QUIZ) ASNT L3 BASIC 2

21. Weld spatter is caused by (spatter -> undercut)

a. arc blow, excessive current, wet electrodes

b. arc blow, excessive current, alternating current

c. low-hydrogen filler, reduced travel speed

d. low magnetic retention excessive current, wet electrodes

22. In the making of seamless or electric resistance welded (ERW) pipe or tubing the discontinuities are oriented

a. transverse to the pipe or tube axis

b. parallel to the pipe or tube axis

c. parallel to the maximum shear stress plane

d. perpendicular to the maximum shear stress plane

23. How does depth of field of a lens change as the magnification power of the lens change?

a. As magnification power increase, depth of field decrease

b. As magnification power increase, depth of field increase

c. depth of field is not affected by magnification power changes

d. depth of field depends on lens design, but is independent of the magnifying

24. SNT-TC-1A recommends that the NDT level III minimum requirement?

a. holds a four year degree and has not had at least level III NDT assignment

b. graduated with a four year engineering or science experience in NDT comparable

c. six years experience in NDT if the candidate did not

d. graduated with a two year degree from a vocational trainning hours for both Level I and level II

and experience

25. In general, which of the following modes of vibration would have the greatest penetranting power in a

coarse-grained material if the frequency of the waves is the same?

a. longitudinal

b. shear

c. transverse

26. Which of the following instruments provides a non-digital readout accurate to the fourth decimal place?

a. vernier caliper

b. vernier micrometer

c. vernier level protractor

d. 6" scale

27. Which of the following NDT method would be best to test for weld cracking on the ID of a large

steel vessel containing a hazardous liquid?

a. PT

b. RT

c. UT

d. VT

28. A as recommended in SNT-TC-1A, which of the following items do not have to be included in the

qualification records of certified?

a. personnel data as well as method and level of certification

b. evidence of satisfactory completion of examinations

c. statement indicating satisfactory completion of training

d. results of vision examinations for a past certification period

29. According to ASNT SNT-TC-1A NDT personnel may be re-examined and have their certificates

extended or revoked at what interval?

a. at the discretion ot the employer

b. annually at the anniversary of the issuance of their certification

c. upon the anniversary of their employment

d. every three years

30. In accordance with CP-189 a candidate for Level I or Level II certification is working in two methods

of NDT, minimum experience requirements must be met?

a. the candidate must meet the required minimum hours in each specificed method

b. the candidate must meet the required total hour in NDT for each method

c. the candidate must meet either the required minimum hours in each method or total hours in NDT

for both methods

d. the candidate must meet the required minimum hours in each method and the total hours in NDT

31. When an individual with an ASNT Level II certificate terminate their employment to accept

a position with another company their certification

a. is revoked by their employer

b. is revoked by ASNT

c. may be reissued by their employer

d. expires

32. In eddy current testing the depth of penetration will increase if the

a. frequency is increase

b. frequency is decrease

c. magnetic permeability is decrease

d. conductivity of material is increase

33. SNT-TC-1A is

a. a specific framework for minimum qualification and certification requirements

b. a minimum requirement, and the verb "must" is used throughout to emphasis minimum requirement

c. intended to be used as a strict specification

d. not intended to be used as a strict specification

34. A test used to determine the influence of notches on the fracture behavior of steel is know as

a. the root bent test

b. the cupping test

c. the charpy test

d. the reduced-section tensile test

35. Which of the processes listed below is used the most frequency to bond honeycomb cores to the outer sheets

a. adhesive bonding

b. diffusion bonding

c. brazion

d. friction welding

36. In accordance with the guidelines of SNT-TC-1A , all employer certifications of NDT personnel

shell be revoked when the employee

a. takes a leave of absence

b. is subcontracted to another company

c. voluntarily decide to leave the employer where certified

d. does not perform in an NDT method for (7) month

37. All of the following materials can be joined to carbon steel welding of brazing except

a. nickel alloys

b. aluminum

c. copper

d. cast iron

38. According to SNT-TC-IA, the employee's certification is revoked

a. six month after termination from company

b. upon termination

c. one year after termination

d. when the certification date is exceeded

39. Seams are a type of defect found in

a. aluminum ingots

b. magnesium die castings

c. large diameter titanium ingots

d. carbon steel billets

40. What happens when metals solidify in the casting process?

a. the inside solids first

b. the grain size becomes smaller as cooling continues

c. the direction of crystal growth is toward the hot zone

d. the first grains to from are long columnar-shaped grains called dendrites

 

 

 

 

 

answer

21	22	23	24	25	26	27	28	29	30
A	B	A	B	A	B	C	D	A	D
31	32	33	34	35	36	37	38	39	40
C	B	D	C	A	C	B	B	D	C