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B.E.E Block 5 > Block 7 Unit 1 & 2 > Flashcards

Block 7 Unit 1 & 2 Flashcards

1
Q

Who is the NRC (Nuclear Regulatory Commission)?

A

They are a independent agency created by Energy Reorganization Act of 1974

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2
Q

What AFMAN is associated with Ionizing Radiation Protection?

A

AFMAN 48-148

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3
Q

Who is the Radioisotope Committee? aka (RIC)

A

A Committee composed of members in the air force and is responsible for regulatory oversight use of radioactive materials

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4
Q

What does the IRSO (INSTALLATION RADIATION SAFETY OFFICER) do?

A

Provide consult to installation Commanders on radiation protection issues. In most cases the IRSO will be a BE with additional training. They also Establish and manage base radiation safety program.

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5
Q

Who is the Unit RSO and Permit RSO?

A

Both provide Consult to Org/Unit Commanders on radiation protection issues. The Permit RSO can only be assigned if the base has a USAF Radioactive Material Permit (RAM).

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6
Q

What role does BE play in Radiation safety

A

The main source and the experts on radiation hazards and biological effects from USAF School of Aerospace Medicine (USAFSAM) and the AFRL. BE also establishes the Ionizing radiation safety program.

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7
Q

What is Ionizing radiation?

A

A form of energy

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8
Q

What does the atom Consist of?

A

A nucleus and electron cloud

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9
Q

Describe Protons

A

Positively charged subatomic particles. The number of protons determine the element

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10
Q

Describe Neutrons

A

Uncharged subatomic particles aka neutral charge

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11
Q

Describe Electrons

A

Negatively charged subatomic particles

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12
Q

What is Atomic Mass

A

The Total measure of the subatomic particles. Neutrons + Protons = Atomic Mass

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13
Q

What are Isotopes

A

Sub classes of the main element ex. Cobalt-59 has 27 protons and 32 neutrons Cobalt 60 has 27 protons and 33 neutrons hence why its called cobalt 60

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14
Q

What is Binding energy?

A

It is the energy needed to hold a nucleus together it is also the amount needed to break it

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15
Q

What is Ionization Potential?

A

The amount of ionization potential needed to ionize the LEAST tightly bound electron in an atom

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16
Q

Describe Radiation energy

A

It is energy that is emitted or transmitted from a source of particles or waves. Waves of radiation is know as X-ray and Gamma rays

17
Q

What is Radioactivity?

A

When the spontaneous transformation of an unstable atom that emits radiation occurs.

18
Q

What is alpha decay?

A

The process when the radioactive process particle that has two neutrons and two protons is ejected form the nucleus of a radioactive atom. The two neutrons and protons make the Alpha particle

19
Q

What is the Difference between Alpha, Beta, Neutron decay and Gamma Decay?

A

Alpha, Beta, and Neutron are all Particles while Gamma is a ray like X-ray

20
Q

What is Beta Decay?

A

The emission of electrons-like particles from the nucleus of an atom. They are made either by Protons convert into neutron or vise versa

21
Q

What are Neutron Emissions?

A

A high speed nuclear particle that’s capable to induce radioactivity in other atoms. This process is called nuclear activation

22
Q

What are Linear Energy Transfer (LET)

A

As ionized radiation passes through a medium some of its charge is put into the atom.

23
Q

What is High LET

A

Matter that ionizes over a very short distance. Alpha particles have the highest form of radiation.

24
Q

What is Low LET

A

Matter that produces fewer ionizations per path length

25
Q

What is bremsstrahlung

A

When a fast beta particle or electron gets close to the nucleus

26
Q

Photoelectric effects

A

low energy photon strikes a atom resulting in ionization of the atom and the ejection of a energized neutron

27
Q

Compton Scattering

A

When Both electron and Photon scatter away from each other

28
Q

Pair production

A

Occurs when a high energy photon enter the area around nucleus the energy then converts into the mass of two photons and the rest is left as kinetic energy then these two photons are opposite charges from one another

29
Q

What are the three Neutron interactions

A

Elastic scattering - When a neutron collides with a nucleus resulting in a slower neutron and a recoiling nucleus
Inelastic scattering - When the kinetic energy of a system is changed, meaning the neutron transfer so the target nucleus
Neutron capture - a special kind of inelastic scattering where the neutron in stead of bouncing off is rather absorbed only if low enough kinetic energy and the nucleus has a high enough cross section

B.E.E Block 5 (12 decks)

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