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 an angle of 30 or 60 degrees d. perpendicular

363. plastic flow occurring below recrystallization temperature is called

a. work hardening b. modulus of elasticity

c. cold working d. ultimate strength

364. what does ECM mean?

a. electrodynamic machining b. electrical conductive materials

c. explosive conventional d. electrochemical machining

365. which of the following tests utilize a pendulum to break a specimen that is notched and supported on both

ends, with the result of measuring energy absorption?

a. creep test b. charpy test c. fatigue test d. transverse rupture test

366. an unshielded 15 curie radioisotope source is being used 20 feet from a barrier warning against unauthorized

entry. The source intensity is 5.9 r/hr/c at 1 foot. What does rate could be received by personnel at the barrier?

a. 221 mr/hr

b. 2.21 r/hr

c. 442 mr/hr

d. 4.42 r/hr

367. according to SNT-TC-1A experience of an NDT person is defined as

a. work activity accomplished in specific related NDT methods a under the direct supervision of a level III

b. time spent in organized training programs conducted by the employer's level III or designer

c. time spent under the direction of qualified supervision

d. work in a specific NDT method under the direction of qualified supervision

368. the highest quality steel is made in which of the following types of furnaces?

a. electric furnace

b. basic oxygen furnace

c. blast furnace

d. reduction mert furnace

369. when metals are cold worked to produce plastic deformation they become

a. annealed b. austenized c. harder d. more ductile

370. the current required for circular magnetic of a carbon steel pipe is proportional to the

a. wall thickness

b. pipe diameter

c. pipe length

d. L/D ratio of the pipe

371. according to SNT-TC-1A a written practice is established by and details the requirements for

qualification and certification of their employee's

a. the employer

b. the employers NDT level III

c. the employers outside agency level llI

d. an NDT level III

372. high chromium(18%) stainless steels are best known for their

a. harderability by normal steel heat treatment

b. high carbon content

c. high temperature applications

d. inexpensive cast

373. which of the following statements is not an attribute of single phase half wave direct current?

a. the penetrating power is cimparable to that of single phase full wave direct current

b. half wave current has a flux density of zero at the center of a test object

c. half wave current used to magnetize an object is easily demagnetized using an alternating current field

d. the pulsing effect of the rectified wave produces maximum mobility for the magnetic particles

374. which of the following weld discontinuities can typically be found by visual examination to lieu of volumetric

exams?

a. undercut

b. nonmetallic inclusions

c. lack of side wall fusion

d. under bead cracking

375. a part coated with water soluble cutting oil must be cleaned before NDT which of the following would be

the most effective cleaning agents?

a. detergent and water

b. naptha

c. acetone

d. ethyl alcohol

376. Die casting & permanent mold casting ~~ difference?

a. lighter alloys such as Al cannot be cast in permanent molds

b. the permanent mold process is limited thickness over 0.015'

c. the mold in the die cast process is destroyed after use

d. pressure is applied to the liquid mein the die-cast process

377. you have measured the finish (surface waviness and roughness) of a machined part the values measured are

greater than the specification allows. Additional measurements are taken in a direction 90 degrees to the

first measurements. These values are less than the first values. What is the probable cause of this difference?

a. the machining tool sastained wear during the first cut and caused chather during the second cut

b. one set of measurements was taken with the lay of the surface and the other was taken 90 degrees to the lay

c. the machined part was plate material and surface crientation is the direction rolling

d. the most probable cause is operator error as there should be no difference in the two measurement direction

378. in accordance with SNT-TC-1A certification is defined as indicating that a person has

a. documented training and experience in a method

b. written testimony verifying their qualification in a method

c. been qualified in a method for a minimum period of one year

d. skills and knowledge adequate for a test method

379. in accordance with CP-189 an individual's certification in a method shall be suspended by the employer

it the individual has not performed the duties in that method during a consecutive twelle(12) month period

in SNT-TC-1A suspension is

a. defined the same as in CP-189

b. defined as not having performed the duties during a period of more than six consecutive months

c. defined the same as revocation is defined in CP-189

d. to be addressed in the employer's written practice

380. what change in a SMAW welding technique will increase the weld penetration in a V-groove butt weld?

a. increase travel speed which will decrease the deposit weld temperature

b. decrease root face

c. coat the electrode

d. decrease the travel speed which will increase the deposit weld temperature(weld hotter)

 

 

 

 

 

 

 

ANSWER

361	362	363	364	365	366	367	368	369	370
D	D	C	D	B	A	D	A	C	B
371	372	373	374	375	376	377	378	379	380
A	C	C	A	A	D	B	B	D	D