Top 1000+ Solved Non Destructive Testing and Evaluation MCQ Questions Answer
Q. According to ASTM E709-95, Table 3., alternating current electromagnetic yokesmust have a lifting force of at least:
a. 3.0 kg (7 lb)
b. 3.5 kg (8 lb)
c. 4.0 kg (9 lb)
d. 4.5 kg (10 lb)
Q. According to ASTM E709-95, Table 3., direct current electromagnetic yokes musthave a lifting force of at least:
a. 15 kg (33 lb)
b. 16 kg (36 lb)
c. 17 kg (38 lb)
d. 18 kg (40 lb)
Q. According to API, the acceptable particle concentration of wet particle solution forfluorescent particles is:
a. 0.1 to 0.4 mL by volume
b. 0.1 to 0.5 mL by volume
c. 0.1 to 0.6 mL by volume
d. 0.1 to 0.7 mL by volume
Q. According to API, the particle concentration of wet particle solution must be checked:
a. Prior to each shift
b. Only after each shift
c. Only each week
d. Only each two weeks
Q. According to ASTM E709-95 and API, the UV intensity measured at a minimum of 38cm (15 inches) at least shall not be less than:
a. 700 µW/cm2
b. 800 µW/cm2
c. 900 µW/cm2
d. 1000 µW/cm2
Q. According to ASTME 709-95 and API, in order to eliminate all contaminants, an appropriate cleaning shall be performed on all the surfaces to be examined and on a minimum of adjacent material:
a. 25.4 mm (1 inch)
b. 31.7 mm (5/4 inches)
c. 38.1 mm (1.5 inches)
d. 44.5 mm (7/4 inches)
Q. According to ASTM E709-95 and API, the temperature of the dry particles can be usableup to:
a. 38ºC
b. 2000ºC
c. 49ºC
d. 315ºC
Q. According to ASTM E709-95 and API, the thickness of non conductive coatings willnot exceed:
a. 1-10 mm
b. 2-5 mm
c. 0.02-0.05 mm
d. 0.001-0.004 mm
Q. According to ASTM E709-95 and API, relevant indications are produced by:
a. Greasy surfaces
b. Excessive background
c. Leakage fields
d. Rotating Eddy currents
Q. According to ASTM E709-95 and API, when fluorescent particles are used, the UVbulb shall warm up prior to use for at least:
a. 1 minute
b. 2 minutes
c. 3 minutes
d. 5 minutes
Q. According to AST M E709-95 and API, after removing magnetization of parts afterexamination, the residual magnetism shall not exceed (1 gauss = 0.0001 tesla):
a. 3 × 10-4T (3gauss)
b. 4 × 10-4T (4 gauss)
c. 6 × 10-4T (6gauss)
d. 8 × 10-4T (8 gauss)
Q. According to API, a non- relevant indication is defined as an indication which in the major dimension is equal to, or less than:
a. 1.59 mm (1/16 inches)
b. 2.4 mm (3/32 inches)
c. 3.2 mm (1/18 inches)
d. 4 mm (5/32 inches)
Q. Which of the following types of intensifying screens are not used in industrialradiography?
a. Lead
b. Fluorescent
c. Silver halide
d. All of the above
Q. Betatrons are used to produce X rays in what range?
a. Several MeV
b. 50-500 keV
c. 500-1000keV
d. 0-50 keV