ASNT - INDUSTRIAL RADIOGRAPHY
RADIATION SAFETY 2026 TEST KIT WITH
ACTUAL EXAM QUESTIONS AND CORRECT
ANSWERS GRADED A+
A tube through which the radioactive source travels when inside a
radiographic exposure device is a/an:
a. port tube
b. guide tube
c. S tube
d. exit tube Correct Answer c. S tube
Survey meters must be calibrated at intervals not to exceed:
a. three months and/or after instrument servicing except for
battery changes
b. six months and/or after instrument servicing except for battery
changes
c. annually and after instrument servicing except for battery
changes
,d. daily and after instrument servicing except for battery changes
Correct Answer b. six months and/or after instrument servicing
except for battery changes
A survey meter must be capable of measuring a range of:
a. 0 to 1000 mR/h (0 to 10 mSv/h)
b. 2 to 1000 R/h (0.02 to 10 Sv/h)
c. 0 to 1000 R/h (0 to 10 Sv/h)
d. 2 to 1000 mR/h (0.02 to 10 mSv/h) Correct Answer d. 2 to 1000
mR/h (0.02 to 10 mSv/h)
Becquerels and curies are units of measurement of:
a. physical size of the source
b. activity
c. gray per hour
d. roentgen per hour Correct Answer b. activity
An analog survey meter must be calibrated on each scale at two
points approximately:
a. 33% and 66% of the scale's potential
,b. 25% and 75% of the scale's potential
c. through the full range of the scale's potential
d. at the midpoint of the scale's potential Correct Answer a. 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:
a. excitation
b. radioactivity
c. decay
d. ionization Correct Answer d. ionization
The fact that gases bombarded by ionizing radiation become
conductors of electrical current make them useful in:
a. X-ray transformers
b. cathode tubes
c. detection equipment
d. gasses cannot conduct electrical charges Correct Answer c.
detection equipment
A dosimeter must be capable of reading a range of:
, a. 0-100 mR (0-1 mSv)
b. 0-200 mR (0-2 mSv)
c. 0-500 mR (0-5 mSv)
d. 0-1 R (0-10 mSv) Correct Answer b. 0-200 mR (0-2 mSv)
Pocket ion chambers must be capable of reading:
a. 100 mR (1 mSv)
b. 500 mR (5 mSv)
c. 200 mR (2 mSv)
d. 999 mR (9.99 mSv) Correct Answer c. 200 mR (2 mSv)
An exposure rate is measured by:
a. survey meter
b. a dosimeter
c. rate alarm
d. TLD/film badge Correct Answer a. survey meter
What dosimeters (dosimetric devices) are least affected by
moisture?
RADIATION SAFETY 2026 TEST KIT WITH
ACTUAL EXAM QUESTIONS AND CORRECT
ANSWERS GRADED A+
A tube through which the radioactive source travels when inside a
radiographic exposure device is a/an:
a. port tube
b. guide tube
c. S tube
d. exit tube Correct Answer c. S tube
Survey meters must be calibrated at intervals not to exceed:
a. three months and/or after instrument servicing except for
battery changes
b. six months and/or after instrument servicing except for battery
changes
c. annually and after instrument servicing except for battery
changes
,d. daily and after instrument servicing except for battery changes
Correct Answer b. six months and/or after instrument servicing
except for battery changes
A survey meter must be capable of measuring a range of:
a. 0 to 1000 mR/h (0 to 10 mSv/h)
b. 2 to 1000 R/h (0.02 to 10 Sv/h)
c. 0 to 1000 R/h (0 to 10 Sv/h)
d. 2 to 1000 mR/h (0.02 to 10 mSv/h) Correct Answer d. 2 to 1000
mR/h (0.02 to 10 mSv/h)
Becquerels and curies are units of measurement of:
a. physical size of the source
b. activity
c. gray per hour
d. roentgen per hour Correct Answer b. activity
An analog survey meter must be calibrated on each scale at two
points approximately:
a. 33% and 66% of the scale's potential
,b. 25% and 75% of the scale's potential
c. through the full range of the scale's potential
d. at the midpoint of the scale's potential Correct Answer a. 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:
a. excitation
b. radioactivity
c. decay
d. ionization Correct Answer d. ionization
The fact that gases bombarded by ionizing radiation become
conductors of electrical current make them useful in:
a. X-ray transformers
b. cathode tubes
c. detection equipment
d. gasses cannot conduct electrical charges Correct Answer c.
detection equipment
A dosimeter must be capable of reading a range of:
, a. 0-100 mR (0-1 mSv)
b. 0-200 mR (0-2 mSv)
c. 0-500 mR (0-5 mSv)
d. 0-1 R (0-10 mSv) Correct Answer b. 0-200 mR (0-2 mSv)
Pocket ion chambers must be capable of reading:
a. 100 mR (1 mSv)
b. 500 mR (5 mSv)
c. 200 mR (2 mSv)
d. 999 mR (9.99 mSv) Correct Answer c. 200 mR (2 mSv)
An exposure rate is measured by:
a. survey meter
b. a dosimeter
c. rate alarm
d. TLD/film badge Correct Answer a. survey meter
What dosimeters (dosimetric devices) are least affected by
moisture?
