QUIZ) ASNT L3 BASIC 1

01. The term "non-relevant" is used to describe types of indications. Which of the following signal sources

would often fall into this category during a penetrant examination?

a. indications due to part geometry of part design configurations

b. nonmagnetic indications that appear as circular patterns

c. multiple indications that form in small pockets on the open surface

d. non-linear indications at random locations across the specimen

02. Which of the follwing methods for applying non-aqueous is normally considered the most effective?

a. spraying

b. swabbing

c. brushing

d. dipping

03. Developer assists in the detection of penetrants retained in discontinuities by aiding the

a. post-cleaning process

b. emulsification process

c. bleed out process

d. drying process

04. insufficient restraint of a joint during welding would most likely result in

a. warpage

b. hydrogen cracks

c. lack of penetration

d. hot cracks

05. In a weld radiograph small irregularly shaped areas of lower film density might occur if the weld is made by

which of the following processes?

a. SMAW (GTAW, lower film density -> dark ~~)

b. PAW

c. SAW

d. ultrasonic welding(USW)

06. MT and PT are sometimes both used on the same part which of the following materials cannot be tested by

both methods?

a. ferritic stainless steel

b. martensite

c. austenite stainless steel

07. A change in dimensions directly proportional to an increase or decrease in applied force is called

a. plastic deformation

b. plastic flow

c. elastic deformation

d. fatigue

08. which of the following pairs of NDT method would be most useful for testing an aluminium die casting?

a. RT and PT

b. MT and RT

c. UT and PT

d. RT and UT

09. Below the proportional limit in metals, the ratio of stress corresponding with strain is a measure of

a. moh’s scale

b. elastic limit

c. modulus of elasticit

d. poisson's ratio

10. Contaminates river of salt water is retained for six weeks In a 304 S/S pipe line. When the water is removed

fine surface indications are visually observed on the inside of the pipe walls. When the pipe ID is examined

with liquid penetrant, the indications form fine crack-like patterns. These patterns. Under magnification have

the appearance of tiny worm holes. They are most likely the result of

a. microbiologically influenced corrosion

b. hydrogen induced cracking

c. rans granular stress-corrosion

d. acid corrosion

11. In the forging of C/S material discontinuities caused by improper mating of forging dies are referred to as

a. parting

b. forging laps

c. flakes

d. seams

12. Which principal alloying element produces the corrosion resistance of S/S

a. chromium

b. magnesium

c. phosphorus

d. silicon

13. In which combination of manufacturing methods do both methods sometimes produce laps

a. welding and casting

b. rolling and extruding

c. casting and powered metallurgy

d. rolling and plating

14. During solidification in the casting process, which of the following statements is true?

a. the smallest grain size is found at the surface

b. grain size remains constrant as the cooling continues

c. the grain size becomes smaller as cooling continues

d. the smallest grain size is found at the center of the cross-section

15. The combination of excessive restraint during welding and inadequate ductility can result in

a. carbide segregation

b. lamella tearing

c. warpage

d. fatigue cracks

16. An NDT level III technician observes a magnetic particle linear indication in the surface of a weld what

action is required first

a. to reject the part if a crack is suspected and notify the material review board

b. to evluate the indication to applicable acceptance criteria

c. interpret the type and relevance of the indication

d. to accept the part after a fracture mechanics analysis

17. Which type of casting process is capable of achieving the smoothest as-cast surface?

a. sand casting

b. die casting

c. investment casting

d. permanent mold casting

18. Superficial hardness testers are frequently used to determine

a. precipitation hardening

b. local deformation

c. spot toughness

d. case hardening

19. AE will

a. identify active crack propagation

b. detect side wall-lack of fusion

c. sort surface from subsurface indication

d. define the area amplitude of cluster porosity

20. For metals eddy current testing is best suited to defect

a. inclusions

b. pipe

c. lamination

d. fatigue crack

 

 

 

 

 

ANSWER

01	02	03	04	05	06	07	08	09	10
A	A	C	A	A	C	C	A	C	C
11	12	13	14	15	16	17	18	19	20
B	A	B	A	B	C	C	D	A	D