IRRSP Certification test 2025 bundle with 500
questions and correct verified answers/ Industrial
Radiography Radiation Safety Personnel IRRSP
EXAM latest 2025 (brand new!)
The Symbol R means:
a. rem
b. rad
c. roentgen
d. radiation - ...ANSWER...✓✓c. roentgen
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:
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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
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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
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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