Quiz Summary
0 of 40 Questions completed
Questions:
Information
You have already completed the quiz before. Hence you can not start it again.
Quiz is loading…
You must sign in or sign up to start the quiz.
You must first complete the following:
Results
Results
0 of 40 Questions answered correctly
Your time:
Time has elapsed
You have reached 0 of 0 point(s), (0)
Earned Point(s): 0 of 0, (0)
0 Essay(s) Pending (Possible Point(s): 0)
Categories
- Not categorized 0%
- 1
- 2
- 3
- 4
- 5
- 6
- 7
- 8
- 9
- 10
- 11
- 12
- 13
- 14
- 15
- 16
- 17
- 18
- 19
- 20
- 21
- 22
- 23
- 24
- 25
- 26
- 27
- 28
- 29
- 30
- 31
- 32
- 33
- 34
- 35
- 36
- 37
- 38
- 39
- 40
- Current
- Review
- Answered
- Correct
- Incorrect
- Question 1 of 40
1. Question
Low voltage X-ray tubes are generally fitted with windows made of
CorrectIncorrect - Question 2 of 40
2. Question
The general method of producing X-rays involves the sudden deceleration of high velocity electrons in a solid body called a:
CorrectIncorrect - Question 3 of 40
3. Question
The absorption of gamma rays from a given source when passing through matter depends on the:
CorrectIncorrect - Question 4 of 40
4. Question
The uneven distribution of developed grains within the emulsion of a processed X-ray film causes the subjective impression of:
CorrectIncorrect - Question 5 of 40
5. Question
Co-60 is reported to have a half-life of 5.3 years. By how much should exposure time be increased (over that used initially to produce excellent radiographs when the Co-60 source was new) when the source is two years old?
CorrectIncorrect - Question 6 of 40
6. Question
Of the following, the source providing the most penetrating radiation is:
CorrectIncorrect - Question 7 of 40
7. Question
The quantity of radiation which will produce, by means of ionization, one electrostatic unit of electricity in 0.001293 g of dry air is known as a
CorrectIncorrect - Question 8 of 40
8. Question
Which of the following isotopes has the longest half-life?
CorrectIncorrect - Question 9 of 40
9. Question
The slope of a straight line joining two points of specified densities on a characteristic curve of a film is known as the
CorrectIncorrect - Question 10 of 40
10. Question
A voltage selector consisting of an iron core transformer with a single winding having a series of taps at various points on the winding is called:
CorrectIncorrect - Question 11 of 40
11. Question
Besides serving as a filter, screens of high atomic numbers, such as lead and lead antimony, also:
CorrectIncorrect - Question 12 of 40
12. Question
The range of thickness over which densities are obtained that are satisfactory for interpretation is a measure of the:
CorrectIncorrect - Question 13 of 40
13. Question
The amount of unsharpness or blurring of a radiograph is:
CorrectIncorrect - Question 14 of 40
14. Question
The inherent filtration of an X-ray tube is a function of the:
CorrectIncorrect - Question 15 of 40
15. Question
As the effective energy of the radiation increases up to about 250 kV:
CorrectIncorrect - Question 16 of 40
16. Question
The specific activity of Co-60 depends on the:
CorrectIncorrect - Question 17 of 40
17. Question
A device which is basically a combination of magnet and transformer designed to guide and accelerate electrons in a circular orbit to very high energies is called a:
CorrectIncorrect - Question 18 of 40
18. Question
In general, the quality of fluoroscopic equipment is best determined by:
CorrectIncorrect - Question 19 of 40
19. Question
The load that can be handled by an X-ray tube focal spot is governed by:
CorrectIncorrect - Question 20 of 40
20. Question
In certain cases, it may advantageous to pack lead shot around a specimen. The purpose for doing this is to:
CorrectIncorrect - Question 21 of 40
21. Question
In the microradiographic technique:
CorrectIncorrect - Question 22 of 40
22. Question
Which of the following X-ray generators would produce the narrowest cone of X-radiation?
CorrectIncorrect - Question 23 of 40
23. Question
Two factors which greatly affect the suitability of the target material in an X-ray tube are:
CorrectIncorrect - Question 24 of 40
24. Question
The quantitative measure of film blackening is referred to as:
CorrectIncorrect - Question 25 of 40
25. Question
A curve that relates density with the logarithm of exposure or of relative exposure is called:
CorrectIncorrect - Question 26 of 40
26. Question
The developer solution is:
CorrectIncorrect - Question 27 of 40
27. Question
A general rule governing the application of the geometric principles of shadow formation states that the:
CorrectIncorrect - Question 28 of 40
28. Question
When electrons of many different energies strike a target, a continuous spectrum of X-rays is generated. These X-rays are known as:
CorrectIncorrect - Question 29 of 40
29. Question
The difference in density between different parts of a radiograph is called:
CorrectIncorrect - Question 30 of 40
30. Question
Discontinuities caused by fatigue and/or corrosion are categorized as:
CorrectIncorrect - Question 31 of 40
31. Question
Heat affected zone cracking is not easily detected with radiographic testing because:
CorrectIncorrect - Question 32 of 40
32. Question
Devices used to ensure that radiographs meet the desired image quality level are called:
CorrectIncorrect - Question 33 of 40
33. Question
The energy level of X-rays is controlled by the:
CorrectIncorrect - Question 34 of 40
34. Question
The specific activity of a gamma ray source is important because it determines:
CorrectIncorrect - Question 35 of 40
35. Question
The earliest indications of radiation damage may be detected in the:
CorrectIncorrect - Question 36 of 40
36. Question
In relation to radiation effects, MLD stands for:
CorrectIncorrect - Question 37 of 40
37. Question
The pocket dosimeter has the advantage of:
CorrectIncorrect - Question 38 of 40
38. Question
The factor equation is:
CorrectIncorrect - Question 39 of 40
39. Question
Which of the following is not used to control light in the darkroom?
CorrectIncorrect - Question 40 of 40
40. Question
Generally speaking, artifacts that occur before the film is exposed are:
CorrectIncorrect