DEQ Radiation Safety Test Questions and
answers
The symbol R means: - ✅✅roentgen
The acronym rad means: - ✅✅radiation absorbed dose
The roentgen (R) exposure is measured in: - ✅✅air
The symbol mR means: - ✅✅milliroentgen
One roentgen or 1 R is equal to : - ✅✅1000 milliroentgen
The acronym rem stands for: - ✅✅roentgen equivalent man
The initialism QF stands for: - ✅✅quality factor
The quality factor for X-rays and gamma rays is : - ✅✅1
The quality factor for alpha (ray) particles is: - ✅✅20
Activity of radioactive material is measured in: - ✅✅curies
Becquerels and curies are units of measurement of: - ✅✅decay rate
Atoms that have excess energy and are unstable are known as: - ✅✅radioactive
, Elementary particle units with a negative electrical charge and a mass approximately equal to 1/1840
that of a proton are: - ✅✅electrons
Positively charged elementary particles with a mass approximately equal to 1840 times that of an
electron, or 1 AMU, are known as: - ✅✅protons
Uncharged elementary particles with a mass nearly equal to that of a proton are called: -
✅✅neutrons
The area known as the center of an atom is called the: - ✅✅nucleus
Any byproduct material that is encased in a capsule designed to prevent leakage or escape of the
byproduct material is a: - ✅✅sealed source
A tube through which the radioactive source travels when inside a radiographic exposure device is a/an:
- ✅✅S tube
Survey meters must be calibrated at intervals not to exceed: - ✅✅six months and/or after instrument
servicing except for battery changes
A survey meter must be capable of measuring a range of: - ✅✅2 to 1000 mR/h (0.02 to 10 mSv/h)
Becquerels and curies are units of measurement of: - ✅✅activity
An analog survey meter must be calibrated on each scale at two points approximately: - ✅✅33% and
66% of the scale's potential
The process that results in the removal of orbital electrons from atoms resulting in the formation of ion
pairs is called: - ✅✅ionization
answers
The symbol R means: - ✅✅roentgen
The acronym rad means: - ✅✅radiation absorbed dose
The roentgen (R) exposure is measured in: - ✅✅air
The symbol mR means: - ✅✅milliroentgen
One roentgen or 1 R is equal to : - ✅✅1000 milliroentgen
The acronym rem stands for: - ✅✅roentgen equivalent man
The initialism QF stands for: - ✅✅quality factor
The quality factor for X-rays and gamma rays is : - ✅✅1
The quality factor for alpha (ray) particles is: - ✅✅20
Activity of radioactive material is measured in: - ✅✅curies
Becquerels and curies are units of measurement of: - ✅✅decay rate
Atoms that have excess energy and are unstable are known as: - ✅✅radioactive
, Elementary particle units with a negative electrical charge and a mass approximately equal to 1/1840
that of a proton are: - ✅✅electrons
Positively charged elementary particles with a mass approximately equal to 1840 times that of an
electron, or 1 AMU, are known as: - ✅✅protons
Uncharged elementary particles with a mass nearly equal to that of a proton are called: -
✅✅neutrons
The area known as the center of an atom is called the: - ✅✅nucleus
Any byproduct material that is encased in a capsule designed to prevent leakage or escape of the
byproduct material is a: - ✅✅sealed source
A tube through which the radioactive source travels when inside a radiographic exposure device is a/an:
- ✅✅S tube
Survey meters must be calibrated at intervals not to exceed: - ✅✅six months and/or after instrument
servicing except for battery changes
A survey meter must be capable of measuring a range of: - ✅✅2 to 1000 mR/h (0.02 to 10 mSv/h)
Becquerels and curies are units of measurement of: - ✅✅activity
An analog survey meter must be calibrated on each scale at two points approximately: - ✅✅33% and
66% of the scale's potential
The process that results in the removal of orbital electrons from atoms resulting in the formation of ion
pairs is called: - ✅✅ionization
