ASNT Study Guide - Industrial
Radiography Radiation Safety
After 3 half of-lives, a cobalt source has stopped being active. It turned into in the beginning
88 Ci (3256 GBq). It is currently engaged in: a. Forty four Ci (1628 GBq)
b. 22 Ci (814 GBq)
c. 11 Ci (407 GBq)
d. Eight Ci (296 GBq) - ANS-c. Eleven Ci (407 GBq)
73 Ci of cobalt is uncovered for the full 60 minutes. Assume a 14.0 R/Ci/h aspect, taking
pictures via a 3 half-price collimator. What would the confined place be at the cold or
collimated facet of the collimator?
A. 149 feet (forty five.Forty two m)
b. 162 ft (forty nine.38 m)
c. 211 toes (sixty four.31 m)
d. 253 toes (seventy seven.44 meters) - ANS-d. 253 toes A manipulate panel in an X-ray
system must have sincerely visible which of the following statements?
A. Caution: while energized, ionizing radiation is released. B. Caution: when energized,
dangerous radiation is launched. C. Exercising warning: energized X-rays d. Threat:
radiation producing device - ANS-c. Warning: X-rays produced whilst energized
A declared pregnant radiographer or assistant might also get hold of no extra than
__________ for the complete being pregnant.
A. 500 mR (5000 uSv)
b. 5000 mR (50000 uSv)
c. One hundred mR (a thousand uSv)
d. 5 R (50 mSv) - ANS-a. 500 mR (5000 uSv)
A direct analyzing ionization chamber, inclusive of a dosimeter, has the benefit of presenting
an:
a. Accurate dose history for the month
b. On the spot dose history considering final time charged
c. A precise dosage charge d. On the spot dose rate - ANS-b. Instant dose history
considering the fact that ultimate time charged
Dosimeters determine: a. The dose rate b. Continuous publicity c. Weekly exposure
d. Dose received since the ultimate time it became charged - ANS-d. Dose acquired for the
reason that closing time it became charged
A dosimeter should be capable of analyzing various:
a. 0-a hundred mR (zero-1 mSv)
b. Zero-200 mR (zero-2 mSv)
kind of zero-500 mR (0-five mSv) d. 0-1 R (0-10 mSv) - ANS-b. Zero-two hundred mR (0-2
mSv)
A movie badge/TLD facts what?
A. Dose charge
b. Exposure fee
, c. The overall dose history for the wear length d. Daily dose - ANS-c. History of overall
doses over time "an area handy to individuals, wherein they could get hold of..." is the
definition of a high radiation vicinity. A. 2 mR/h (20 uSv/h)
b. 5 mR/h (50 uSv/h)
c. 50 mR/h (500 uSv/h)
ANS-d. One hundred mR/h (one thousand uSv/h), or d. One hundred mR/h A leak check
would be considered failed must the pattern examined go back a value extra than:
a. 0.0.5 Ci (185,000,000 Bq)
b. Zero.Half mCi (185,000 Bq)
c. Zero.1/2 uCi (185 Bq)
d. 0.Half nCi (zero.185 Bq) - ANS-c. Zero.Half uCi (185 Bq)
A man or woman who is unsupervised or a member of the overall public may get hold of as
much as, but not greater than: a. 2 mR/h, 500 mR/yr
5,000 uSv according to year, or 20 uSv/h b. 2 mR/h, 100 mR/yr
(20 uSv/h, one thousand uSv/yr)
c. Five mR/h, 100 mR/12 months
(1,000 uSv in line with 12 months, 50 uSv/h) d. Five mR/h, 500 mR/year
(50 uSv/h, 5000 uSv/year) - ANS-b. 2 mR/h, a hundred mR/12 months
(1,000 uSv/12 months, 20 uSv/h) A character who's being monitored can acquire up to 5000
mR (50000 uSv) yearly. What level of radiation exposure might be considered excessive for
that person? A. Exposures lasting extra than every week and exceeding a hundred mR (one
thousand uSv). B. Any exposure over 1250 mR (12500 uSv) in a quarter.
C. Any useless radiation publicity d. Exposures of 500 mR/h (5000 uSv) - ANS-c. Any
unnecessary exposure to radiation
A radiographer or assistant who has now not declared her pregnancy may additionally
acquire no more than: a. 0.5 rem according to year (five mSv)
b. 5000 rem according to year (50 Sv)
c. One hundred mR consistent with year (a thousand uSv)
d. 5 R according to year (50 mSv) - ANS-d. 5 R in step with yr (50 mSv)
A radiation location is defined as "an area on hand to people, wherein they could get hold
of..."
a. 2 mR/h (20 uSv/h)
b. 50 uSv/h at five mR/h c. 50 mR/h (500 uSv/h)
ANS-b. Five mR/h (50 uSv/h) - d. One hundred mR/h (a thousand uSv/h) A radiographer
and assistant are status in a 2 mR/h (20 uSv/h) discipline. What could the assistant's
general dose be after 4 h?
A. 2.Zero mR (20 uSv)
b. 4.Zero mR (40 uSv)
c. 6.0 mR (60 uSv)
d. 8.Zero mR (eighty uSv) - ANS-d. 8.0 mR (eighty uSv)
A radiographer has several avenues to are seeking steerage and recommend. The first
individual he or she can turn to is?
