion test
b. An A scan
c. A contact test
d. A B scan
Q. AA display which shows the initial pulse and the front surface echo with a fairly widespace between the two would be considered:
a. An immersion test
b. An A scan
c. A contact test
d. A B scan
Q. When conducting an immersion test, the water path distance must be controlled sothat:
a. Spurious signals are not created by surface waves on the test piece
b. The (water path distance)/(diameter) ratio does not result in asymmetric standing waves
c. The test piece discontinuity indications appear between the first front and first back surface echos
d. The second front surface echo does not appear on the CRT screen between the first front and first back surface echos
Q. Bubblers and wheel transducers are considered:
a. Immersion techniques
b. Modified immersion techniques
c. Contact techniques
d. Offset techniques