NRRPT Radiological Protection Standards 2

Question 1

Under 10 CFR Part 20, what is the annual occupational dose limit for the lens of the eye?

Accepted Answer

15 rem (150 mSv)

Answer

10 CFR 20.1201 sets the annual occupational dose limit for the lens of the eye at 15 rem (150 mSv).

Question 2

The ALARA principle in radiological protection stands for:

Accepted Answer

As Low As Reasonably Achievable

Answer

ALARA stands for 'As Low As Reasonably Achievable,' requiring doses be kept below regulatory limits using reasonable means.

Question 3

According to ICRP recommendations, what tissue weighting factor (wT) is assigned to the gonads?

Accepted Answer

0.12

Answer

ICRP Publication 103 assigns a tissue weighting factor of 0.08 to the gonads; the value 0.12 applies to the colon, lung, stomach, and breast.

Question 4

Which NRC regulation establishes radiation protection programs for nuclear power plants?

Accepted Answer

10 CFR Part 20

Answer

10 CFR Part 20 establishes standards for protection against radiation applicable to all NRC licensees, including nuclear power plants.

Question 5

The concept of 'committed effective dose equivalent' (CEDE) accounts for radiation dose from:

Accepted Answer

Internal radionuclide intake integrated over 50 years

Answer

CEDE is the effective dose equivalent from internally deposited radionuclides, integrated over a 50-year period following intake.

(NRRPT) National Registry of Radiation Protection Technicians Practice Test