Top 150+ Solved Ultrasonic Testing Level 1 MCQ Questions Answer
Q. Another name for a compression wave is a:
a. Lamb wave
b. Shear wave
c. Longitudinal wave
d. Transverse wave
Q. Under most circumstances, which of the following frequencies would result in thebest resolving power?
a. 1 MHz
b. 5 MHz
c. 10 MHz
d. 25 MHz
Q. The most useful range of incident longitudinal wave angles for ultrasonic testing is:
a. Normal incidence to the first critical angle
b. First critical angle to the second critical angle
c. Second critical angle to the third critical angle
d. Above the third critical angle
Q. Ultrasonic testing of material where the search unit is in direct contact with thematerial being tested may be:
a. Straight beam testing
b. Surface wave testing
c. Angle beam testing
d. All of the above
Q. The echo on the cathode ray tube (CRT) which represents the far boundary of thematerial being tested is called:
a. Hash
b. The initial pulse
c. The ‘main bang’
d. The back wall echo
Q. AA standard block which can be used to calibrate an instrument for an angle beamrange calibration is:
a. Area-amplitude blocks
b. Distance-amplitude blocks
c. V1/A2 block
d. Beam spread block
Q. The ability to detect echos from small reflectors is called:
a. Resolution
b. Attenuation
c. Accuracy
d. Sensitivity
Q. When the motion of the particles of a medium is parallel to the direction ofpropagation, the wave being transmitted is called a:
a. Longitudinal wave
b. Shear wave
c. Surface wave
d. Lamb wave
Q. In contact testing, the entry surface indication is sometimes referred to as:
a. The initial pulse
b. The ‘main bang’ or transmitter pulse
c. Both (a) and (b)
d. None of the above
Q. A A second name for Rayleigh waves is:
a. Shear waves
b. Longitudinal waves
c. Transverse waves
d. Surface waves
Q. Sound beam intensity decreases expontentially with distance in the area called:
a. The near field
b. The far field
c. The dead zone
d. The delay line
Q. AA test method employing two seperate search units on opposite surfaces of thematerial being tested is called:
a. Contact testing
b. Surface wave testing
c. Through-transmission testing
d. Lamb wave testing
Q. Which of the following is not (!) a requirement of a couplant?
a. Easy application
b. Highly penetrating
c. Harmless both to the test piece and transducers
d. Excludes all air between transducer and test piece
Q. A A plan view representation of a test piece is produced by which of the following?
a. A scan
b. B scan
c. C scan
d. A time line display
Q. A A widening of the front surface indication, when testing a rough surface, is caused by:
a. Defects in the test piece
b. A coarse grain structure
c. A partial reflection of ultrasonic beam side lobe energy
d. Ultrasonic instrument malfunction