Radiographic Testing Method Level 2
Questions With complete solutions.
21. An X-ray film or IP having wide latitude (dynamic range) also has, by definition:
a. poor definition (sharpness)
b. low contrast
c. high contrast
d. excellent definition - CORRECT ANSWER-b. low contrast
25. Thin sheets of lead foil in intimate contact with IP during exposure increase image
density because they:
a. fluoresce and emit visible light which helps expose the IP
b. absorb the scattered radiation
c. prevent backscattered radiation from fogging the IP
d. emit electrons when exposed to X- and gamma radiation which help darken the
image - CORRECT ANSWER-d. emit electrons when exposed to X- and gamma
radiation which help darken the image
30. When radiographing to the 2-2T quality level, an ASTM hole type penetrameter for
63 mm (2.5") steel has a thickness of:
a. 13 mm (0.5")
b. 0.063 mm (2.5 mils)
c. 0.126 mm (5 mils)
d. 1.26 mm (50 mils) - CORRECT ANSWER-d. 1.26 mm (50 mils)
34. The adjustment of tube current in conventional X-ray tube circuits is made by:
a. adjusting the filament heating current
b. adjusting the target-to-cathode distance
c. inserting resistance in the anode lead
d. opening the shutter on the X-ray tube port - CORRECT ANSWER-a. adjusting
the filament heating current
40. The range of thickness over which densities are obtained that are satisfactory for
interpretation is a measure of the:
a. subject contrast of a radiograph
b. sensitivity of a radiograph
c. latitude (dynamic range) of a radiograph
d. definition of a radiograph - CORRECT ANSWER-c. latitude (dynamic range)
of a radiograph
51. Two isotropic sources of a given strength have two different specific activity values.
The source with the higher specific activity value will:
