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T0C - Safety

Technician Class

RF hazards: radiation exposure, proximity to antennas, recognized safe power levels, radiation types, duty cycle

13 questions

All T0A T0B T0C T1A T1B T1C T1D T1E T1F T2A T2B T2C T3A T3B T3C T4A T4B T5A T5B T5C T5D T6A T6B T6C T6D T7A T7B T7C T7D T8A T8B T8C T8D T9A T9B
T0C01

What type of radiation are radio signals?
T0C02

At which of the following frequencies does maximum permissible exposure have the lowest value?
T0C03

How does the allowable power density for RF safety change if duty cycle changes from 100 percent to 50 percent?
T0C04

What factors affect the RF exposure of people near an amateur station antenna?
T0C05

Why do exposure limits vary with frequency?
T0C06

Which of the following is an acceptable method to determine whether your station complies with FCC RF exposure regulations?
T0C07

What hazard is created by touching an antenna during a transmission?
T0C08

Which of the following actions can reduce exposure to RF radiation?
T0C09

How can you make sure your station stays in compliance with RF safety regulations?
T0C10

Why is duty cycle one of the factors used to determine safe RF radiation exposure levels?
T0C11

What is the definition of duty cycle during the averaging time for RF exposure?
T0C12

How does RF radiation differ from ionizing radiation (radioactivity)?
T0C13

Who is responsible for ensuring that no person is exposed to RF energy above the FCC exposure limits?