Top 150+ Solved Radiographic Testing Level 1 MCQ Questions Answer
Q. Radiographic enlargement to distinguish small defects is possible:
a. Only with a very small source or focal spot size radiation source
b. Routinely
c. With most sources
d. Never
Q. A detrimental effect of fluorescent screens might be:
a. High definition
b. Screen mottle
c. Non-linear attenuation
d. Displaced core effect
Q. The penetrating power of an X ray machine is indicated by:
a. Milliamperage
b. Tube voltage
c. Filament current
d. Anode current
Q. Reticulation may be the result of:
a. Inadequate agitation of the film during development
b. Inadequate water rinse during processing
c. Using exhausted stop bath solution
d. Developing solutions not maintained at the same temperatures.
Q. The main advantage of having small focal spot on an X ray tube is:
a. Heat is conducted away more efficiently than with a large focal spot
b. A smaller focal spot is unlikely to be damaged from the required tube currents
c. Longer tube life
d. A smaller focal spot allows sharper radiographic images than does a larger
Q. Cobalt-60 is produced by:
a. Fission of Uranium-235
b. Neutron capture by Cobalt-59
c. Radioactive decay
d. None of the above
Q. For a particular isotope, gamma radiation intensity is determined by:
a. Type of isotope used
b. Energy level of gamma rays in source
c. Source strength in curies
d. None of the above
Q. Which of the following statements should be true to achieve the highest level ofradiographic sharpness (definition)?
a. The focal spot should be as small as practicable
b. The focal spot to test piece distance should be as large as practicable
c. The film to test piece distance should be as small as practicable
d. All of the above
Q. Thicker materials would normally be inspected using:
a. Lower kV X rays
b. Higher mA X rays
c. Higher kV X rays
d. Lower mA X rays
Q. Another name for a penetrameter is:
a. Radiographic shim
b. Image quality indicator
c. Density standard
d. Acceptance standard
Q. The silver nitrate spot test can be used to:
a. Check the film for film quality
b. Check for under developed films
c. Check for film artifacts
d. All the above answers are correct
Q. The difference in densities seen on a radiograph due to section changes in an item is:
a. Film contrast
b. Radiographic contrast
c. Subject contrast
d. Radiographic sensitivity
Q. Which type of film would exhibit the coarsest grain?
a. Slow
b. Medium
c. Fast
d. No difference in the grain sizes
Q. An advantage of a gamma ray source is:
a. Radiation may be turned on or off at will
b. Outside power is normally not required
c. Less shielding is required than for X ray
d. All of the above
Q. Higher X ray tube voltages result in:
a. Shorter wavelengths X rays
b. Less penetrating X rays
c. Fewer X rays in the primary beam
d. All of the above