Top 150+ Solved Ultrasonic Testing Level 2 MCQ Questions Answer
Q. Which of the following is an advantage of a focused transducer?
a. Extended useful range
b. Reduced sensitivity in localised area
c. Improved signal to noise ratio over an extended range
d. Higher resolution over a limited range
Q. Which of the following is intended to be a ‘first cut’ or rough inspection device to befollowed by more precise evaluation of any discontinuities found?
a. Wheel transducer
b. Focused transducer
c. Paintbrush transducer
d. Ball transducer
Q. A wider entry surface indication or pulse may result from:
a. Side lobes of the sound beam being reflected from a rough surface
b. Using a lower energy pulser
c. Using a higher amplifier attenuation setting
d. Huygen's principle
Q. Which of the following methods might be used to reduce attenuation losses in anultrasonic test?
a. Use a shorter wavelength
b. Use a lower frequency transducer
c. Change from longitudinal waves to shear waves
d. Change to a coarser grained test piece
Q. When comparing discontinuity echoes to equivalent flat bottom hole echoes inmaterials with similar impedance, surface finish and attenuation:
a. The flaw is never larger than the flat bottom hole
b. The flaw is never smaller than the flat bottom hole
c. The flaw is always smaller than the flat bottom hole
d. None of the above
Q. An advantage of immersion testing is that:
a. Large parts are easily inspected
b. Most test systems are easily transported in the field
c. High test frequencies may be used
d. Most test systems are not easily transported in the field
Q. An advantage of immersion testing is that:
a. Large parts may be easily inspected
b. Most test systems are easily transported in the field
c. Low test frequencies may be used
d. Irregularly shaped test pieces can be virtually completely examined
Q. An ultrasonic data display which shows a plan view presentation of the data is called:
a. A scan
b. B scan
c. C scan
d. Orthogonal view
Q. An ultrasonic display which shows a cross section of the test piece and any flawswhich are found are called:
a. A scan
b. B scan
c. C scan
d. Orthogonal view
Q. An ultrasonic display which shows echo locations and amplitude is called:
a. A scan
b. B scan
c. C scan
d. Orthogonal view
Q. An advantage of using lower frequencies during ultrasonic testing is that:
a. Near surface resolution is improved
b. Sensitivity to small discontinuities is improved
c. Beam spread is reduced
d. Sensitivity to unfavourable oriented flaws is improved
Q. A method of compensating for the ‘dead zone’ or near surface resolution problems isto:
a. Inspect all areas of the test piece twice to assure repeatability of indications
b. Re-inspect from the opposite side of the test piece if geometry permits
c. Re-inspect using a higher energy pulse
d. Re-inspect using a higher frequency transducer that does not have a ‘dead
Q. When testing a test piece with parallel front and back surfaces, no back wall echo canbe obtained. Which of the following actions might enable you to obtain a back wall echo?
a. Use a wetter transducer
b. Use a lower frequency transducer
c. Use a transducer with a narrower bandwidth
d. Use a higher frequency transducer
Q. Materials which can readily be inspected with frequencies of 1 to 5 MHz are:
a. Steel, cast iron and concrete
b. Titanium, wood and aluminium
c. Magnesium, titanium and steel
d. All of the above
Q. When variations are noticed in the front surface reflection, the test piece should beinspected for possible near surface discontinuities by:
a. Using a lower frequency transducer
b. Using a higher pulse energy
c. Inspecting from the opposite side
d. Calibrating on a smaller diameter flat bottom hole