IRRSP TEST PREP -INDUSTRIAL RADIOGRAPHY RADIATION SAFETY|QUESTIONS AND VERIFIED ANSWERS|GRADED A+|PASS ON FIRST ATTEMPT|BRAND NEW 2026/2027 UPDATE!!!!!

IRRSP TEST PREP -INDUSTRIAL RADIOGRAPHY RADIATION
SAFETY|QUESTIONS AND VERIFIED ANSWERS|GRADED A+|PASS
ON FIRST ATTEMPT|BRAND NEW 2026/2027 UPDATE!!!!!


52. A radiation area is defined as "an area accessible to individuals, in which they could re-
ceive

R. 2 mR/h (20 uSv/h)

b. 5 (50 uSv/h)

c. 50 mR/h (500 uSv/h)

d. 100 mR/h (1000 uSv/h) - ANSWER b. 5 (50 uSv/h)



53. A high radiation area is defined as "an area accessible to individuals, in which they could
receive ..."

a. 2 mR/h (20 uSv/h)

b. 5 mR/h (50 uSv/h)

c. 50 mR/h (500 uSv/h)

d. 100 mR/h (1000 uSv/h) - ANSWER d. 100 mR/h (1000 uSv/h)



54. A member of the public or unmonitored individual is allowed to receive up to, but not to
exceed:

a. 2 mR/h, 500 mR/year (20 uSv/year, 5000 uSv/year)

b. 2 mR/h, 100 mR/year (20 uSv/year, 1000 uSv/year)

c. 5 mR/h, 100 mR/year (50 uSv/year, 1000 uSv/year)

d. 5 mR/h, 500 mR/year (50 uSv/year, 5000 uSv/year) - ANSWER b. 2 mR/h, 100 mR/year
(20 uSv/year, 1000 uSv/year)



55. When performing radiography in the field, regulations require the radiographer to post
with physical barriers or signs the:

a.restricted area


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,b. radiation area

c. high radiation area and radiation area

d. restricted area and the high radiation area - ANSWER c. high radiation area and radia-
tion area



58. You have 24 exposures to make. Your shot time is 5 min per exposure and you're showing
30 mR/h (300 uSv/h). What will be your total dose at the end of the shift?

a. 30 mR (300 uSv)

b. 60 mR (600 uSv)

c. 120 mR (1200 uSv)

d. 240 mR(2400 uSv) - ANSWER b. 60 mR (600 uSv)



59. A radiographer is receiving 100 mR (1000 uSv) at the crank assembly. The crank assembly
is 25 ft (7.62 m) in length. Where would the "RADIATION AREa sign be posted?

a. 111.8 (34.08 m)

b. 221.3 ft (67.45 m)

c. 343.7 ft (104.76 m)

d. 176.8 ft (53.89 m) - ANSWER a. 111.8 (34.08 m)



60. A radiographer is receiving 100 mR/h (1000 uSv/h) at the crank assembly. The crank as-
sembly is 25 ft (7.62 m) in length. How long will it take for the radiographer to receive a total
dose of 50 mR (500 uSv)?

a. 30 min

b. 60 min

c. 90 min

d. 120 min - ANSWER a. 30 min



61. A non-declared pregnant radiographer or assistant may receive no more than:

a. 0.5 rem per year (5 mSv)


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, b. 5000 rem per year (50 Sv)

c. 100 mR per year (1000 uSv)

d. 5 R per year (50 mSv) - ANSWER d. 5 R per year (50 mSv)



62. A declared pregnant radiographer or assistant may receive no more than for the entire
pregnancy.

a. 500 mR (5000 usv)

b. 5000 mR (50 000 pSv)

c. 100 mR (1000 pSv)

d. 5 R (50 msv) - ANSWER a. 500 mR (5000 usv)



63. for An un-born fetus may receive no more than the entire pregnancy.

a.100 mR (1000 uSv)

b. 500 mR (5000 uSv)

c. 5 R (50 mSv)

d. 5000 mR (50 000 uSv) - ANSWER b. 500 mR (5000 uSv)



64. Your cobalt source of 61 Ci (2257 GBq) is exposed for one single 30-min exposure. This is
the only exposure that will be made that day. Assume a 14,0 R (140 mSv) per curie factor,
shooting through a 3 half-value collimator. Standing at 100 ft (30.48 m), what will your total
exposure be?

a. 11.0 mR (110 uSv)

b 5.3 (53 uSv)

c. 8.8 mR (88 uSv)

d. 4.4 mR (44 uSv) - ANSWER b 5.3 (53 uSv)



65.Assuming you have 88 Ci ofJr-192 (3256 GBq), where would you place pur high radiation
boundary? Assume a R factor of 5.2 R (52 mSv).

a. 68 (20.73 m)


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