ASNT Level 3 Study Questions and With Verified
Answers
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-
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.
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.
,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.
c. The employer should review the detailed recommendations and
modify them, as necessary, to meet its particular needs.
d. The employer shall submit an inquiry in writing directed to the
SNT-TC-1A Interpretation Panel. - ANSWER-c. The employer should
review the detailed recommendations and modify them, as
necessary, to meet its particular needs.
Which of the following statements is not true?
a. Certification is written testimony of qualification.
b. Qualification is the skill, training, and experience required for personnel
to properly perform the duties of a specific job.
c. The employer is the corporate or private entity that employs personnel
for wages or salary.
d. A certifying agency is any organization used by an employer in training
NDT personnel. - ANSWER-d. A certifying agency is any organization used by
an employer in training NDT personnel.
Who should be responsible to assess whether or not an individual should be
qualified and certified who does not perform NDT, but monitors and
evaluates NDT?
a. ASNT
b. The individual's
employer. c. A government
regulatory agency.
,d. The customer's auditor. - ANSWER-b. The individual's employer.
, To which of the following NDT methods is SNT-TC-1A currently not
applicable? a. Visual testing
b. Thermal/infrared
testing c. Acoustic
emission testing
d. Holographic testing. - ANSWER-d. Holographic testing.
ASNT intended that the recommendation of SNT-TC-1A be
applied: a. with flexibility and reason.
b. precisely as written.
c. as minimum requirements.
d. as maximum requirements. - ANSWER-a. with flexibility and reason.
Of the following, which is most appropriate to determine the needs to qualify
and certify personnel whose only NDT function is to operate digital thickness
equipment?
a. ASNT
b. ASME
c. The employer
d. The customer - ANSWER-c. The employer
Certification is:
a. the skill, training, and experience required for personnel to properly
perform the duties of a specific job.
b. written testimony of qualification.
c. intended to be conferred by an organization independent from the
employer.
d. intended to be conferred by an organization hired by the employer. -
ANSWER-b. written testimony of qualification.
Use of SNT-TC-1A is mandatory when:
a. the material being tested is for a U.S. Air Force
contract. b. the material being tested is for a U.S.
Navy contract.
c. it has been specified by the customer.
d. the material being tested is for a U.S. Army contract that requires
certification of NDT personnel. - ANSWER-c. it has been specified by the
customer.
The basic levels of qualification recommended by SNT-TC-
1A are: a. Trainee, Level I, Level II and Level III.
b. Trainee, Apprentice, Level I, Level II, and
Level III. c. Level I, Level II, and Level III.
d. Level I, Level II, Level III, and Instructor. - ANSWER-c. Level I, Level II, and
Level III.
Should personnel that operate ultrasonic digital thickness measurement
equipment be qualified and certified?
a. Yes, because SNT-TC-1A requires that all personnel performing NDT be
Answers
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-
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.
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.
,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.
c. The employer should review the detailed recommendations and
modify them, as necessary, to meet its particular needs.
d. The employer shall submit an inquiry in writing directed to the
SNT-TC-1A Interpretation Panel. - ANSWER-c. The employer should
review the detailed recommendations and modify them, as
necessary, to meet its particular needs.
Which of the following statements is not true?
a. Certification is written testimony of qualification.
b. Qualification is the skill, training, and experience required for personnel
to properly perform the duties of a specific job.
c. The employer is the corporate or private entity that employs personnel
for wages or salary.
d. A certifying agency is any organization used by an employer in training
NDT personnel. - ANSWER-d. A certifying agency is any organization used by
an employer in training NDT personnel.
Who should be responsible to assess whether or not an individual should be
qualified and certified who does not perform NDT, but monitors and
evaluates NDT?
a. ASNT
b. The individual's
employer. c. A government
regulatory agency.
,d. The customer's auditor. - ANSWER-b. The individual's employer.
, To which of the following NDT methods is SNT-TC-1A currently not
applicable? a. Visual testing
b. Thermal/infrared
testing c. Acoustic
emission testing
d. Holographic testing. - ANSWER-d. Holographic testing.
ASNT intended that the recommendation of SNT-TC-1A be
applied: a. with flexibility and reason.
b. precisely as written.
c. as minimum requirements.
d. as maximum requirements. - ANSWER-a. with flexibility and reason.
Of the following, which is most appropriate to determine the needs to qualify
and certify personnel whose only NDT function is to operate digital thickness
equipment?
a. ASNT
b. ASME
c. The employer
d. The customer - ANSWER-c. The employer
Certification is:
a. the skill, training, and experience required for personnel to properly
perform the duties of a specific job.
b. written testimony of qualification.
c. intended to be conferred by an organization independent from the
employer.
d. intended to be conferred by an organization hired by the employer. -
ANSWER-b. written testimony of qualification.
Use of SNT-TC-1A is mandatory when:
a. the material being tested is for a U.S. Air Force
contract. b. the material being tested is for a U.S.
Navy contract.
c. it has been specified by the customer.
d. the material being tested is for a U.S. Army contract that requires
certification of NDT personnel. - ANSWER-c. it has been specified by the
customer.
The basic levels of qualification recommended by SNT-TC-
1A are: a. Trainee, Level I, Level II and Level III.
b. Trainee, Apprentice, Level I, Level II, and
Level III. c. Level I, Level II, and Level III.
d. Level I, Level II, Level III, and Instructor. - ANSWER-c. Level I, Level II, and
Level III.
Should personnel that operate ultrasonic digital thickness measurement
equipment be qualified and certified?
a. Yes, because SNT-TC-1A requires that all personnel performing NDT be