FUN 2 EO: 1.3 - Radiation Protection Tech.

FUN 2 EO: 1.3

1 / 15

What is the production reaction for radionuclide F-18?

18O(p,n)18F Water molecule

17O(n,p)17N Water molecule

16O(n,p)16N Water molecule

16O(p,α)13N Water molecule

2 / 15

How is Kr-85 produced?

Xe135→ Cs135 + β- + γ

Kr88→ Rb88 + β- + γ

16O(p,α)13N Water molecule

Kr85→ Rb85 + β- + γ

3 / 15

What is one main reason CRUD is undesirable?

Reduces efficiency of the reactor

Generates excess heat

Increases general radiation levels

Acts as a catalyst for further reactions

4 / 15

How is the radionuclide N-16 produced?

From the activation of water molecule

From transuranics in fuel

From impurities in reactor coolant

From fission reactions

5 / 15

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

They undergo spontaneous fission

They emit harmful gamma rays

They are often alpha emitters

They act as catalysts for further reactions

6 / 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

7 / 15

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

H-3

Co-58

Na-24

Ar-41

8 / 15

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

Cr-51

Fe-59

Mn-54

Co-58

9 / 15

How is the radionuclide F-18 formed?

From neutron capture reactions of 238U

As a trace impurity in the reactor coolant

As a fission product

From the activation of water molecule

10 / 15

What does Transuranic refer to?

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

Any element with an atomic number greater than that of uranium

11 / 15

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

Radiological decay of another nuclide

Trace impurities in the reactor coolant

Fission of heavy nuclei

Activation of water molecule

12 / 15

What does CRUD refer to?

Deposits of radioactive materials on core surfaces

Impurities in the reactor coolant system

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

Products formed after fission reactions

13 / 15

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

Air dissolved in water

Impurity in Water

Water molecule

Lithium addition for pH control

14 / 15

How is 239Pu formed from 238U?

Direct neutron capture without decay

Through the emission of gamma radiation

Neutron capture followed by several sequential β- decays

Via fusion reactions

15 / 15

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

59 Co (nth, γ )60Co

59 Co (nth, p)60Co

58Ni(nth, p)58Co

60Co (nth, γ )61Co

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