728x90 반응형 inspection202 QUIZ) ASNT L3 UT 9 160. testing is usually accomplished by A. a crystal generating a face-shear type of energy B. angulation of the transducer above the first critical angle, but below second critical angle C. a transverse length expansion crystal D. a crystal with a thickness shear type of ~~~ 161. In the phased array technique, the effect produced when one transducer pulses: then after a brief delay a second tra.. 2020. 6. 24. QUIZ) ASNT L3 UT 8 141. velocity is A. a vector of phase propagation B. a vector representing angular phase preparation C. speed of propagation D. varying with grain size 142. Counter bores close to the weld can produce signals that may be interpreted as A. Back wall reflection of the base metal surface B. lamination in the base metal C. lack of fusion / penetration D. weld face reinforcement 143. When calibration.. 2020. 6. 24. QUIZ) ASNT L3 UT 7 121. An application appropriate for wall thichness measurement near surface A. focused angle probe B. standard single crystal probe C. TR probes D. high frequency vertical probe 122. Inspection of oil rings is prescribed in codes written by A. AWS B. ASTM C. ASME D. Nuclear Regulatory Committee 123. A circular disk flay much smaller than the wave length A. is likely to miss detection B. will ref.. 2020. 6. 24. QUIZ) ASNT L3 UT6 101. The most common discontinuities found in castings are oriented completely at random. Which of the following statements if true concerning ultrasonic examination of casting? A. Shear wave tests in two directions 90 degrees to each other is recommended, when possible B. Compression wave ultrasonic tests in one direction is recommended C. Calibration is usually based on the response from drill.. 2020. 6. 24. QUIZ) ASNT L3 UT 5 81. An effective and commonly used technique for measuring the through wall depth of a discontinuity in tubular products is A. a narrow focus shear wave transducer/wedge combination B. a highly dampened pitch-catch shear wave transducer/wedge combination C. a tandom pitch-catch shear wave transducer/wedge combination D. a multi-mode transducer/wedge shear/longitudinal transducer/wedge combinatio.. 2020. 6. 24. QUIZ) ASNT L3 UT 4 61. A broad-based indication that tends to be consistent, as the search unit is moved along a contoured surface could indicate A. the porosity B. large grain structure C. an intermitent crack D. a false indication 62. Which of the methods listed below would give the best ultrasonic response to typics found in large rectangular aluminum or steel ingots? (at normal temperature) A. contact method u.. 2020. 6. 24. QUIZ) ASNT L3 UT 3 41. Regardless of the material property being sought, the ultrasonic determinations are A. velocity and attenuation B. attenuation vs scatter C. beam spread and velocity D. velocity and scatter 42. An A-scan or B-scan presentation in which an initial part of the time scale is not displayed if called A. distance amplitude correction B. initial pulse C. contact testing D. delayed sweep 43. When co.. 2020. 6. 24. QUIZ) ASNT L3 UT 2 21. In the below, how much surface distance from point B would be necessary to place the exit point of the transducer to obtain the 8/8 normal position at point B be using a 60 degree angle? A. 4.92" B. 5.92" C. 6.92" D. 7.02" 22. The best way to determine the weld centerline on installed piping with an inaccessible inside diameter (I.D), is to A. check the as-design drawings B. review the detai.. 2020. 6. 24. BASIC differences between SNT-TC-1A, CP-189 (비교)5 SNT-TC-1A CP-189 10.2 NDT Levels Ⅰand Ⅱ ① All Level Ⅰ, Ⅱ and Ⅲ written examinations should be closed book except that necessary data, such as graphs, tables, specifications, procedures, codes, etc., may be provided with or in the examination. 모든 Level Ⅰ, Ⅱ와 Ⅲ의 필기시험은 시험에서 제공되어 질지도 모르는 그래프, tables, 시방서, 절차서, 코드 등과 같은 필요한 data를 제외한 서적을 볼 수 없다 ② All questions used for Level Ⅰ and Level Ⅱ examination.. 2020. 6. 19. job/Quality-Inspector https://au.jora.com/job/Quality-Inspector-1c4554aedc9863ce7776355ce313bad1 2020. 6. 17. 이전 1 ··· 15 16 17 18 19 20 21 다음 728x90 반응형