CDC 4b051 Vol 4a
Edit code 03 cdc 4b051 vol 4a
- 1.Which person is appointed by the wing commander and is the focal point for all aspects ofradiation protection?
- A.
Unit radiation safety officer
- B.
Command radiation safety officer
- C.
Installation radiation safety officer
- D.
Unit radiation safety committee officer
- 2.Which provides regulatory oversight for the use of radioactive materials by Air Force (AF)organizations?
- A.
AF Radioisotope committee (RIC)
- B.
Radiation safety committee (RSC)
- C.
AF Surgeon General’s office (USAF/SG).
- D.
Environmental protection agency (EPA).
- 3.Who is the unit commander’s point of contact for radiation protection matters?
- A.
Unit radiation safety officer
- B.
Command radiation safety officer
- C.
Installation radiation safety officer
- D.
Unit radiation safety committee officer
- 4.The more kinetic energy the electrons have, the
- A.
Closer they are to each other
- B.
Closer they are to the nucleus
- C.
Farther they are from each other
- D.
Farther they are from the nucleus
- 5.A rock rolling down a hill contains what form of energy?
- A.
Kinetic
- B.
Velocity
- C.
Potential
- D.
Centrifugal
- 6.What is the magnetic field also known as?
- A.
E field
- B.
H field
- C.
K field.
- D.
M field
- 7.The number of electromagnetic waves passing a certain point in one second is known as
- A.
Energy
- B.
Intensity
- C.
Frequency
- D.
Wavelength
- 8.As the frequency becomes higher, wavelength becomes
- A.
Slower
- B.
Longer
- C.
Faster
- D.
Shorter
- 9.The amount of energy flowing through a given area in a certain amount of time refers to whatmeasure of electromagnetic radiation?
- A.
Activity
- B.
Frequency
- C.
Intensity
- D.
Wavelength
- 10.What is the real concern due to the potential hazards associated with higher frequencies ofradiofrequency radiation?
- A.
Relationship between frequency and Plank’s constant.
- B.
Relationship between ionizing and non-ionizing radiation
- C.
Relationship between intensity and distance from the source
- D.
Relationship between wavelength and the size of body organs
- 11.A tanning booth is a good example of which type of radiation?
- A.
Gamma
- B.
Visible
- C.
Infrared
- D.
Ultraviolet
- 12.If the wavelength of a radiofrequency radiation (RFR) emission is 20 centimeters (cm), awaveguide designed for it must have one dimension that is at least
- A.
5 cm
- B.
10cm
- C.
20 cm
- D.
40 cm
- 13.In what region of the radio frequency radiation (RFR) spectrum doe most radar operate?
- A.
Infrared
- B.
Microwave
- C.
Low frequency
- D.
Communications
- 14.Which is an example of radio frequency radiation (RFR) emitter found on Air Force bases?
- A.
Cathode
- B.
Scanner
- C.
Laser pointer
- D.
Electronic countermeasures
- 15.Which radiofrequency radiation (RFR) health effect is the biological effect not associatedwith thermal absorption?
- A.
Thermal
- B.
Athermal
- C.
Indirect
- D.
Resonance
- 16.Which is an example of an indirect effect of radiofrequency radiation (RFR)?
- A.
Deoxyribonucleic acid (DNA) damage
- B.
Electronic interference
- C.
Energy reflection
- D.
Tissue heating
- 17.Which radiofrequency radiation (RFR) emitter should be the highest priority during theevaluation phase?
- A.
Inaccessible
- B.
Short duration
- C.
Climbing hazard
- D.
Ground-level hazard
- 18.Which radiofrequency radiation (RFR) emitter should be the second priority during theevaluation phase?
- A.
Inaccessible
- B.
Short duration
- C.
Climbing hazard
- D.
Ground-level hazard
- 19.When evaluating these radiofrequency radiation (RFR) emitters, their repair andmaintenance shops should be a higher priority than routine operations.
- A.
Inaccessible
- B.
Short duration
- C.
Climbing hazard
- D.
Ground-level hazard
- 20.If you need the radiofrequency radiation (RFR) permissible exposure limit (PEL) for radiation workers that have been trained and understand the hazards of exposure, you should look in the table for which environment?
- A.
Shielded
- B.
Unshielded
- C.
Upper tier
- D.
Lower tier
- 21.Which radiofrequency radiation (RFR) environment would describe the exposure forcustomers at a golf course near an emitter?
- A.
Shielded
- B.
Unshielded
- C.
Upper tier.
- D.
Lower tier
- 22.What is the first step in any radio frequency radiation (RFR) hazard distance calculation?
- A.
Solve for the antenna
- B.
Calculate the wavelength
- C.
Determine the average power
- D.
Determine the permissible exposure limit (PEL).
- 23.Which kind of system is described with the information below?
- A.
Laser
- B.
Pulsed wave
- C.
Ionizing source
- D.
Continuous wave
- 24.What step must you take after obtaining radio frequency radiation (RFR) meter readings in order to find the real power density?
- A.
Compensate for temperature
- B.
Multiply by the correction factor
- C.
Account for the calibration curve
- D.
Calculate the time-weighted average
- 25.Where should you hold the probe while conducting radio frequency radiation (RFR) measurements?
- A.
Above your head
- B.
Close to your body
- C.
In front of your body
- D.
To one side of your body
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