IRRSP Certification test 2025 bundle with 500
questions and correct verified answers/ Industrial
Radiography Radiation Safety Personnel IRRSP
EXAM latest 2025 (brand new!)
As a source is retracted into the shielded position from a
collimated exposure, the survey meter measurement
should? - ...ANSWER...✓✓Increase, then decrease
The term used to express the number of curies of
radioactivity per unit of source weight is? -
...ANSWER...✓✓Specific Activity
The best means to reduce exposure from an external
radiation is? - ...ANSWER...✓✓To optimize the factors of
time, distance, and shielding
Radioactive source leak tests are checked for? -
...ANSWER...✓✓Contamination from capsule rupture
Daily inspection of exposure equipment is? -
...ANSWER...✓✓Required each day prior to performing
radiography
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The lock which prevents unauthorized source exposure is
located? - ...ANSWER...✓✓At the control attachment end
of the exposure device
Guide tubes are primarily used to? -
...ANSWER...✓✓Provide protection to the sealed source as
it is moved from the shielded position to an exposed
position and back
Survey meters must be calibrated? (Which Scale) -
...ANSWER...✓✓On each available scale
Radioactive material is what category of packaging? -
...ANSWER...✓✓White
Survey meters must be calibrated on three scales at what
% step seperation? - ...ANSWER...✓✓33%
Alarm rate meters are required to sound audible warning
at what radiation intensity? - ...ANSWER...✓✓500 mR
,3|Page
Occupational dose means the dose received by an
individual........ - ...ANSWER...✓✓In a restricted area or in
the course of employment
A survey instrument used in industrial radiography allows
the radiographer to? - ...ANSWER...✓✓Determine the
radiation dose rate
An element is identified as having a nucleus with a
certain number of? - ...ANSWER...✓✓Protons
The purpose of operating and emergency procedures is
to? - ...ANSWER...✓✓Provide radiographic personnel with
specific guidance and instruction
The term "Curie" defines? - ...ANSWER...✓✓The activity of
a radioactive source
If an exposure device containing Co-60 is transported in
an open vehicle, what is the maximum radiation level
permitted on the surface of the package? -
...ANSWER...✓✓200 mR/hr
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During radiographic operations, the primary responibility
for ensuring ALARA principle is followed rests with? -
...ANSWER...✓✓The radiographer assigned to use the
source
Radiographic operations must be conducted with? -
...ANSWER...✓✓Operable survey instruments that have
been calibrated within the last 6 months
If the voltage applied to an x-ray tube is increased, x-rays
are produced having? - ...ANSWER...✓✓Shorter wave
length and more penertrating power.
The two types of radiation survey meters are? -
...ANSWER...✓✓Geiger-Mueler and Ionization Chamber
What units are required in all radiographic
documentation? - ...ANSWER...✓✓Becquerel, mR/hr,
Curies, Sieverts
How many meters are required at a job site? -
...ANSWER...✓✓A sufficient number of calibrated and