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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.  L5"ion production" can occur when a photon collides with an electron and knocks the electron out of the atom
A.
B.
2.  In order to decrease geometric unsharpness:
A.
B.
C.
D.
3.  The lead symbol "B" is attached to the back of the film holder to determine:
A.
B.
C.
D.
4.  One requirement for keeping fluorescent screens in good condition is that they must:
A.
B.
C.
D.
5.  The purpose of fixation is:
A.
B.
C.
D.
6.  L3Back scattered radiation is often caused by low energy X-rays whose electron path was changed within the film.
A.
B.
7.  A radioactive source with an activity of one curie has:
A.
B.
C.
D.
8.  L1An advantage of radiography is that it reveals internal discontinuities with access to only one side of the part being inspected.
A.
B.
9.  What is sometimes used to change the alternating current from the high voltage transformer to direct current for the purpose of increasing the X-ray machine output:
A.
B.
C.
D.
10.  L2The wavelength of a typical X-ray is usually considered to be several miles long.
A.
B.
11.  Radiographic sensitivity, in the context of the minimum detectable flaw size, depends on:
A.
B.
C.
D.
12.  The purpose of agitating an X-ray film during development is to:
A.
B.
C.
D.
13.  L3Geometric unsharpness can be improved by keeping the film as close as possible to the specimen during an exposure.
A.
B.
14.  L2The "freq" of an X or gamma ray is measured in cycles per second.
A.
B.
15.  Which of the following is an advantage of a fluoroscopic system when compared to a radiographic system:
A.
B.
C.
D.
16.  The penetrating ability of an X-ray beam is governed by:
A.
B.
C.
D.
17.  The density difference between two selected portions of a radiograph is known as:
A.
B.
C.
D.
18.  L1A Lvl I technician performing a radiographic test is permitted* to accept or reject the part provided that written instructions or procedures are given to him by a Lvl II or Lvl III. (*in accordance with SNT-TC-1A)
A.
B.
19.  A graph which expresses the relationship between material thickness, KV, and Time specific to film, machine, FFD, processing conditions, and the resulting photographic density is called:
A.
B.
C.
D.
20.  Upon completing an X-ray exposure and turning the equipment off:
A.
B.
C.
D.
21.  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.
22.  The cause for poor image definition could be considered:
A.
B.
C.
D.
23.  L3Large grain films provide the best definition in a radiograph.
A.
B.
24.  The primary parts of an atom are:
A.
B.
C.
D.
25.  During manual film processing, the purpose of the stop bath is to:
A.
B.
C.
D.
26.  Beta particles are:
A.
B.
C.
D.
27.  The voltage and waveform applied to the X-ray tube by a high-voltage transformer primarily determines the:
A.
B.
C.
D.
28.  L3Internal scatter is caused by X-ray energy that has taken a new direction within the specimen being radiographed.
A.
B.
29.  The extent to which X rays can be successfully utilized in nondestructive testing is largely dependent upon:
A.
B.
C.
D.
E.
30.  To prevent excessive backscatter from reaching a radiographic film, one should:
A.
B.
C.
D.
31.  L2Angstrom units are used to measure the wavelength of X and Gamma rays.
A.
B.
32.  L3Sensitivity in a radiograph is usually considered to be a function to be a function of Contrast and Definition.
A.
B.
33.  When manually processing films, the purpose for sharply taping hangers two or three times after the films have been lowered in the developer is to:
A.
B.
C.
D.
34.  A graph showing (logarithmic scale) the relation between material thickness, kilovoltage, and exposure time is called:
A.
B.
C.
D.
35.  A sheet of lead with an opening cut in the shape of the part to be radiographed may be used to decrease the effect of scattered radiation which undercuts the specimens. Such a device is called:
A.
B.
C.
D.
36.  L9a control strip that has been exposed under a step wedge and processed after each replenishment is also used to check excess fogging caused by safe-lights
A.
B.
37.  L5The intensity of an x-ray beam is dependent upon the amount of electrons striking the tungsten target
A.
B.
38.  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.
39.  One of the general rules concerning the application of geometric principles of shadow formation to radiography is:
A.
B.
C.
D.
40.  The velocity of all electromagnetic radiation is:
A.
B.
C.
D.
41.  L9the developer solution transforms the silver bromide crystals to metallic silver causing the film to turn black
A.
B.
42.  L2High freq and short wavelength rays are best able to penetrate opaque materials.
A.
B.
43.  L2When X-ray film is developed, the portion that was exposed to radiation turns dark.
A.
B.
44.  Which of the following materials is suitable for use in vessels or pails used to mix processing solutions:
A.
B.
C.
D.
45.  L5the "photoelectric" effect involves complete absorption of the photon
A.
B.
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