Volume 4a Units, 1 and, 2 Flashcards
Which entity provides regulatory oversight for the use of radioactive materials by Air Force (AF) organizations?
USAF RICS
A rock rolling down a hill contains what form of energy?
Kinetic
As the kinetic energy in electrons increases, the ______
Farther they are from the nucleus
Who is the unit commander’s point of contact for radiation protection matters?
Unit Radiation Safety Officer
The amount of energy flowing through a given area in a certain amount of time refers to what measure of electromagnetic radiation?
Intensity
As the frequency becomes higher, wavelength becomes _______
Shorter
A tanning booth is a good example of which type of radiation?
Ultraviolet
The number of electromagnetic waves passing a certain point in one second is known as ______
Frequency
Which component amplifies the electromagnetic frequency (EMF) signal?
Transmitter
Which is an example of radiofrequency radiation (RFR) emitter found on Air Force bases?
Electronic Countermeasures
In what region of the radiofrequency radiation (RFR) spectrum do most radar operate?
Microwave
Which component transfers electromagnetic frequency (EMF) energy to the antenna?
Transmission Line
Which radiofrequency radiation (RFR) emitter should be the highest priority during the evaluation phase?
Ground Level Hazard
When evaluating these radiofrequency radiation (RFR) emitters, which repair and maintenance shops should be a higher priority than routine operations?
Short duration
Which radiofrequency radiation (RFR) environment would describe the exposure for customers at a golf course near an emitter?
Lower Tier
If the wavelength of a radiofrequency radiation (RFR) emission is 20 centimeters (cm), a waveguide designed for it must have one dimension that is at least _____
10 cm
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?
Upper Tier
Which is an example of an indirect effect of radiofrequency radiation (RFR)?
Electronic Interferences
What step is first in any radiofrequency radiation (RFR) hazard distance calculation?
Determine the average power
Multiplying peak power (in watts) by duty factor (DF) yields the average power for what type of system?
Pulsed Wave
What step must you take after obtaining radiofrequency radiation (RFR) meter readings in order to find the real power density?
Multiply by the correction factor
When performing radiofrequency radiation (RFR) measurements, always start _____
Further away from the antenna, than the calculated distance
Where should the surveyor hold the probe while conducting radiofrequency radiation (RFR) measurements?
In front of the surveyor’s body
Which radiofrequency radiation (RFR) control is specifically required for upper tier areas where frequencies are below 30 MHz?
Electrical safety Matting
Which type of control is not authorized to control radiofrequency radiation (RFR) exposure?
PPE
At the onset of a radiofrequency radiation (RFR) overexposure investigation, make sure the exposed individual gets a ______
Medical Evaluation
You must forward all documentation of radiofrequency radiation (RFR) overexposure investigation to the Air Force Institute for Occupational Health (AFIOH) if the exposures may have exceeded _____
Five times the PEL