FUN 2 EO: 1.3 - Radiation Protection Tech.

FUN 2 EO: 1.3

1 / 15

How is Kr-85 produced?

Kr85→ Rb85 + β- + γ

Kr88→ Rb88 + β- + γ

16O(p,α)13N Water molecule

Xe135→ Cs135 + β- + γ

2 / 15

Which radionuclide is produced from the shorthand production reaction 50Cr(nth, γ)51Cr?

Fe-59

Co-58

Cr-51

Mn-54

3 / 15

Why can Transuranics have a significant impact on the radiological controls required?

They undergo spontaneous fission

They act as catalysts for further reactions

They emit harmful gamma rays

They are often alpha emitters

4 / 15

How is the radionuclide F-18 formed?

As a fission product

From the activation of water molecule

From neutron capture reactions of 238U

As a trace impurity in the reactor coolant

5 / 15

What is the production reaction for radionuclide F-18?

16O(p,α)13N Water molecule

18O(p,n)18F Water molecule

17O(n,p)17N Water molecule

16O(n,p)16N Water molecule

6 / 15

What does CRUD refer to?

Products formed after fission reactions

Metal oxides formed due to oxidation or corrosion of metallic surfaces in contact with the coolant

Impurities in the reactor coolant system

Deposits of radioactive materials on core surfaces

7 / 15

What is one main reason CRUD is undesirable?

Reduces efficiency of the reactor

Acts as a catalyst for further reactions

Generates excess heat

Increases general radiation levels

8 / 15

What is the origin of Radionuclide H-3 production reaction?

Water molecule

Impurity in Water

Air dissolved in water

Lithium addition for pH control

9 / 15

What does Transuranic refer to?

Any element with an atomic number greater than that of uranium

Elements that capture neutrons and emit alpha radiation

Elements that are naturally present in the reactor coolant

Any element that undergoes fission in the reactor

10 / 15

How is 239Pu formed from 238U?

Neutron capture followed by several sequential β- decays

Via fusion reactions

Through the emission of gamma radiation

Direct neutron capture without decay

11 / 15

What is a common source for the production of the radionuclide N-17?

Fission of heavy nuclei

Radiological decay of another nuclide

Trace impurities in the reactor coolant

Activation of water molecule

12 / 15

Which radionuclide is produced through the shorthand reaction 23Na(n,γ)24Na?

Na-24

Ar-41

H-3

Co-58

13 / 15

How is the radionuclide N-16 produced?

From the activation of water molecule

From impurities in reactor coolant

From transuranics in fuel

From fission reactions

14 / 15

The radionuclide N-13 is produced from which source?

Air dissolved in water

Activation of water molecule

Lithium addition for pH control

Impurity in Water

15 / 15

Which production reaction correctly represents how Co-60 is produced?

60Co (nth, γ )61Co

59 Co (nth, p)60Co

58Ni(nth, p)58Co

59 Co (nth, γ )60Co

Your score is

PreviousFUN 2 EO: 1.3Next

Share your results with your friends!!