All of the following are true of fusion except

It is the splitting apart of a nuclei

What is the correct path of an x-ray?

e- exit cathode, focus on target, strike anode, e- slowed or stopped

For blast hazards, the best protection includes:

Immediately falling to the ground and covering head with arms

What is the role of BE in Radiation Safety?

aid in identifying and controlling radiation hazards

What is BE’s role in heritage program?

survey items found to contain RAM

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Block 5 Part 1

100 termsStudBud Administration70 plays

Block 5: Radiation

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Questions 100

Answers

1
In general, monitoring is required for anyone who is likely to exceed______ or _____ of the ALI?
150mrem/2% ALI
100mrem/2% ALI
100rem/2%ALI
1.25rem/2% ALI
2
Collar dosimeters are always worn outside protective clothing. Other dosimeter worn w/ collar dosimeters are to be worn:
Outside Protective Clothing
Under Protective Clothing
Supervisor's Preference
Wearer's Preference
3
Who provides all relevant personal dosimetry info such as current or prior history of radiation exposures?
BE Technician
Radiation Worker
Workplace Supervisor
SGPB
4
What frequency range would you not feel the effects of EMF radiation until it's too late?
3 GHz to 300 GHz (skin heating)
100kHz to 3GHz (thermal)
3kHz to 5MHz (electro-stimulatory)
5
What is the sealed leaded glass enclosure that filters out lower energy photons?
Target
Anode
Window
Cathode
6
Long-term sampling is conducted over at least a ___ period up to ___ and should be conducted in a closed bldg condition
90 day, .5 year
70 day, 1 year
90 day, 1 year
80 day, .5 year
7
Short-term measurements are conducted for ______ days under closed building conditions
8
9
7
6
8
______ is the combining of two light nuclei to form heavier nucleus
supercritical fission
fission
implosion
fusion
9
Diagnostic imaging is comprised of low energy imaging that can be fixed or ?
mobile
rotational
fixed
stationary
10
All of the following are true of fusion except
Easier to occur for nuclei with smaller number of protons
It produces one high-energy, free neutron
It is the splitting apart of a nuclei
It is the combining of two light nuclei to form a heavier nucleus
11
Whole body dosimeters are sensitive to alpha, beta, gamma, x-ray and neutron radiation.
False
True
12
This component of an emitter generates and amplifies the signal
Transmission Line
Transmitter
Antenna
Receiver
13
Which is not included in the four basic design approaches to nuclear weapons
Staged
fissile assembly
Implosion
Boosted
14
For any individual who will internalize more than 2% of the ALI in a calendar year, what is required?
Biological Monitoring
Radiological Review
Radiation Monitoring
Dosimetry
15
Electron speed is controlled by
Exposure time
Time of day
Peak in kV
Milliamperes
16
What type of control is not an acceptable control method for EMF?
lead glasses
emf training
wave guides
enclosures
17
Where should a dosimeter be worn? (Whole Body)
Don’t wear one, they aren’t necessary
Over PPE
Without PPE
With PPE
18
Ability of an antenna to narrow the beam or focus the radiation emitted
Absolute gain
Gain
Antenna
Frequency
19
An interaction where a tightly bound electron absorbs excitation energy from the nucleus and is ejected from the atom
Radiative Capture
Fission
Inelastic scattering
Internal Conversion
20
What is the correct path of an x-ray?
focus on target, e- exit cathode, strike anode, e- slowed or stopped
e- exit cathode, strike anode, focus on target, e- slowed or stopped
focus on target, strike anode, e- exit cathode, e- slowed or stopped
e- exit cathode, focus on target, strike anode, e- slowed or stopped
21
All of the following are components of an X-ray unit except?
Painted glass
Anode
Window
Cathode
22
Thermal radiation CANT ignite wood frame bldgs/vegetation/combustible materials @ significant distances from ground zero
False
True
23
What wavelength does UV radiation fall between?
400 to 770 nm
770 to 1000 nm
100 to 400 nm
1000 to 1500nm
24
All of the following are applications of DU in the Air Force EXCEPT
X-ray tube target
Armor piercing ammunition
Tank and vehicle armor
Aircraft Counterweight
25
Expedited remediation shall be considered for elevated radon levels above ______ pCi/L.
10
20
30
40
26
A dosimeter with a SN beginning with 'LA' indicates:
Luminescence Altimeter
The city where it's made
Neutron Dosimeter
All dosimeters begin as 'LA'
27
The blast wave makes up _______ of the total energy.
75%
25%
50%
10%
28
Neutron dosimeters can also measure photon dose.
False
True
