728x90 반응형 분류 전체보기410 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. QUIZ) ASNT L3 BASIC 20 381. the welds of a very large comples container must be leak tested both sides of the welded joint are accessible the container will operate at pressures as high as 15 psig and must not leak which leak testing technique would be the most economical test that is sufficiently sensitive to assure the container will not leak? a. through wall penetrant technique b. bubble vacuum box technique c. pre.. 2020. 7. 9. QUIZ) ASNT L3 BASIC 19 361. an inherent defect that are thin flat discontinuity found in plate or strip and are a result of gas inclusion or pipe in the original ingot is a. inclusion b. pipes c. dross d. lamination 362. the highest sensitivity of a hail generator is obtained when the direction of the magnetic field in relation to the largest surface of the hall probe is a. parallel b. at an angle of 45 degrees c. at .. 2020. 7. 9. QUIZ) ASNT L3 BASIC 18 341. Eddy current testing of a material cannot a. measure to conductivity b. detect small near-surface discontinuities c. measure its ductility d. measure its magnetic permeability 342. which of the following properties of Al alloys is most affected by the presence of geometric stress riser? a. ductility b. corrosion resistance c. conductivity d. endurance limits 343. which of the following weld.. 2020. 7. 9. QUIZ) ASNT L3 BASIC 17 321. in a direct current magnetic particle test of a 1" thick carbon steel weld using prods 5" part what minimum current will be needed? a. 50 ampere b. 150 ampere c. 350 ampere d. 500 ampere 322. the general method of producing X-rays involves the sudden deceleration of high velocity electrons in a solid body called a a. focus cup b. target c. filament d. cathode 323. the penetrating ability of.. 2020. 7. 9. QUIZ) ASNT L3 BASIC 16 301. monel and inconel are a. magnesium alloys b. nickel alloys c. beryllium d. tungsten alloys 302. the acronym EDM refers to a. electrolytic dipolar machining b. energy diatomic mixture c. electrolytic discharge machining d. electrochemical machining 303. which of the following is the term "anodizing" associated a. surface treatment of stainless steel alloys b. metal surface cleaning c. surfac.. 2020. 7. 9. QUIZ) ASNT L3 BASIC 15 281. eddy current testing of a material consert? a. measure its conductivity b. detect small, near surface discontinuity c. measure its ductility d. measure its magnetic permeability 282. in angle beam ultrasonic testing of plate the defect most probably undetectable would be a. cracks which are perpendicular to the sound-wave b. inclusions which are randomly oriented c. cracks which are paralle.. 2020. 7. 9. QUIZ) ASNT L3 BASIC 14 261. which of the following is not a property of magnetic lines of force? a. they form closed loops which do not cross b. the density increases with increasing distance from the poles of a permanent magnet c. they are considered to have direction d. they seek paths of least magnets resistance of least reluctance 262. surrounding an electromagnet the magnets field is strongest a. immediately afte.. 2020. 7. 9. 이전 1 ··· 33 34 35 36 37 38 39 ··· 41 다음 728x90 반응형