ASNT Level 3 Study Questions – Basic question and answer 2023 Update

ASNT Level 3 Study Questions – Basic question and answer 2023 UpdateASNT Level 3 Study Questions – Basic question and answer 2023 Update 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. Common sources of neutrons for neutron radiography are: a. electron linear accelerators. b. isotopes of cobalt (e.g., Co-60). c. nuclear reactors. 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 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 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 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 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. 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.