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 transmit the electrons origginating in the sensor unit of the borescope

c. polished glass tubes

d. clad glass strands

403. the primary function in radiographic interpretation is to find

a. all fissures associated with the part

b. discontinuities which adversely affect use of the part

c. structural and mechanical weaknesses

d. indications which exceed minimum penetrameter hole sizes

404. the experience records required to be maintained in accordance with CP-189

a. need only address initial certification requirements

b. must be updated monthly

c. must verity initial and continuing experience by method and by hour

d. do not require a minimum number if hours worked in a specific method

405. if the radiation intensity 25 feet from an Ir-192 radiation source is 200mR/hr what intensity

a. 2mR/hr b. 5.55 mR/hr c. 25 mR/hr d. 33.33 mR/hr

406. which of the following is true regarding the investment or _ casting process?

a. tolerances are typical plus or minus 1/16"

b. pre entrant cannot be produced during casting and must be machined later

c. large casting up to 8 feet in diometer are easily produced

d. in many cose to lerances are sufficient without further machining

407. in the forging processing excess metal that must be removed by secondary operation is called

a. dross b. flakes c. flash d. bursts

408. a hall-effect meter is used to measure

a. radiation level

b. flux density

c. ultrasonic frequency

d. the rate of acoustic emissions

409. The basic levels of qualification recognized by CP-189 are?

a. Trainee, Level I, Level II, Level III, NDT Instructor

b. Level I, Level II, Level III

c. Level I, Level II

410. in evaluating qualification in accordance with SNT-TC-1A you find that an individual has limited familiarity

with the method in which certification is shought. What action should you take?

a. issue a limited certification

b. require additional training

c. require additional experience

d. follow employers written practice

411. post-emulsitied penetrant processes require for penetrant removal

a. no additional emulsifier

b. separate emulsifier

c. addition of solvents

d. no water

412. a new employer with no prior NDT experience has successfully completed a 6 hour liquid penetrant training

program they also have documented 230 hours of work experience in PT. this candidate for certification

a. may be certified as PT level I maximum

b. may be certified as PT level II maximum

c. may be certified as PT level level III

d. cannot be certified because he/she does not fulfill the requirements

413. a surface condition produced during casting of an ingot. Caused by hot molten metal splashing on the

mold surface is called a

a. bloom b. plping c. blowhole d. scab

414. in accordance with SNT-TC-1A an individual may be recertified to the former level of certification after

termination of employment and upon employment with a new employer without additional training provided

the individual

a. holds a valid ASNT NDT level III certificate

b. is being recertified within six month of termination

c. has been certified as at least a level II or level III b the previous employer

d. has been certified as a level III by their previous employer

415. Compliance to CP-189 is mandatory when?

a. the material being tested is for a U.S. Air Force contract

b. the inspection is being performed at a goverment-controlled facility

c. it has been specified by the customer

416. what is the maximum recommend kV that should be used in the pinhole projection method of measufing

focal spot size?

a. 300 kV b. 600 kV c. 900 kV d. 1200 kV

417. the proportional relationship between measured gamma-ray tuteusity and number of curies does not hole

for large physical source sizes with low specific activities because of

a. self-absorption

b. build up

c. internal decay

d. fission losses

418. which of the following cannot be determined by gaging with an appropriate radiation source and detector?

a. material density

b. material thickness

c. hydrogen content

d. surface strain

419. A blooming mill is a

a. machine for cold-rolling to produce sheet metal

b. machine for hot-rolling of ingots

c. machine for hammer-forging in closed dies

d. machine for press-forging in open dies

420. CP-189 contains the definition of an "NDT instructor" according to SNT-TC-1A, The NDT instructor is

a. defined but dose not have to be qualified and designated as in CP-189

b. defined and must be qualified and designated as in CP-189

c. not defined

d. not defined and cannot be used in the employer's written practice

 

 

 

 

 

 

 

 

 

 

ANSWER

401	402	403	404	405	406	407	408	409	410
B	A	B	C	B	D	C	B	A	A
411	412	413	414	415	416	417	418	419	420
B	B	D	B	C	A	A	D	B	C