QUIZ) ASNT L3 BASIC 9

161. When this flow of eddy currents very within a material the indication across the test coil will

a. remain unchanged

b. change as the flow of eddy currents change

c. completely disappear

162. The test coil ’s magnetic field will

a. not pass through carbon steels

b. not pass through nonconductive coatings

c. pass through nonconductive coatings

163. Certifications in accordance with SNT-TC-1A terminate

a. when the individual has not worked in the method in three months

b. after one year unless reexaminations are completed

c. when the individuals employment with the company terminates

d. when the individual is promoted to a higher position

164. A company's written procedure for training and qualification of NDT personnel should

a. be prepared by the DT director

b. be based on the guidelines of SNT-TC-1A

c. be based on the requirements of MIL-STD-271E

d. be submitted ASNT for approval

165. The responsibility of certification of NDT personnel tests with

a. the employer b. the test examiner

c. the ASNT d. the quality control director

166. which one of the following would be found in an ingot?

a. lamination b. seams c. laps d. non-metallic inclusions

167. A lamination is a discontinuities called

a. castings b. drawn bar stock c. weldments d. rolled plate and sheet

168. Forging laps might occur at

a. the die part line

b. the bottom of the die

c. the top of the die

169. Non-uniform distribution of the chemical elements in a metal alloy is describe as

a. segregation b. shrinkage c. conductivity d. microporosity

170. acceptance criteria in inspection by attributes is based on

a. mechanical tests

b. size and/or number of imperfections

c. use of go no-go gage

d. ability of the welder to repair defects

171. What phenomenon gives physical evidence that atoms are in motion in the solid sate?

a. diffusion b. surface tension c. awmic energy d. sliding friction

172. the term that best describes non-uniformity in the distribution of chemical element in a metal alloy is

a. segregation

b. ocnvolution

c. impurity

d. defect

173. Porosity in a steel weld bead as a discontinuity may be caused by

a. carbon and oxygen forming carbon monoxide gas

b. iron and oxygen forming iron oxide

c. aluminum and oxygen forming aluminum oxide

d. iron and carbon forming iron carbide

174. Which of the following is true?

a. all discontinuities are defect

b. defects that affect the product's usefulness are called discontinuities

c. discontinuities that affect the product's usefulness are called defects

d. all discontinuities are unacceptable

175. A narrow field of view produces

a. higher magnification and a greater depth of field

b. higher magnification and a shorter depth of field

c. less magnification and a greater depth of field

d. less magnification and a shorter depth of field

176. Visual examiners who perform visual exams using borescope and fiber scopes must be

a. color-blind

b. able to meet far-vision requirements

c. component in their use

d. ambidextrous

177. A test is described as destructive if

a. it destroys the rapport between welder and inspector

b. the object tested is destroyed or damaged when obtaining test results

c. the test piece become magnetic

d. it is performed on the construction site where special safety rules apply

178. A discontinuity that would be visible on a macro-etched cross section of a resistance weld is

a. slag b. incomplete fusion c. undercut d. overlap

179. Discontinuities that may be detected by careful visual examination of the edges of steel plate prior to welding

a. carbon segregation b. incomplete penetration

c. laminations d. microporosity

180. a discontnuity or imperfection becomes a defect when

a. it exceeds the limit imposed by acceptance standards

b. it is visible on the surface

c. it reaches 1/64 inch in length

d. hydrogen is present in the weld bead

 

 

 

 

ANSWER

 

161	162	163	164	165	166	167	168	169	170
B	B	C	B	A	D	D	A	A	B
171	172	173	174	175	176	177	178	179	180
A	A	A	C	B	C	B	B	C	A