ASNT STUDY GUIDE INDUSTRIAL
RADIOGRAPHY RADIATION SAFETY EXAM PREP
SCRIPT 2026 FULL QUESTION SET APPROVED
◉ 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: 1 milliroentgen
◉ The acronym rem stands for. Answer: roentgen equivalent man
◉ The initialism QF stands for. Answer: quality factor
◉ The quality factor for X-ray and gamma rays is. Answer: 1
◉ The quality factor for alpha (ray) particles is. Answer: 1
◉ 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 swith a mass
approximately equal to 1840 times that of an electron, or 1 AMU, are
known as. Answer: protons
◉ Uncharged elementary particles with a mass nearly equal to 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 byproduct material is a:. Answer:
sealed source
, ◉ A tube through which the radioactive source travels when inside a
radiographic exposure device is a/an. Answer: S tube
◉ Survey meters must be calibrated at intervals not to exceed:.
Answer: six months and/or after instrument servicing except for
battery changes
◉ A survey meter must becapable 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% 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. Answer:
ionization
◉ The fact that gasses bombarded by ionizing radiation become
conductors of electrical current make them useful in. Answer:
detection equipment
RADIOGRAPHY RADIATION SAFETY EXAM PREP
SCRIPT 2026 FULL QUESTION SET APPROVED
◉ 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: 1 milliroentgen
◉ The acronym rem stands for. Answer: roentgen equivalent man
◉ The initialism QF stands for. Answer: quality factor
◉ The quality factor for X-ray and gamma rays is. Answer: 1
◉ The quality factor for alpha (ray) particles is. Answer: 1
◉ 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 swith a mass
approximately equal to 1840 times that of an electron, or 1 AMU, are
known as. Answer: protons
◉ Uncharged elementary particles with a mass nearly equal to 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 byproduct material is a:. Answer:
sealed source
, ◉ A tube through which the radioactive source travels when inside a
radiographic exposure device is a/an. Answer: S tube
◉ Survey meters must be calibrated at intervals not to exceed:.
Answer: six months and/or after instrument servicing except for
battery changes
◉ A survey meter must becapable 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% 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. Answer:
ionization
◉ The fact that gasses bombarded by ionizing radiation become
conductors of electrical current make them useful in. Answer:
detection equipment