29
Radon is naturally occurring chemically inert radioactive gas formed by decay of naturally occurring U-238/Th-232/U-235
False
True
30
Which of the following is not required when sending radioactive materials to AFRRAD?
Quantity of each item and NSN number
Purchase price of material
Prior authorization
Physical/chemical form
31
The Air Force directly supports _____ of the three aspects of the nuclear triad
None
3
1
2
32
For blast hazards, the best protection includes:
Call 911
Immediately falling to the ground and covering head with arms
Immediately run outside the building
Wear PPE
33
Medical uses of x-ray include
Therapeutic
EOD
Research
Item inspection
34
What is the role of BE in Radiation Safety?
aid in identifying and controlling radiation hazards
issue permits and conduct training
ensure that workers follow safety procedures, prepare reports
perform official regulation write ups
35
What is BE’s role in heritage program?
dispose of radioactive materials
collect historical artifacts
survey items found to contain RAM
display USAF radiation history
36
Which factor affecting EMF Radiation absorption is the primary factor in determining energy absorption?
exposure duration
intensity
body or organ size
frequency of the emitter
37
Which of the following is an example of engineering controls?
Verbal warnings
EMF training
flashing lights or audibles
interlocks
38
Where should a dosimeter be stored when not in use?
In a Locker
Near a Door
Location Designated by IRSO
Next to Radiation Source
39
What term is used to describe an accident or malfunction of a nuclear reactor?
Empty Quiver
Faded Giant
Dull Sword
Broken Arrow
40
DoD housing, CDCs, and DoDEA schools must be mitigated within ______ years if levels are detected ABOVE 20 pCi/L.
2
1
3
4
41
Administrative controls used for BOTH IR and UV radiation are:
Interlocks on access points
Warning signs
Gloves
Curtains
42
Who ensures all personnel exposures are ALARA?
Workplace Supervisors
Radiation Workers
SGPB
BE
43
Which dosimeter evaluates exposure to head & lens of the eye.
Whole Body
Collar
Head
Extremity
44
Which of the following isotopes of Radon has a half-life significant enough to cause health concerns?
Rn-200
Rn-220
Rn-222
Rn-219
45
Who does the RIC grant permits to?
Permittee
URSO
IRSO
PRSO
46
Which report gives the summary of the quarterly occupational radiation exposures?
AF Form 1527-1
Listing 1499-2
AF Form 1527-2
Listing 1499-1
47
Neutron caught by nucleus of an absorber atom which leads to the emission of a photon to rid the atom of excess energy
Fission
Charged Particle Emission
Radiative Capture
Elastic Scattering
48
What organization within the AF provides centralized management of the disposition of radioactive material?
AFRAT
AFBRAD
AFRRAD
AFRIC
49
What is the document that governs the AF radioactive material?
AFMAN 40-201
AFMAN 48-201
AFI 40-102
AFI 48-202
50
Which report gives the quarterly occupational radiation exposures?
Listing 1499-1
AF Form 1527-1
Listing 1499-2
AF Form 1527-2
51
Which report gives the annual report of individual occupational exposures to ionizing radiation?
Listing 1499-2
Listing 1499-1
AF Form 1527-2
AF Form 1527-1
52
ECM pods are typically
Aircraft Mounted
Fire Control Radar
Mobile Systems
Ground Fixed
53
DU shrapnel and contamination result in long term damage to what two systems
GI and skeletal system
GI and Nervous system
Immune and Cardiac system
Kidneys and skeletal system
54
Extremity dosimeters should be worn under protective clothing.
True
False
55
A beta particle passing in a very close proximity to the nucleus of an atom will likely produce:
Bremsstrahlung
Gamma Radiation
Elastic Scattering
Inelastic Scattering
56
Isomeric transition is radioactive decay where nucleus rids itself of excess E by emitting a ____ to reach ground state
X-ray
Conversion electron
Positron
Gamma ray
57
Who is the regulatory oversight of radioactive materials used by Air Force organizations?
RIC
DOT
NRC
IRSO
58
Dosimeters are issued _____________ as specified by the IRSO.
Semi Annually
Monthly
All of the Above
Quarterly
59
What may also be worn with collar & extremity dosimeters?
Partial Body Dosimeters
Neutron Dosimeters
EMFR Dosimeters
Whole Body Dosimeters
60
In this nuclear incident - B-52 bomber carrying four Mark 28 hydrogen bombs collided with a KC-135 refueling aircraft.
Thule, Greenland
Palomares, Spain
61
Soil with radioactive contamination levels <1.2 MBq/m2 (s) was placed in 66G drums & shipped to the Savanna River Plant
Palomares, Spain
Thule, Greenland
62
All the following are common radioactive materials within the AF the is handled by AFRRAD except…?