A. Their state or federal jurisdiction's hotline
b. Their program's radiation safety officer (RSO)
c. A senior technician
d. The NRC - ANS-b. Their software's radiation protection officer (RSO)
Radiography Radiation Safety
After 3 half of-lives, a cobalt source has stopped being active. It turned into in the beginning
88 Ci (3256 GBq). It is currently engaged in: a. Forty four Ci (1628 GBq)
b. 22 Ci (814 GBq)
c. 11 Ci (407 GBq)
d. Eight Ci (296 GBq) - ANS-c. Eleven Ci (407 GBq)
73 Ci of cobalt is uncovered for the full 60 minutes. Assume a 14.0 R/Ci/h aspect, taking
pictures via a 3 half-price collimator. What would the confined place be at the cold or
collimated facet of the collimator?
A. 149 feet (forty five.Forty two m)
b. 162 ft (forty nine.38 m)
c. 211 toes (sixty four.31 m)
d. 253 toes (seventy seven.44 meters) - ANS-d. 253 toes A manipulate panel in an X-ray
system must have sincerely visible which of the following statements?
A. Caution: while energized, ionizing radiation is released. B. Caution: when energized,
dangerous radiation is launched. C. Exercising warning: energized X-rays d. Threat:
radiation producing device - ANS-c. Warning: X-rays produced whilst energized
A declared pregnant radiographer or assistant might also get hold of no extra than
__________ for the complete being pregnant.
A. 500 mR (5000 uSv)
b. 5000 mR (50000 uSv)
c. One hundred mR (a thousand uSv)
d. 5 R (50 mSv) - ANS-a. 500 mR (5000 uSv)
A direct analyzing ionization chamber, inclusive of a dosimeter, has the benefit of presenting
an:
a. Accurate dose history for the month
b. On the spot dose history considering final time charged
c. A precise dosage charge d. On the spot dose rate - ANS-b. Instant dose history
considering the fact that ultimate time charged
Dosimeters determine: a. The dose rate b. Continuous publicity c. Weekly exposure
d. Dose received since the ultimate time it became charged - ANS-d. Dose acquired for the
reason that closing time it became charged
A dosimeter should be capable of analyzing various:
a. 0-a hundred mR (zero-1 mSv)
b. Zero-200 mR (zero-2 mSv)
kind of zero-500 mR (0-five mSv) d. 0-1 R (0-10 mSv) - ANS-b. Zero-two hundred mR (0-2
mSv)
A movie badge/TLD facts what?
A. Dose charge
b. Exposure fee
, c. The overall dose history for the wear length d. Daily dose - ANS-c. History of overall
doses over time "an area handy to individuals, wherein they could get hold of..." is the
definition of a high radiation vicinity. A. 2 mR/h (20 uSv/h)
b. 5 mR/h (50 uSv/h)
c. 50 mR/h (500 uSv/h)
ANS-d. One hundred mR/h (one thousand uSv/h), or d. One hundred mR/h A leak check
would be considered failed must the pattern examined go back a value extra than:
a. 0.0.5 Ci (185,000,000 Bq)
b. Zero.Half mCi (185,000 Bq)
c. Zero.1/2 uCi (185 Bq)
d. 0.Half nCi (zero.185 Bq) - ANS-c. Zero.Half uCi (185 Bq)
A man or woman who is unsupervised or a member of the overall public may get hold of as
much as, but not greater than: a. 2 mR/h, 500 mR/yr
5,000 uSv according to year, or 20 uSv/h b. 2 mR/h, 100 mR/yr
(20 uSv/h, one thousand uSv/yr)
c. Five mR/h, 100 mR/12 months
(1,000 uSv in line with 12 months, 50 uSv/h) d. Five mR/h, 500 mR/year
(50 uSv/h, 5000 uSv/year) - ANS-b. 2 mR/h, a hundred mR/12 months
(1,000 uSv/12 months, 20 uSv/h) A character who's being monitored can acquire up to 5000
mR (50000 uSv) yearly. What level of radiation exposure might be considered excessive for
that person? A. Exposures lasting extra than every week and exceeding a hundred mR (one
thousand uSv). B. Any exposure over 1250 mR (12500 uSv) in a quarter.
C. Any useless radiation publicity d. Exposures of 500 mR/h (5000 uSv) - ANS-c. Any
unnecessary exposure to radiation
A radiographer or assistant who has now not declared her pregnancy may additionally
acquire no more than: a. 0.5 rem according to year (five mSv)
b. 5000 rem according to year (50 Sv)
c. One hundred mR consistent with year (a thousand uSv)
d. 5 R according to year (50 mSv) - ANS-d. 5 R in step with yr (50 mSv)
A radiation location is defined as "an area on hand to people, wherein they could get hold
of..."
a. 2 mR/h (20 uSv/h)
b. 50 uSv/h at five mR/h c. 50 mR/h (500 uSv/h)
ANS-b. Five mR/h (50 uSv/h) - d. One hundred mR/h (a thousand uSv/h) A radiographer
and assistant are status in a 2 mR/h (20 uSv/h) discipline. What could the assistant's
general dose be after 4 h?
A. 2.Zero mR (20 uSv)
b. 4.Zero mR (40 uSv)
c. 6.0 mR (60 uSv)
d. 8.Zero mR (eighty uSv) - ANS-d. 8.0 mR (eighty uSv)
A radiographer has several avenues to are seeking steerage and recommend. The first
individual he or she can turn to is?
A. Their state or federal jurisdiction's hotline
b. Their program's radiation safety officer (RSO)
c. A senior technician
d. The NRC - ANS-b. Their software's radiation protection officer (RSO)
