Take The Ultimate Practice Questions On Radiography! Quiz

200 Questions | By Mbelousov | Updated: Apr 21, 2022 | Attempts: 15238

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Take The Ultimate Practice Questions On Radiography! Quiz - Quiz

Have you ever had a fracture and needed to get an X-ray? To check your knowledge, you can take this radiography test with informative questions and answers. You might not have known it at the time, but the process whereby an image was taken of your skeleton is called radiography – it is defined as an imaging technique used in order to view the internal form of an object. Take the quiz and find out how well do you know about radiography. All the best for a perfect score!

Questions and Answers

1.

In film radiography, the penetrameters are mostly placed:
- A.
  
  In between the intensifying screen and the film
- B.
  
  On the source side of the object for testing
- C.
  
  On the film side of the test object for testing
- D.
  
  In between the operator and the radiation source
2.

The penetrating ability of an X-ray beam is calculated by:
- A.
  
  Kilovoltage or wavelength
- B.
  
  Time
- C.
  
  Milliamperage
- D.
  
  Source-to-film distance
3.

Cobalt-60 used in nondestructive testing emits:
- A.
  
  Alpha particles
- B.
  
  Neutrons
- C.
  
  Gamma rays
- D.
  
  X rays
4.

A densitometer is:
- A.
  
  A meter used to measure X-ray intensity.
- B.
  
  An instrument for measuring film density
- C.
  
  A meter used for measuring the density of a material.
- D.
  
  A meter used to measure tube current.
5.

Three liquids that are essential to process an exposed film properly are:
- A.
  
  Stop batch, acetic acid, and water
- B.
  
  Developer, stop bath, and H2O2.
- C.
  
  Developer, fixer, and water
- D.
  
  Acetic acid, fixer, and stop bath
6.

The two most common reasons for excessively high-density radiographs are:
- A.
  
  Insufficient washing and overdevelopment
- B.
  
  Contaminated fixer and insufficient washing
- C.
  
  Overexposure and contaminated fixer
- D.
  
  Overexposure and overdevelopment
7.

The time required for one-half of the atoms in a specific sample of radioactive material to disintegrate is called:
- A.
  
  The inverse square law
- B.
  
  A curie
- C.
  
  A half-life
- D.
  
  The exposure time
8.

What does R/hr refer to when talking of intensity:
- A.
  
  Radiation limits for humans
- B.
  
  Roentgens per hour
- C.
  
  X rays per hour
- D.
  
  Radiation in hydrogen
9.

What is the ability to detect a small discontinuity or flaw called?
- A.
  
  Radiographic contrast
- B.
  
  Radiographic sensitivity
- C.
  
  Radiographic density
- D.
  
  Radiographic resolution
10.

Movement, geometry, and screen contact are the factors that affect radiographic:
- A.
  
  Contrast
- B.
  
  Unsharpness
- C.
  
  Reticulation
- D.
  
  Density
11.

What is the difference between the densities of two areas of a radiograph called?
- A.
  
  Radiographic contrast
- B.
  
  Subject contrast
- C.
  
  Film contrast
- D.
  
  Definition Definition
12.

The most widely used unit of measurement to measure the rate at which the output of a gamma-ray source decays is the:
- A.
  
  Curie
- B.
  
  Roentgen
- C.
  
  Half-life
- D.
  
  MeV
13.

Who handles the source when doing gamma-ray radiography with high-intensity emitters?
- A.
  
  Directly by personnel equipped with special protective clothing with special protective clothing
- B.
  
  By remote handling equipment
- C.
  
  Directly by personnel with special protective clothing except when radiographs are being made
- D.
  
  By the same methods used for low-intensity emitters
14.

What happens if a film is placed in a developer solution and allowed to develop without any agitation?
- A.
  
  The radiograph will not show proper contrast
- B.
  
  It will become impossible to fix the radiograph permanently
- C.
  
  There will be a usual "fogging" condition over the entire radiograph
- D.
  
  There will be a tendency for each area of the film to affect the development of the areas immediately below it
15.

The selection of the proper type of film that needs to be used for the X-ray examination of a particular part depends on:
- A.
  
  The thickness of the part
- B.
  
  The material of the specimen
- C.
  
  The voltage range of the available X-ray machine
- D.
  
  All three of the above factors
16.

While radiographing a part that contains a large crack, the crack will appear on the radiograph as:
- A.
  
  A dark, intermittent, or continuous line
- B.
  
  A light, irregular line
- C.
  
  Either a dark or light line
- D.
  
  A fogged area on the radiograph
17.

A cobalt-60 source has a half-life of
- A.
  
  1.2 years
- B.
  
  6 months
- C.
  
  5.3 years
- D.
  
  75 days
18.

X-ray heat is generated by:
- A.
  
  The current passing through the filament (cathode)
- B.
  
  The distance from the cathode to the anode
- C.
  
  The type of material used in the target
- D.
  
  The voltage and waveform applied to-the X-ray tube
19.

What do the voltage and waveform apply to the X-ray tube by a high-voltage transformer primarily determine?
- A.
  
  Quantity of radiation
- B.
  
  Duration of exposure
- C.
  
  Penetrating ability
- D.
  
  X-ray beam divergence
20.

What happens if the foil is in direct contact with X-ray film?
- A.
  
  Intensifies the scatter radiation more than the primary radiation
- B.
  
  Decreases the contrast of the radiographic image
- C.
  
  Intensifies the primary radiation more than in comparison to the scatter radiation
- D.
  
  Should not be used when gamma rays are emitted by the source of radiation
21.

What is it called when intensifying fluorescent screens are usually mounted in pairs in rigid holders?
- A.
  
  Film racks
- B.
  
  Cassettes
- C.
  
  Emulsifiers
- D.
  
  Diaphragms
22.

Radiographic sensitivity, in the context of the minimum detectable flaw size, depends on:
- A.
  
  The graininess of the film
- B.
  
  The unsharpness of the flawed image in the film
- C.
  
  The contrast of the flawed image in the film
- D.
  
  All three of the above
23.

In order to decrease geometric unsharpness:
- A.
  
  Radiation should proceed from as small a focal spot as other considerations will allow
- B.
  
  Radiation should proceed from as large a focal spot as other considerations will allow.
- C.
  
  The film should be as far as possible from the object being radiographed
- D.
  
  The distance from the anode to the material examined should be as small as is practical.
24.

As the kilovoltage applied to the X-ray tube is raised:
- A.
  
  X rays of longer wavelength and more penetrating power are produced.
- B.
  
  X rays of shorter wavelength and more penetrating power are produced.
- C.
  
  X rays of shorter wavelength and less penetrating power are produced.
- D.
  
  X rays of longer wavelength and less penetrating power are produced.
25.

In order to increase the intensity of X-radiation:
- A.
  
  The tube current should be increased
- B.
  
  The tube current should be decreased
- C.
  
  The test specimen should be moved further from the film.
- D.
  
  A lower kilovoltage should be applied to the tube