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ASNT Level 3 Study Questions
and Answers 2024/2025
In general, shear waves are more sensitive to small discontinuities than longitudinal
waves for a given frequency and in a given material because:
a. the wavelength of shear waves is shorter than the wavelength of longitudinal
waves. b. shear waves are not as easily dispersed in the material.
c. the direction of particle vibration for shear waves is more sensitive to
discontinuities. d. the wavelength of shear waves is longer than the wavelength
of longitudinal waves. - ANSWER-
Common sources of neutrons for neutron radiography
are: a. electron linear accelerators.
b. isotopes of cobalt (e.g., Co-
60). c. nuclear reactors.
d. betatrons. - ANSWER-
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Which of the following statements is true concerning the usage of SNT-
TC-IA? a. SNT-TC-1A is intended for use by a limited set of industrial
segments.
b. SNT-TC-1A was generated to satisfy the specification requirements of
ASME. c. SNT-TC-1A was last revised in 1988.
d. SNT-TC-1A is not intended to be used as a strict specification. - ANSWER-d.
SNT- TC-1A is not intended to be used as a strict specification.
The SNT-TC-1A Interpretation Panel will respond to inquires about SNT-TC-1A.
The inquiry must be:
a. written and stated in general terms.
b. written including specific details of the case, e.g., names, places, dates, and other pertinent
facts.
c. considered by the ASNT Board of Directors if it involves decisions that would place ASNT in a
position between buyer and seller.
d. ruled upon the Technical and Education Council of ASNT befor the SNT-TC-1A Interpretation
Panel prepares a response. - ANSWER-a. written and stated in general terms.
Which of the following statements is true?
a. ASNT has been providing certification examinations for Level III personnel since the late 1960s.
b. SNT-TC-1A was first published in the late 1960s.
c. SNT-TC-1A requires that Level III personnel be qualified and certified by ASNT.
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d. SNT-TC-1A was developed to satisfy requirements for NDT personnel qualification and
certification set fourth in pats of the ASME Boiler and Pressure Vessel Code. - ANSWER-b. SNT-TC-
1A was first published in the late 1960s.
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With regard to the training of NDT personnel, the employer:
a. must conduct all of the training on the premises.
b. may engage an outside service who must conduct the training on the employers premises.
c. should not conduct the training, being too close to the company's problems.
d. may engage an outside service but is, nevertheless, responsible for the certification of the
company's NDT personnel. - ANSWER-d. may engage an outside service but is, nevertheless,
responsible for the certification of the company's NDT personnel.
SNT-TC-1A is intended as a guideline for employers:
a. to establish their own written practice that must be used as a strict
specification. b. to establish their own written practice for the qualification and
certification of their NDT personnel.
c. to define training, course requirements for contractors performing outside training
services.
d. who are corporate members of ASNT. - ANSWER-b. to establish their own written
practice for the qualification and certification of their NDT personnel.
The following is a statement in SNT-TC-1A: "It is recognized that these guidelines
may not be appropriate for certain employers, circumstances, and/or applications."
What should be done if the guidelines are not appropriate?
a. The employer must change its operations to conform the guidelines.
b. The employer must seek relief from ASNT for inappropriate applications.
ASNT Level 3 Study Questions
and Answers 2024/2025
In general, shear waves are more sensitive to small discontinuities than longitudinal
waves for a given frequency and in a given material because:
a. the wavelength of shear waves is shorter than the wavelength of longitudinal
waves. b. shear waves are not as easily dispersed in the material.
c. the direction of particle vibration for shear waves is more sensitive to
discontinuities. d. the wavelength of shear waves is longer than the wavelength
of longitudinal waves. - ANSWER-
Common sources of neutrons for neutron radiography
are: a. electron linear accelerators.
b. isotopes of cobalt (e.g., Co-
60). c. nuclear reactors.
d. betatrons. - ANSWER-
, 2
Which of the following statements is true concerning the usage of SNT-
TC-IA? a. SNT-TC-1A is intended for use by a limited set of industrial
segments.
b. SNT-TC-1A was generated to satisfy the specification requirements of
ASME. c. SNT-TC-1A was last revised in 1988.
d. SNT-TC-1A is not intended to be used as a strict specification. - ANSWER-d.
SNT- TC-1A is not intended to be used as a strict specification.
The SNT-TC-1A Interpretation Panel will respond to inquires about SNT-TC-1A.
The inquiry must be:
a. written and stated in general terms.
b. written including specific details of the case, e.g., names, places, dates, and other pertinent
facts.
c. considered by the ASNT Board of Directors if it involves decisions that would place ASNT in a
position between buyer and seller.
d. ruled upon the Technical and Education Council of ASNT befor the SNT-TC-1A Interpretation
Panel prepares a response. - ANSWER-a. written and stated in general terms.
Which of the following statements is true?
a. ASNT has been providing certification examinations for Level III personnel since the late 1960s.
b. SNT-TC-1A was first published in the late 1960s.
c. SNT-TC-1A requires that Level III personnel be qualified and certified by ASNT.
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d. SNT-TC-1A was developed to satisfy requirements for NDT personnel qualification and
certification set fourth in pats of the ASME Boiler and Pressure Vessel Code. - ANSWER-b. SNT-TC-
1A was first published in the late 1960s.
, 4
With regard to the training of NDT personnel, the employer:
a. must conduct all of the training on the premises.
b. may engage an outside service who must conduct the training on the employers premises.
c. should not conduct the training, being too close to the company's problems.
d. may engage an outside service but is, nevertheless, responsible for the certification of the
company's NDT personnel. - ANSWER-d. may engage an outside service but is, nevertheless,
responsible for the certification of the company's NDT personnel.
SNT-TC-1A is intended as a guideline for employers:
a. to establish their own written practice that must be used as a strict
specification. b. to establish their own written practice for the qualification and
certification of their NDT personnel.
c. to define training, course requirements for contractors performing outside training
services.
d. who are corporate members of ASNT. - ANSWER-b. to establish their own written
practice for the qualification and certification of their NDT personnel.
The following is a statement in SNT-TC-1A: "It is recognized that these guidelines
may not be appropriate for certain employers, circumstances, and/or applications."
What should be done if the guidelines are not appropriate?
a. The employer must change its operations to conform the guidelines.
b. The employer must seek relief from ASNT for inappropriate applications.
