QUIZ) ASNT L3 BASIC 3

41. The velocity of sound in steel

a. is greater frequency increase

b. is lower than the velocity of sound in water

c. changes if mode conversion occurs

d. is dependent of the reflection factor

42. In an acoustic emission test, the sensor has a resonant frequency of 150 KHz and the speed of

sound is measured as 3000m/s. The wavelength at the sensor frequency is

a. 0.05mm

b. 20mm

c. 20M

d. 450M

43. A fiber optic borescope relies on which of the following physical characteristics to work?

a. light travels from one fiber through to an adjacent fiber

b. light is reflected at clad interfaces and stays within one fiber

c. images are inverted at each 90 degree bend in the fiber bundle

d. a virtual image is formed between the ocular and the retiria retina

44. An individual spent twelve hours completing a programmed instruction manual for liquid penetration

testing. These self-study hours

a. may not be used towards certification as level II

b. satisfy all requirements for certification as level II

c. may count towards certification if combiebd with classroom and / or practical instrument approved

by the level III

d. will satisfy the training hours for level II if documented and approved by the responsible NDT level III

45. One of the oldest, simplies and most versatile welding processes is

a. shielded metal arc welding

b. electron beam welding

c. gas tungsten arc welding

d. submerged arc welding

46. SNT-TC-1A provides recommendations on contracting an outside agency to provide

a. Level III services

b. Level II services

c. Level I services

d. NDT instructor services

47. Which of the following NDT method would be best for testing a load-bearing fiberglass boom

a. AE

b. ET

c. MT

d. RT

48. In which combination of manufacturing methods do both methods somethingn produce laps

a. welding and casting

b. casting and forging

c. rolling and casting

d. rolling and forging

49. During an infrared survey of a building for construction defects moisture condensation in noted on the

inside surface of the walls. Why will this interfere with the infrared survey?

a. moisture evaporation will cool the surface

b. evaporating moisture will raise the room temperature

c. wall temperature will rise during moisture condensation

d. it will not interfere

50. Lamination in steel sheet are oriented

a. perpendicular to the surface of the sheet

b. parallel with the principal surface of the sheet

c. transverse to the rolling direction of the sheet

d. at an angle to the principal surface with proportional to the rolling speed

51. A material which exhibit strain hardening by deformation or other machine measure ambient temperature

has been

a. cold worked

b. heat treated

c. annealed

d. stress relieved

52. A joining process above 450 degree C (840 degree F), which includes a filler metal the base metal is known as

a. soldering

b. welding

c. bonding

d. brazing

53. For individuals with less than a high school education the number of training hours recommended

by SNT-TC-1A

a. should increase by 25 percent

b. may be adjusted to reflect the candidates actual education level

c. may not be altered from those published

d. education is not part of the SNT-TC-1A

54. Recommended training course outlines and references for Level II and III personnel which may be

use as technical source material are contained in

a. SNT-TC-1A

b. ANSI / ASNT CP-189

c. ANSI / ASNT CP-105

d. ANSI / ASNT NDT

55. A type of service failure occurring in metal at elevated temperature under constant load is referred to as

a. fatigue

b. stress-corrosion cracking

c. creep

d. delayed crack

56. According to SNT-TC-1A an NDT Level III individual should

a. be knowledgeable about ISO-9712

b. be certified in at least 2 NDT method

c. be capable of training and examining Level I and II personnel

d. have at least 5 years experience in NDT and be familiar with other certification programs.

57. The normally used NDT method to inspect solder joints is

a. Eddy current

b. acoustic emission

c. visual

d. ultrasonic

58. Specific exam should address about all but one the following

a. equipment

b. operating procedure

c. technique of application

d. general knowledge

59. A wet flourescent magnetic particle test is performed on the inner surface of high strength carbon

welds and adjacent heat affected zone (HAZ) of a vessel which had been used for ( ) of

petroleum products for past 15 years. The type of discontinuously

a. hot tears

b. creep

c. hydropic induced cracks

d. microbiologically influenced corrosion

60. slag inclusions in welds are primarily

a. entrapped water vapor and dense metals

b. oxides and nonmetallic solids

c. lime and silicon

d. aluminized and glassy metals

 

 

 

 

 

ANSWER

41	42	43	44	45	46	47	48	49	50
C	B	B	D	A	A	A	D	C	B
51	52	53	54	55	56	57	58	59	60
A	D	B	C	C	C	C	D	C	B