728x90 반응형 inspection/ASNT L353 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. QUIZ) ASNT L3 BASIC 13 241. Which of the following is an advantage of fluorescent penetrants over visible dye penetrants? a. the inspection can be carryed out in a well-lighted area b. small indications are more easily seen c. can be used where contact with water is objectionable d. less sensitive to contamination of discontinuities 242. Reference standards used for eddy current testing a. must contain artificial disc.. 2020. 7. 9. QUIZ) ASNT L3 BASIC 12 221. The method that can’t thest brazed joint? a. RT b. UT c. ECT or MT d. LT 222. The method to measure young modules? a. UT b. ECT c. MT d. RT 223. Fracture mechanics analysis is an established engineering analysis process which assumes that a. all components an flaw free at the time of manufacture b. all components an time flaw as a requirements for determining warranty c. the number of flaws.. 2020. 7. 9. QUIZ) ASNT L3 BASIC 11 201. Green sand casting molds include a. sand clay and water b. sand wax and solvent c. sand refractory metals and water d. sand carbon green clay 202. Small metal supports used to support and position cores become part of a casting by fusing with the molten metal. Such devices are called a. core hangers b. chills c. chaplets d. risers 203. for checking the wear or clearance of ball in steel val.. 2020. 7. 9. 이전 1 2 3 4 5 6 다음 728x90 반응형