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. surface treatment of aluminum alloys

d. coated plastics

304. a heat treatment process used to relieve residual stresses in metals is called

a. tempering b. carburization c. hardening d. annealing

305. strain gauge are commonly utilized to determine the amount of

a. regional compression

b. local deformation

c. spot toughness

d. case hardness

306. which of the following flaws can be found in extrusions?

a. shrinkage b. chevrons c. lamination d. flake

307. which material property is determined by a charpy test?

a. energy absorbing (다른걸루 바꿈) b. hardness c. tensile strength d. production of area

308. method of NDT would most likely be used to measure the case-depth on a case-hardneed steel part?

a. MT b. UT c. ET d. RT

309. seeing in a most engineering material amount beyond their elastic limit normally produce

a. plastic flow b. fracture c. fatigue d. crack

310. AET makes use of the kaiser effect. This phenomenon is best explained as the

a. felicity integration during the final loading in an AET

b. proportional increase in AE as load increases to yield

c. absence of AE until previously encountered load levels are exceeded

d. random noise generated due to high mechanical back ground noise

311. the source of AE energy is

a. the elastic wave put into the test object by the pulser

b. the elastic produced when the material deforms

c. the mutual attraction of crack surfaces

d. the elastic stress field in the material

312. which of the following is a leak testing tracer gas that can produce ozone-damaging chloro-fluoro-carbons?

a. helium b. sulfur hexafluoride c. refrigetant 12 d. nitrous oxide

313. a helium mass spectrometer leak detector is used

a. exclusively for leak location test techniques

b. only for leak testing in the vacuum mode

c. for both leak location and leakage measurement techniques

d. only in conjunction with residual gas analyzer(RGA) readouts

314. which one of the following is commonly used with the leak testing and acoustic emission method but is not

used with other NDT methods?

a. a electronic signaling device

b. a calibration standard

c. a sensor of probe

d. a differential pressure gauge

315. lipophilic emulsifiers should be checked regularly for

a. color b. water contamination c. density d. viscosity

316. a level III is in the process of purchasing fluorescent penetrant material which penetrant brightness categories

below is not customary?

a. low b. regular c. high d. ultralight

317. what is the proper environment for interpreting the results of a fluorescent penetrant examination?

a. white light in darkened area

b. black light in a normally-lighted area

c. ultraviolet light in darkened area

d. light -intensity ultraviolet light in a normally-lighted area

318. what test would be used on a PT dip tank containing hydrophilic emulsifier to assure proper concentration?

a. flash point

b. wet ability

c. water contamination (fluoresouse)

d. referent meter

319. which of the following MT techniques is considered indirect?

a. prod b. yoke c. head shot d. wet fluorescent

320. which MT technique would provide the best sensitivity for detection of discontinuities lying below the surface?

a. half wave direct current with dry particle

b. alternating current with dry particle

c. half wave direct current with wet particle

d. three phase full wave direct current with wet particle

 

 

 

 

 

 

 

 

 

ANSWER

 

 

 

301	302	303	304	305	306	307	308	309	310
B	C	C	D	B	B	A	C	A	C
311	312	313	314	315	316	317	318	319	320
B	C	C	D	B	D	C	C	B	A