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Level 1 - Radiography Questions

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

  
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1.  A densitometer is:
A.
B.
C.
D.
2.  A curie is the equivalent of:
A.
B.
C.
D.
3.  The sharpness of the outline in the image of the radiograph is a measure of:
A.
B.
C.
D.
4.  The term used to describe the loss of excess energy by the nucleus of radioactive atoms is called:
A.
B.
C.
D.
5.  L9if large areas of the film are exposed to radiation, this will cause the developer to become exhausted faster
A.
B.
6.  L1It is essential that every employer that uses the SNT-TC-1A doc establish a "Written Practice".
A.
B.
7.  As the kilovoltage applied to the X-ray tube is raised:
A.
B.
C.
D.
8.  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.
9.  L5The intensity of an x-ray beam is dependent upon the amount of electrons striking the tungsten target
A.
B.
10.  L1The 1980 Edition of SNT-TC-1A permits the employer to waive an examination for Lvl III personnel provided that documentation is on file showing the technician's qualifications.
A.
B.
11.  L9the developer is an alkaline solution which requires and acetic acid solution in the stop bath (fixer) to neutralize
A.
B.
12.  Which dose would be dangerous, if not fatal, if applied to the entire body in a short period of time:
A.
B.
C.
D.
13.  The purpose of fixation is:
A.
B.
C.
D.
14.  L1ASNT provides a service for examining Lvl I, II, and III personnel in the General and Specific areas.
A.
B.
15.  L2The higher the "amplitude" of an electromagnetic wave, the higher the energy.
A.
B.
16.  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:
A.
B.
C.
D.
17.  Static marks, which are black tree-like or circular marks on a radiograph, are often caused by:
A.
B.
C.
D.
18.  In order to achieve uniformity of development over the area of an X-ray film during manual processing:
A.
B.
C.
D.
19.  L2Angstrom units are used to measure the wavelength of X and Gamma rays.
A.
B.
20.  The most common material used to provide protection against X rays is:
A.
B.
C.
D.
21.  The normal development time for manually processing X-ray film is:
A.
B.
C.
D.
22.  The three main steps in processing a radiograph are:
A.
B.
C.
D.
23.  When referring to a "2T" or "4T" hole in the ASTM penetrameter, the T refers to:
A.
B.
C.
D.
24.  The activity of the developer solution is maintained stable by:
A.
B.
C.
D.
25.  In performing fluoroscopic examination of a part, it is important to control
A.
B.
C.
D.
26.  L5An isotope, such as Cobalt 60, always emits rays that have a specific energy
A.
B.
27.  Which of the following is an advantage of a fluoroscopic system when compared to a radiographic system:
A.
B.
C.
D.
28.  Unwanted inclusions in a part will appear on a radiograph as:
A.
B.
C.
D.
29.  The extent to which X rays can be successfully utilized in nondestructive testing is largely dependent upon:
A.
B.
C.
D.
E.
30.  L5"ion production" can occur when a photon collides with an electron and knocks the electron out of the atom
A.
B.
31.  The velocity of all electromagnetic radiation is:
A.
B.
C.
D.
32.  The exposure of personnel to X- and gamma radiation can be measured or monitored by means of:
A.
B.
C.
D.
33.  Upon completing an X-ray exposure and turning the equipment off:
A.
B.
C.
D.
34.  L2A "cycle" is considered to be one complete wave either from peak to peak or trough to trough.
A.
B.
35.  In X-radiography, the ability to penetrate the test object is governed by:
A.
B.
C.
D.
36.  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.
37.  The time required for one-half of the atoms in a particular sample of radioactive material to disintegrate is called:
A.
B.
C.
D.
38.  L5the bremsstrahlung process may cause energy to be converted through additional compton and photolelectric effects
A.
B.
39.  The primary parts of an atom are:
A.
B.
C.
D.
40.  L5the "bremsstrahlung" process involves the production of ion pairs when one electron collides with another
A.
B.
41.  L3Penumbra can be reduced by increasing the source-to-specimen distance.
A.
B.
42.  The metal that forms the image on a n X-ray film is:
A.
B.
C.
D.
43.  What does the term R/hr refer to when speaking of intensity:
A.
B.
C.
D.
44.  L1If the SNT-TC-1A doc is to be used as a recommended guideline, the "Written Practice" must be submitted to ASNT for approval.
A.
B.
45.  L14lead screens increase photographic action
A.
B.
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