A+ Graded Paper
ASNT Level III Final Certification 2025 - Questions
(485+) with 100% Correct Solutions
Questions and Mark scheme
Version: Final 1.1
,CH4 (AE). 3 - The total energy loss of a propagating wave is called: - ✔✔d. attenuation
CH4 (AE). 4 - The kaiser effect refers to: - ✔✔c. the behavior where emission from a source will not occur until the
previous load is exceeded
CH4 (AE). 5 - The felicity effect is useful in evaluating: - ✔✔a. fiber-reinforced plastic components
CH4 (AE). 6 - The kaiser effect is useful in distinguishing: - ✔✔c. mechanical noise from growing discontinuities
CH4 (AE). 7 - The term "counts" refers to the: - ✔✔a. number of times a signal crosses a preset threshold
CH4 (AE). 8 - The acoustic emission signal amplitude is related to: - ✔✔b. the intensity of the source
CH4 (AE). 9 - Threshold settings are determined by the: - ✔✔d. background noise level
CH4 (AE). 10 - Background noise can be reduced by: - ✔✔a. electronic filtering
CH4 (ET). 1 - Eddy currents are circulating electrical currents induced in conductive materials by: - ✔✔c. an altering
magnetic field
CH4 (ET). 2 - The method used to generate eddy currents in a test specimen by means of a coil can most closely be
compared with the action of a: - ✔✔a. transformer
CH4 (ET). 3 - Electromagnetic testing relies on the principle of: - ✔✔b. electromagnetic induction
CH4 (ET). 4 - When the electrical current in an eddy current coil reverses direction, the: - ✔✔c. direction of the eddy
currents in the test part also reverses
CH4 (ET). 5 - In order to generate measurable eddy currents in a test specimen, the specimen must be: - ✔✔a. an
electrical conductor
,CH4 (ET). 6 - The magnetic field generated by eddy currents induced in a test specimen: - ✔✔c. opposes the magnetic
field that induced the eddy currents
CH4 (ET). 7 - In electromagnetic testing, IACS is a recognized abbreviation for: - ✔✔d. International Annealed Copper
Standard
CH4 (ET). 8 - In electromagnetic testing, the specimen is coupled to the test coil by: - ✔✔c. the coil's electromagnetic
fields
CH4 (ET). 9 - The penetration of eddy currents in a conductive material is decreased when the: - ✔✔c. test frequency,
conductivity of the specimen, or permeability of the specimen is increased
CH4 (ET). 10 - At a fixed test frequency, in which of the following materials will the eddy current penetration be
greatest? - ✔✔d. Lead (7% IACS conductivity)
CH4 (ET). 11 - A term used to describe the effect observed due to a change in the coupling between a test specimen and
a flat probe coil when the distance of separation between them is varied is: - ✔✔d. liftoff
CH4 (ET). 12 - When testing with eddy currents, discontinuities will be most easily detected when the eddy currents are:
- ✔✔b. perpendicular to the major plane of the discontinuity
CH4 (ET). 13 - Which of the following discontinuities is easiest to detect with an electromagnetic test? (Assume that the
area of the discontinuity is equal in all four choices listed.) - ✔✔c. A radial crack that extends to the outer surface of a 51
mm (2 in.) diameter bar
CH4 (ET). 14 - A term used to define the timing relationships involved in alternating current signals is: - ✔✔b. phase
CH4 (ET). 15 - The impedance of a test coil can be represented by the vector sum of: - ✔✔a. inductive reactance and
resistance
CH1. 1 - Which of the following statements is true concerning the usage of SNT-TC-1A? - ✔✔D. SNT-TC-1A is not
intended to be used as a strict specification
CH1. 2 - The SNT-TC-1A Interpretation Panel will respond to inquiries about SNT-TC-1A. The inquiry muct be: - ✔✔A.
written and stated in general terms
, CH1. 3 - Which of the following statements is true? - ✔✔B. SNT-TC-1A was first published in the late 1960s
CH1. 4 - With regard to the training of NDT personnel, the employer: - ✔✔D. may engage an outside service but is,
nevertheless, responsible for the certification of the company's NDT personnel
CH1. 5 - SNT-TC-1A is intended as a guideline for employers: - ✔✔B. to establish their own written practice for the
qualification and certification of their NDT personnel
CH1. 6 - 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? -
✔✔C. The employer should review the detailed recommendations and modify them, as necessary, to meet its particular
needs
CH1. 7 - Which of the following statements is not true? - ✔✔D. A certifying agency is any organization used by an
employer in training NDT personnel
CH1. 8 - Who should be responsible to asses whether or not an individual should be qualified and certified who does not
perform NDT, but monitors and evaluates NDT? - ✔✔B. The individual's employer
CH1. 9 - To which of the following NDT methods is SNT-TC-1A currently not applicable? - ✔✔D. Holographic testing
CH1. 10 - ASNT intended that the recommendations of SNT-TC-1A be applied: - ✔✔a. with flexibility and reason
CH1. 11 - 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? - ✔✔c. The employer
CH1. 12 - Certification is: - ✔✔b. written testimony of qualification
CH1. 13 - Use of SNT-TC-1A is mandatory when: - ✔✔c. it has been specified by the customer
CH1. 14 - The basic levels of qualification recommended by SNT-TC-1A are: - ✔✔c. Level I, Level II, and Level III
CH1. 15 - Should personnel that operate ultrasonic digital thickness measurement equipment be qualified and certified?
