728x90 반응형 inspection/ASNT L353 QUIZ) ASNT L3 BASIC 2 21. Weld spatter is caused by (spatter -> undercut) a. arc blow, excessive current, wet electrodes b. arc blow, excessive current, alternating current c. low-hydrogen filler, reduced travel speed d. low magnetic retention excessive current, wet electrodes 22. In the making of seamless or electric resistance welded (ERW) pipe or tubing the discontinuities are oriented a. transverse to the pipe or.. 2020. 7. 23. QUIZ) ASNT L3 PT 1 1. Application of a lipohilic emulsifier is accomplished by A. A nozzle that provides a coarse spray B. A nozzle that provides a fine, pressure spray C. Dipping the part into an open tank D. By brushing the emulsifier on to the part with a coarse spray 2. Which of the following is not an effective method for removing grease from the surface of a part to be penetrant tested? A. Alkaline cleaner B.. 2020. 7. 22. QUIZ) ASNT L3 MT 5 81. The coercive force the magnetic material whose hystersis loop is shown in figure.4 is given by the A. amplitude of flux density B at point 8 B. amplitude of flux density B at point E C. product of B and H at point B D. negative value of H at point C 82. On the initial magnetization curve the maximum permeability of the magnetic material is achivevd A. at the point of maximum slope on curve o.. 2020. 7. 21. QUIZ) ASNT L3 RT 1 1. An unacceptable flaw has been identified in a 3/4 inch thick plate. Concerning stereoradiography Which of the following is true? A. A single radiograph is exposed using two radiation source positioned parallel to the film B. The relationship between the two required exposures is equal to the papillary C. The movement of the source between flaw height (distance from part surface) is exponentia.. 2020. 7. 21. QUIZ) ASNT L3 BASIC 1 01. The term "non-relevant" is used to describe types of indications. Which of the following signal sources would often fall into this category during a penetrant examination? a. indications due to part geometry of part design configurations b. nonmagnetic indications that appear as circular patterns c. multiple indications that form in small pockets on the open surface d. non-linear indications.. 2020. 7. 21. QUIZ) ASNT L3 UT 1 1. Which of the following is not basic information available through ultrasonic examination A. The location of the discontinuity in the weld cross section can be estimated B. The orientation, and to some degree, the shape of the discontinuity can be determined by comparing signal size when tested from different directions C. The returned signal amplitude is a measure of the height of the discont.. 2020. 7. 21. QUIZ) ASNT L3 BASIC 24 461. Nondestructive test methods may be further subdivide into disciplines or techniques to meet specific employer needs. These certifications are consider_____________ a. provisional certifications b. limited certifications c. not allowed under SNT-TC-1A d. for information only 462. One way to calibrate an ultrasonic system is to adjust the sensitivity of the response from a series of flat bott.. 2020. 7. 9. QUIZ) ASNT L3 BASIC 23 441. according to ASNT SNT-TC-1A who shall be responsible for the administration and grading of exam for level I, II or other level III personnel? a. The employer b. an NDT level III c. the outside agency level III d. the regional ASNT level III 442. Credit for work experience in ECT must be at least ______ of the minimum NDT work experience required for level I or II qualification a. 10 % b. 50.. 2020. 7. 9. QUIZ) ASNT L3 BASIC 22 421. an NDT personnel qualification and certification written practice in accordance with SNT-TC-1A, must describe the a. background and title of the designated certifying agent of the employer b. procedures that are used in evaluating materials and component in accordance with specific code standard and specification c. responsibility of each level of certification for determining the acceptabi.. 2020. 7. 9. QUIZ) ASNT L3 BASIC 21 401. electrical discharge machining is useful in nondestructive testing because it can prodece a. fine surface finishes b. small hole’s and notches c. sharp reductions in cross section area d. natural flows for precision calibration blocks 402. an industrial fiber-optic borescope will have which of the following component? a. rigid tubes joining the lenses in the system b. copper wires to transm.. 2020. 7. 9. 이전 1 2 3 4 ··· 6 다음 728x90 반응형
