NRRPT - National Registry of Radiation Protection Technicians Radioactive Material Control Questions and Answers

Question 1

According to 10 CFR 20.1904, what action is required before disposing of an empty, uncontaminated container that previously held radioactive material?

Accepted Answer

The radioactive material label must be removed or defaced.

Answer

The container must be filled with shielding material.

Answer

A final radiation survey must be attached to the container.

Answer

The container must be stored for a period of ten half-lives.

Question 2

A technician is preparing to dispose of radioactive waste via decay-in-storage (DIS). According to NRC guidance, what is the maximum permissible half-life for a radionuclide to be eligible for this disposal method?

Accepted Answer

120 days

Answer

30 days

Answer

60 days

Answer

90 days

Question 3

Which of the following is a key requirement for securing licensed radioactive materials stored in an unrestricted area, according to 10 CFR 20.1801?

Accepted Answer

The material must be secured from unauthorized removal or access.

Answer

The area must be monitored by video surveillance at all times.

Answer

A radiation protection technologist must be present in the vicinity.

Answer

The storage container must be double-locked.

Question 4

A package containing radioactive material has a surface dose rate of 45 mrem/hr and a dose rate of 0.8 mrem/hr at 1 meter. Which DOT radioactive material label must be affixed to this package?

Accepted Answer

RADIOACTIVE YELLOW-II

Answer

RADIOACTIVE WHITE-I

Answer

RADIOACTIVE YELLOW-III

Answer

FISSILE

Question 5

A radiation worker is tasked with moving a highly radioactive source. Which of the following actions best represents the 'Distance' principle of ALARA?

Accepted Answer

Using long-handled tongs to move the source.

Answer

Completing the task as quickly as possible.

Answer

Wearing a lead apron during the task.

Answer

Performing a dry run of the task in a non-radioactive area.

Question 6

Upon receiving a package of radioactive material, what is the initial action a radiation protection technician should perform?

Accepted Answer

Visually inspect the package for any signs of damage.

Answer

Immediately open the package to verify the contents.

Answer

Store the package in a lead-lined cabinet.

Answer

Log the package into the inventory system.