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40-HOUR RADIATION SAFETY EXAM
2025 QUESTIONS AND ANSWERS.
1. X-ray machines work on the principle of bremsstrahulung or
braking. Which component is not required to produce this effect
- correct answer - focusing cap
2. A control panel in an x-ray system must have clearly visible
which of the following statements - correct answer - caution: x-
rays produced when energized
3. What components are required to produce x-rays - correct
answer - a power source, free electrons, and a target
4. The output equivalent to curies with an x-ray tube is controlled
by the - correct answer - amperage rheostat
5. Electrons are produced by which componenet of an x-ray tube
- correct answer - filament
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6. X-ray systems are required to have two visible indicators to
show when x-rays are produced. One indicator may be the
milliampmeter, the other a red light. This light must be labeled -
correct answer - x-ray on
7. Which in a field setting, radiography is conducted using a 300
kv x-ray system. What minimum boundaries must be set -
correct answer - high radiation and radiation areas
8. At the completion of an x-ray exposure and turning the system
to standby - correct answer - you may approach the tube head
immediately without fear of exposure
9. Typically the exposure's duration is controlled by - correct
answer - automatically via an integrated timer
10. A source must be leak tested - correct answer - every six
months
40-HOUR RADIATION SAFETY EXAM
2025 QUESTIONS AND ANSWERS.
1. X-ray machines work on the principle of bremsstrahulung or
braking. Which component is not required to produce this effect
- correct answer - focusing cap
2. A control panel in an x-ray system must have clearly visible
which of the following statements - correct answer - caution: x-
rays produced when energized
3. What components are required to produce x-rays - correct
answer - a power source, free electrons, and a target
4. The output equivalent to curies with an x-ray tube is controlled
by the - correct answer - amperage rheostat
5. Electrons are produced by which componenet of an x-ray tube
- correct answer - filament
, Page | 2
6. X-ray systems are required to have two visible indicators to
show when x-rays are produced. One indicator may be the
milliampmeter, the other a red light. This light must be labeled -
correct answer - x-ray on
7. Which in a field setting, radiography is conducted using a 300
kv x-ray system. What minimum boundaries must be set -
correct answer - high radiation and radiation areas
8. At the completion of an x-ray exposure and turning the system
to standby - correct answer - you may approach the tube head
immediately without fear of exposure
9. Typically the exposure's duration is controlled by - correct
answer - automatically via an integrated timer
10. A source must be leak tested - correct answer - every six
months
