Level 1 - Radiography Questions

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Radiography Quizzes & Trivia
Level 1 Radiography test - 135+ multiple choice questions

  
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1.  L2The term '' absorption'' refers to the ability of a material to permit X-rays to penetrate without loss of energy.
A.
B.
2.  L14filters absorb low energy radiation leaving higher average energy beams to penetrate the specimen
A.
B.
3.  A cobalt-60 source has a half-life of
A.
B.
C.
D.
4.  L5An isotope, such as Cobalt 60, always emits rays that have a specific energy
A.
B.
5.  The penetrating ability of an X-ray beam is governed by:
A.
B.
C.
D.
6.  Unwanted inclusions in a part will appear on a radiograph as:
A.
B.
C.
D.
7.  An advantage of the pocket dosimeter type of ionization chamber used to monitor radiation received by personnel is:
A.
B.
C.
D.
8.  L1To comply with the guidelines of SNT-TC-1A, all three lvls of technicians must take a "General", "Practical", and "Specific" test if examinations are used to determine certification.
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B.
9.  In order to increase the intensity of X-radiation:
A.
B.
C.
D.
10.  Which of the following materials is suitable for use in vessels or pails used to mix processing solutions:
A.
B.
C.
D.
11.  An excellent radiograph is obtained under given conditions of exposure with the film located at a distance of 36 inches from the target of the X-ray tube. If the film is now placed only 18 inches from the target, and all exposure conditions except time are held constant, the new exposure time will be:
A.
B.
C.
D.
12.  L9"water spots" are usually caused by leaving the film in the rinse tank or an excess time
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B.
13.  Kilovoltage, exposure time, and source-to-film distance are three of the most important X-ray exposure factors that can be controlled. A fourth such exposure factor is:
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B.
C.
D.
14.  White crescent-shaped marks on an exposed X-ray film are most likely caused by:
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B.
C.
D.
15.  The best X-ray efficiency is produced when the target material has
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C.
D.
16.  Assuming that a good radiograph is obtained at a setting of 10 milliamperes in 40 seconds, how much time will be necessary to obtain one equivalent radiograph if the milliamperage is changed to 5 milliamperes (all other conditions remain constant):
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B.
C.
D.
17.  Short wavelength electromagnetic radiation produced during the disintegration of nuclei or radioactive substances is called:
A.
B.
C.
D.
18.  L2Wavelength is usually described as the distance between two angstrom units.
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B.
19.  If a film is placed in a developer solution and allowed to develop without any agitation:
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B.
C.
D.
20.  A penetrameter is used to indicate:
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B.
C.
D.
21.  The purpose of a dated decay curve is to:
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B.
C.
D.
22.  To produce X rays, electrons are accelerated to a high velocity by an electrical field and then suddenly stopped by a collision with a solid body. This body is called:
A.
B.
C.
D.
23.  Radiation arising directly from the target of an X-ray tube or an accelerator, or from a radioactive source, is usually referred to as:
A.
B.
C.
D.
24.  When the minute silver grains on which the X-ray film image is formed group together in relatively large masses, they produce a visual impression called
A.
B.
C.
D.
25.  With a given exposure time and kilovoltages, a properly exposed radiograph is obtained with a 6 milliamperes-minutes exposure at the distance of 20 inches. It is desired to increase the sharpness of detail in the image by increasing the source-to-film distance to 40 inches. The correct milliamperes-minutes exposure to obtain the desired radiographic density at the increased distance is:
A.
B.
C.
D.
26.  L9the developer is an alkaline solution which requires and acetic acid solution in the stop bath (fixer) to neutralize
A.
B.
27.  Water spots on films can be minimized by:
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B.
C.
D.
28.  L2The higher the "amplitude" of an electromagnetic wave, the higher the energy.
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B.
29.  The purpose of fixation is:
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B.
C.
D.
30.  The density of a radiograph image refers to:
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B.
C.
D.
31.  Three liquids which are essential to process an exposed film properly are:
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B.
C.
D.
32.  Fluoroscopy differs from radiography in that:
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B.
C.
D.
33.  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:
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B.
C.
D.
34.  As the kilovoltage applied to the X-ray tube is raised:
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B.
C.
D.
35.  L5the bremsstrahlung process may cause energy to be converted through additional compton and photolelectric effects
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B.
36.  A general rune often employed for determining the kilovoltage to be used when X-raying a part is:
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B.
C.
D.
37.  The primary parts of an atom are:
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B.
C.
D.
38.  When radiographing to the 2-2T quality level, an ASTM penetrameter for 1/2-inch thick 2024 aluminum alloy has a thickness of:
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B.
C.
D.
39.  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:
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B.
C.
D.
40.  The three main steps in processing a radiograph are:
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D.
41.  A properly exposed radiograph that is developed in a developer solution at a temperature of 58F for 5 minutes will probably be:
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B.
C.
D.
42.  L1The selection of one test method over another is usually the decision of the Lvl I technician performing the test.
A.
B.
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43.  The focal spot size of an X-ray machine must be known in order to determine:
A.
B.
C.
D.
44.  L9replenishment of the developer is necessary when the densities on the control strip start to become darker
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B.
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45.  The purpose of agitating an X-ray film during development is to:
A.
B.
C.
D.
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