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40hour Radiation Safety Exam Questions and Answers
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  • Radiation safety
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  • Radiation Safety

The symbol R means - Answer-roentgen the acronym rad means - Answer-radiation absorbed dose the roentgen (R) exposure is measured in - Answer-air the symbol mR means - Answer-milliroentgen one roentgen or 1 R is equal to - Answer-1000 milliroentgen the acronym rem stands for - Answer...

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  • October 10, 2024
  • 5
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers

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  • 40hour radiation safety exam questions and answers
  • the symbol r means answer roentgen

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  • Radiation safety
  • Radiation safety

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40hour Radiation Safety Exam
Questions and Answers
The symbol R means - Answer-roentgen

the acronym rad means - Answer-radiation absorbed dose

the roentgen (R) exposure is measured in - Answer-air

the symbol mR means - Answer-milliroentgen

one roentgen or 1 R is equal to - Answer-1000 milliroentgen

the acronym rem stands for - Answer-roentgen equivalent man

the initialism QF stands for - Answer-quality factor

the quality factor for X-rays and gamma rays is - Answer-1

the quality factor for alpha (ray) particles is - Answer-20

activity of radioactive material is measured in - Answer-curies

Becquerels and curies are units of measurement of - Answer-decay rate

atoms that have excess energy and are unstable are known as - Answer-radioactive

elementary particle units with a negative electrical charge and a mass approximately
equal to 1/1840 that of a proton are - Answer-electrons

positively charged elementary particles with a mass approximately equal to 1840 times
that of an electron, or 1 AMU, are known as - Answer-protons

unchanged elementary particles with a mass nearly equal that of a proton are called -
Answer-neutrons

the area known as the center of an atom is called the - Answer-nucleus

any byproduct material that is encased in a capsule designed to prevent leakage or
escape of the byproducts material is - Answer-sealed source

a tube through which the radioactive source travels when inside a radiographic
exposure device is a - Answer-S tube

, survey meters must be calibrated at intervals not to exceed: - Answer-six months and/or
after instrument servicing except for batter changes

a survey meter must be capable of measuring a range of - Answer-2 to 1000 mR/h
(0.02 to 10 mSv/h)

becquerels and curies are units of measurement of - Answer-activity

an analog survey meter must be calibrated on each scale at two points approximately -
Answer-33% and 66% on the scale's potential

the process that results in the removal of orbital electrons from atoms resulting in the
formation of ion pairs is - Answer-ionization

the fact that gasses bombarded by ionizing radiation become conductors of electrical
current make them useful in - Answer-detection equipment

a dosimeter must be capable of reading a range of - Answer-0-200 mR (0-2mSv)

pocket ion chambers must be capable of reading - Answer-200 mR (2mSv)

an exposure rate is measured by - Answer-survey meter

what dosimeters (dosimetric devices) are last affected by moisture - Answer-TLDs

full deflection of a survey meter while on batter check means - Answer-meter may or
may not be working properly

dosimeters must be calibrated at intervals not to exceed - Answer-annually

rate alarms must be calibrated at intervals not to exceed - Answer-yearly

a film badge/TLD records what - Answer-total dose history for the period worn

when performing radiography in a permanent radiographic installation equipped with an
area monitor, the technician is not required to - Answer-wear a rate alarm

a direct reading ionization chamber, such as a dosimeter, has the advantage of
providing an - Answer-immediate dose history since last time charged

a radiographers survey meter is sowing 0 near the source; it can safely be assumed
that: - Answer-the meter is in an inoperable state, the radiographer should retreat from
the source until an operational meter has replaced the suspect meter

a radiographer reads 7.5 on the 10x scale of the survey meter. what is the current dose
rate at that position - Answer-75 mR/h

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