Self illuminating exit signs
Ignition exciters
Compasses/watches
Radio communication equipment
63
What gland is the collar dosimeter ideally supposed to be placed near?
Pituitary
Adrenal
Thyroid
Pineal
64
What are the two organs most susceptible to the effects of EMF radiation?
brain and kidneys
skin and brain
Eyes and brain
eyes and gonads
65
Where is the ideal placement of a whole body dosimeter?
Below shoulders & above hips
Above shoulders & below hips
Wearer's preference
Any posterior location
66
Who supports installation commander on radiation protection issues and health/safety issues?
NRC
IRSO
DOT
RIC
67
UV sources include:
Welding and metal cutting
All of the above
Mercury lamps
Disinfection lamps
68
The amount of time a pulsed emitter is transmitting in 1 second is known as
Pulse repetition frequency
Pulse width
Antenna gain
Duty factor
69
In case of DU intake, the radiological properties are more harmful than the toxological properties.
False
True
70
According to Excerpt from AFI 48-148, chap 5...
False
True
71
Which report gives the cumulative history of individual occupational exposures to ionizing radiation?
AF Form 1527-1
Listing 1499-2
AF Form 1527-2
Listing 1499-1
72
Fun trivia! T or F: 4 times more people speak English as a 2nd language (compared to those who speak it as their 1st)
True
False
73
The most dangerous component of UV radiation is:
UVD
UVB
UVC
UVA
74
What isotope is used in reactors and weapons and is fissile?
U – 325
U – 334
U – 234
U – 235
75
The most hazardous route of entry for DU is:
Skin contact
Inhalation
Skin absorption
Ingestion
76
When shielding beta particles with high ‘Z’ materials, we must consider:
Fission
Bremsstrahlung
Radiative capture
Alpha particles
77
Maintenance and operations involving active weapons are still performed on ICBMs in which MAJCOM?
Air Force Global Strike Command
Air Combat Command
Air Force Special Operations Command
Air Force Materiel Command
78
Which of the following is not an isotopes of radon gas?
Rn-222
Rn-200
Rn-220
Rn-219
79
Thermal hazard makes up _______ of the energy of a detonation
75%
35%
50%
25%
80
What term is used to describe loss of control or theft of a nuclear weapon?
Empty Quiver
Faded Giant
Broken Arrow
Dull Sword
81
Is this statement true or false?
False
True
82
Which is the least technically complex and efficient design
Implosion
Staged
Gun assembly
Boosted
83
DoD housing, CDCs, and DoDEA schools must be mitigated within ______ years if levels are detected from 4-20 pCi/L.
1
4
2
3
84
Who collects, issues, and replaces dosimeters?
BE
PH
PRSO
USAFSAM
85
What is a man-made isotope?
Plutonium – 329
Plutonium - 239
Uranium - 234
Uranium - 235
86
Purpose: Designed to monitor occupational radiation exposures…..
Ion Gas Chamber
Dosimeters
Geiger Muller Meters
Ion Diffuser
87
Sort the following waves in order of increasing frequency
Microwaves, UV, Gamma, Infrared
Infrared, UV, Gamma, Microwaves
Microwaves, Infrared, UV, Gamma
Gamma, Infrared, UV, Microwaves
88
Nuclear radiation hazards makes up _________ of the total energy.
35%
100%
15%
50%
89
Which particle of decay comes from a heavy nucleus that does not have enough neutrons?
Alpha
Beta
Gamma
X-Ray
90
Focused high energy to kill target cells is used for _____ purposes.
EOD
Therapeutic
Diagnostic
Research
91
_____ attracts electrons.
Target
Window
Cathode
Anode
92
When a neutron strikes a nucleus causing the neutron to transfer much of its kinetic energy to the nucleus (both move)
Fission
Inelastic scattering
Elastic Scattering
Charged Particle Emission
93
If the eyes are exposed to IR radiation, ________ is a common biological effect.
Thermal stress
Vasodilation
Cataracts
Erythema
94
What is not a characteristic of Tritium?
Composed of 2 protons and 1 neutron
Emits low energy radiation
Daughter products are not a health concern
Used in both fission and fusion weapons
95
Which report must be signed by every individual on the dosimetry program along with the BE tech?
AF Form 1527-2
Listing 1499-2
Listing 1499-1
AF Form 1527-1
96
What is the most technically complex nuclear weapon design
Boosted
Implosion
Gun assembly
Staged
97
In this nuclear incident - Alpha radiation was in excess of 2,000,000 cpm on debris scattered throughout the burn area.
Palomares, Spain
Thule, Greenland
98
True or false, higher intensity equals larger hazard distance
True
False
99
All of the following would not be considered broken arrow except ?
Thule Island
All of the above
Palma, Spain
Palmores, Spain
100
Which of the following is not a common isotope at Air Force installations?
Fe-55
H-3
Co-57
H-2

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