ASNT STUDY GUIDE INDUSTRIAL
RADIOGRAPHY RADIATION SAFETY ACTUAL
EXAM PAPER 2026 QUESTIONS ANSWERS
GRADED A+
◉ The acronym rad means:
a. radiation absorbed dose
b. roentgen absorbed dose
c. roentgen acquired dose
d. radiation at death. Answer: a. radiation absorbed dose
◉ The roentgen (R) exposure is measured in:
a. tissue
b. water
c. a lab
d. air. Answer: d. air
◉ The symbol mR means:
,a. milliroentgen
b. microroentgen
c. megaroentgen
d. millirem. Answer: a. milliroentgen
◉ One roentgen or 1 R is equal to:
a. 100 milliroentgen
b. 1000 milliroentgen
c. 0.001 milliroentgen
d. 1 milliroentgen. Answer: b. 1000 milliroentgen
◉ The acronym rem stands for:
a. radiation equivalent man
b. radiation effect man
c. roentgen effect man
d. roentgen equivalent man. Answer: d. roentgen equivalent man
◉ The initialism QF stands for:
a. quantity factor
,b. quality frequency
c. quality factor
d. quality effective factor. Answer: c. quality factor
◉ The quality factor for X-rays and gamma rays is:
a. 1
b. 2
c. 10
d. 20. Answer: a. 1
◉ The quality factor for alpha (ray) particles is:
a. 1
b. 2
c. 10
d. 20. Answer: d. 20
◉ Activity of radioactive material is measured in:
a. curies
b. roentgens
, c. sieverts
d. grays. Answer: a. curies
◉ Becquerels and curies are units of measurement of:
a. physical size of the source
b. gray per hour
c. decay rate
d. roentgen per hour. Answer: c. decay rate
◉ Atoms that have excess energy and are unstable are known as:
a. radioactive
b. radioactivity
c. balanced
d. weighted. Answer: a. radioactive
◉ Elementary particles units with a negative electrical charge and a
mass approximately equal to 1/1840 that of a proton are:
a. electrons
b. protons
RADIOGRAPHY RADIATION SAFETY ACTUAL
EXAM PAPER 2026 QUESTIONS ANSWERS
GRADED A+
◉ The acronym rad means:
a. radiation absorbed dose
b. roentgen absorbed dose
c. roentgen acquired dose
d. radiation at death. Answer: a. radiation absorbed dose
◉ The roentgen (R) exposure is measured in:
a. tissue
b. water
c. a lab
d. air. Answer: d. air
◉ The symbol mR means:
,a. milliroentgen
b. microroentgen
c. megaroentgen
d. millirem. Answer: a. milliroentgen
◉ One roentgen or 1 R is equal to:
a. 100 milliroentgen
b. 1000 milliroentgen
c. 0.001 milliroentgen
d. 1 milliroentgen. Answer: b. 1000 milliroentgen
◉ The acronym rem stands for:
a. radiation equivalent man
b. radiation effect man
c. roentgen effect man
d. roentgen equivalent man. Answer: d. roentgen equivalent man
◉ The initialism QF stands for:
a. quantity factor
,b. quality frequency
c. quality factor
d. quality effective factor. Answer: c. quality factor
◉ The quality factor for X-rays and gamma rays is:
a. 1
b. 2
c. 10
d. 20. Answer: a. 1
◉ The quality factor for alpha (ray) particles is:
a. 1
b. 2
c. 10
d. 20. Answer: d. 20
◉ Activity of radioactive material is measured in:
a. curies
b. roentgens
, c. sieverts
d. grays. Answer: a. curies
◉ Becquerels and curies are units of measurement of:
a. physical size of the source
b. gray per hour
c. decay rate
d. roentgen per hour. Answer: c. decay rate
◉ Atoms that have excess energy and are unstable are known as:
a. radioactive
b. radioactivity
c. balanced
d. weighted. Answer: a. radioactive
◉ Elementary particles units with a negative electrical charge and a
mass approximately equal to 1/1840 that of a proton are:
a. electrons
b. protons