- ✔✔d. Whether any NDT personnel should be qualified and certified depends solely upon the needs of the employer
and the requirements of the employer's customers or clientele
ASNT Level III Final Certification 2025 - Questions
(485+) with 100% Correct Solutions
Questions and Mark scheme
Version: Final 1.1
,CH4 (AE). 3 - The total energy loss of a propagating wave is called: - ✔✔d. attenuation
CH4 (AE). 4 - The kaiser effect refers to: - ✔✔c. the behavior where emission from a source will not occur until the
previous load is exceeded
CH4 (AE). 5 - The felicity effect is useful in evaluating: - ✔✔a. fiber-reinforced plastic components
CH4 (AE). 6 - The kaiser effect is useful in distinguishing: - ✔✔c. mechanical noise from growing discontinuities
CH4 (AE). 7 - The term "counts" refers to the: - ✔✔a. number of times a signal crosses a preset threshold
CH4 (AE). 8 - The acoustic emission signal amplitude is related to: - ✔✔b. the intensity of the source
CH4 (AE). 9 - Threshold settings are determined by the: - ✔✔d. background noise level
CH4 (AE). 10 - Background noise can be reduced by: - ✔✔a. electronic filtering
CH4 (ET). 1 - Eddy currents are circulating electrical currents induced in conductive materials by: - ✔✔c. an altering
magnetic field
CH4 (ET). 2 - The method used to generate eddy currents in a test specimen by means of a coil can most closely be
compared with the action of a: - ✔✔a. transformer
CH4 (ET). 3 - Electromagnetic testing relies on the principle of: - ✔✔b. electromagnetic induction
CH4 (ET). 4 - When the electrical current in an eddy current coil reverses direction, the: - ✔✔c. direction of the eddy
currents in the test part also reverses
CH4 (ET). 5 - In order to generate measurable eddy currents in a test specimen, the specimen must be: - ✔✔a. an
electrical conductor
,CH4 (ET). 6 - The magnetic field generated by eddy currents induced in a test specimen: - ✔✔c. opposes the magnetic
field that induced the eddy currents
CH4 (ET). 7 - In electromagnetic testing, IACS is a recognized abbreviation for: - ✔✔d. International Annealed Copper
Standard
CH4 (ET). 8 - In electromagnetic testing, the specimen is coupled to the test coil by: - ✔✔c. the coil's electromagnetic
fields
CH4 (ET). 9 - The penetration of eddy currents in a conductive material is decreased when the: - ✔✔c. test frequency,
conductivity of the specimen, or permeability of the specimen is increased
CH4 (ET). 10 - At a fixed test frequency, in which of the following materials will the eddy current penetration be
greatest? - ✔✔d. Lead (7% IACS conductivity)
CH4 (ET). 11 - A term used to describe the effect observed due to a change in the coupling between a test specimen and
a flat probe coil when the distance of separation between them is varied is: - ✔✔d. liftoff
CH4 (ET). 12 - When testing with eddy currents, discontinuities will be most easily detected when the eddy currents are:
- ✔✔b. perpendicular to the major plane of the discontinuity
CH4 (ET). 13 - Which of the following discontinuities is easiest to detect with an electromagnetic test? (Assume that the
area of the discontinuity is equal in all four choices listed.) - ✔✔c. A radial crack that extends to the outer surface of a 51
mm (2 in.) diameter bar
CH4 (ET). 14 - A term used to define the timing relationships involved in alternating current signals is: - ✔✔b. phase
CH4 (ET). 15 - The impedance of a test coil can be represented by the vector sum of: - ✔✔a. inductive reactance and
resistance
CH1. 1 - Which of the following statements is true concerning the usage of SNT-TC-1A? - ✔✔D. SNT-TC-1A is not
intended to be used as a strict specification
CH1. 2 - The SNT-TC-1A Interpretation Panel will respond to inquiries about SNT-TC-1A. The inquiry muct be: - ✔✔A.
written and stated in general terms
, CH1. 3 - Which of the following statements is true? - ✔✔B. SNT-TC-1A was first published in the late 1960s
CH1. 4 - With regard to the training of NDT personnel, the employer: - ✔✔D. may engage an outside service but is,
nevertheless, responsible for the certification of the company's NDT personnel
CH1. 5 - SNT-TC-1A is intended as a guideline for employers: - ✔✔B. to establish their own written practice for the
qualification and certification of their NDT personnel
CH1. 6 - 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? -
✔✔C. The employer should review the detailed recommendations and modify them, as necessary, to meet its particular
needs
CH1. 7 - Which of the following statements is not true? - ✔✔D. A certifying agency is any organization used by an
employer in training NDT personnel
CH1. 8 - Who should be responsible to asses whether or not an individual should be qualified and certified who does not
perform NDT, but monitors and evaluates NDT? - ✔✔B. The individual's employer
CH1. 9 - To which of the following NDT methods is SNT-TC-1A currently not applicable? - ✔✔D. Holographic testing
CH1. 10 - ASNT intended that the recommendations of SNT-TC-1A be applied: - ✔✔a. with flexibility and reason
CH1. 11 - 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? - ✔✔c. The employer
CH1. 12 - Certification is: - ✔✔b. written testimony of qualification
CH1. 13 - Use of SNT-TC-1A is mandatory when: - ✔✔c. it has been specified by the customer
CH1. 14 - The basic levels of qualification recommended by SNT-TC-1A are: - ✔✔c. Level I, Level II, and Level III
CH1. 15 - Should personnel that operate ultrasonic digital thickness measurement equipment be qualified and certified?
- ✔✔d. Whether any NDT personnel should be qualified and certified depends solely upon the needs of the employer
and the requirements of the employer's customers or clientele
