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Level 1 - Radiography Questions

45 Questions  I  By Mbelousov
Radiography Quizzes & Trivia
Level 1 Radiography test - 135+ multiple choice questions

  
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1.  L5the energy of a photon cannot be destroyed, but can be converted into other forms by the photoelectric and compton effects
A.
B.
2.  L2The higher the "amplitude" of an electromagnetic wave, the higher the energy.
A.
B.
3.  Water spots on films can be minimized by:
A.
B.
C.
D.
4.  L3Large grain films provide the best definition in a radiograph.
A.
B.
5.  A radioactive source with an activity of one curie has:
A.
B.
C.
D.
6.  The best X-ray efficiency is produced when the target material has
A.
B.
C.
D.
7.  L9the fixer solution serves to both remove unexposed silver bromide grains and to harden the emulsion layer
A.
B.
8.  L9the developer is an alkaline solution which requires and acetic acid solution in the stop bath (fixer) to neutralize
A.
B.
9.  A penetrameter is used to indicate:
A.
B.
C.
D.
10.  Approximately what percent of the original radioactivity is left after six half-lives:
A.
B.
C.
D.
11.  L3Penumbra can be reduced by increasing the source-to-specimen distance.
A.
B.
12.  The purpose of agitating an X-ray film during development is to:
A.
B.
C.
D.
13.  Cobalt-60 used in nondestructive testing emits:
A.
B.
C.
D.
14.  The cause for poor image definition could be considered:
A.
B.
C.
D.
15.  Primary radiation which strikes a film holder or cassette through a thin portion of the specimen will cause scattering into the shadows of the adjacent thicker portions producing an effect called:
A.
B.
C.
D.
16.  In film radiography, penetrameters are usually placed:
A.
B.
C.
D.
17.  To prevent excessive backscatter from reaching a radiographic film, one should:
A.
B.
C.
D.
18.  L2Visible light has a longer wavelength than X and Gamma rays.
A.
B.
19.  A general rune often employed for determining the kilovoltage to be used when X-raying a part is:
A.
B.
C.
D.
20.  In a fluoroscopic inspection system using a 15-inch source-to-material distance and 2-inch material-to-screen distance, transverse vibration of which item will cause the most image blurring:
A.
B.
C.
D.
21.  Unexposed boxes of X-ray film should be stored:
A.
B.
C.
D.
22.  When doing gamma-ray radiography with high-intensity emitters, the sources are best handled:
A.
B.
C.
D.
23.  L2High freq and short wavelength rays are best able to penetrate opaque materials.
A.
B.
24.  A section with a significant increase in thickness variation is required to be shown on a single radiograph within a desired film density range. This may be accomplished by:
A.
B.
C.
D.
25.  Two X-ray machines operating at the same nominal kilovoltage and milliamperage settings:
A.
B.
C.
D.
26.  The activity of the developer solution is maintained stable by:
A.
B.
C.
D.
27.  The extent to which X rays can be successfully utilized in nondestructive testing is largely dependent upon:
A.
B.
C.
D.
E.
28.  The accidental movement of the specimen of the specimen or film during exposure or the use of a focus-film distance that is too small will:
A.
B.
C.
D.
29.  L9most radiographic film uses clear acetate or polyester base with emulsion on both sides
A.
B.
30.  If a piece of lead 1/2-inch this is placed in the path of a beam of radiation emanating from cobalt-60, it will reduce the dose rate at a given location by:
A.
B.
C.
D.
31.  X rays, gamma rays, and alpha particles all have one thing in common - they are all:
A.
B.
C.
D.
32.  One of the general rules concerning the application of geometric principles of shadow formation to radiography is:
A.
B.
C.
D.
33.  L5when the energy form of an x-ray tube has penetrated through 3 half-value layers, only 3/4 of the original energy remains
A.
B.
34.  The most widely used unit of measurement for measuring the rate at which the output of a gamma-ray source decays is the:
A.
B.
C.
D.
35.  The intensity of X or Gamma radiation is measured in:
A.
B.
C.
D.
36.  A densitometer is:
A.
B.
C.
D.
37.  The exposure of personnel to X- and gamma radiation can be measured or monitored by means of:
A.
B.
C.
D.
38.  The formula for determining permissible accumulated personnel dose is:
A.
B.
C.
D.
39.  In order to achieve uniformity of development over the area of an X-ray film during manual processing:
A.
B.
C.
D.
40.  As a check on the adequacy of the radiographic technique, it is customary to place a standard test piece on the source side of the specimen. This standard test piece is called a:
A.
B.
C.
D.
41.  L9artifacts are often caused by improper use of safe-lights in the darkroom
A.
B.
42.  The two most common causes for excessively high-density radiographs are:
A.
B.
C.
D.
43.  L3Contrast is considered to be the comparison between film densities on adjacent areas of the radiograph.
A.
B.
44.  The normal development time for manually processing X-ray film is:
A.
B.
C.
D.
45.  L2The wavelength of a typical X-ray is usually considered to be several miles long.
A.
B.
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