NWSA RF Safety and Hazard Awareness 2

Question 1

What is the primary health concern from RF (radiofrequency) exposure for tower workers?

Accepted Answer

Thermal tissue heating that can cause burns and damage to internal organs

Answer

Hearing loss

Answer

Skin discoloration

Answer

Bone weakening

Question 2

What FCC regulation establishes the Maximum Permissible Exposure limits for RF radiation?

Accepted Answer

FCC OET Bulletin 65

Answer

FCC Part 15

Answer

FCC Part 97

Answer

FCC Universal Service Order

Question 3

What should a tower worker do if their personal RF monitor alarm activates while climbing?

Accepted Answer

Stop immediately, move away from the RF source, notify the ground crew, and do not proceed until the source is identified and power is reduced

Answer

Ignore it — alarms are usually false

Answer

Continue climbing but move faster through the area

Answer

Turn off the monitor to stop the alarm

Question 4

How does antenna type affect the RF hazard zone on a tower?

Accepted Answer

Different antenna types (sector, omnidirectional, microwave dish) create differently shaped radiation patterns and corresponding hazard zones

Answer

All antennas create identical hazard zones

Answer

Antenna type doesn't affect RF hazard levels

Answer

Only satellite antennas create hazard zones

Question 5

What is the 'controlled environment' classification in RF safety and who qualifies?

Accepted Answer

An area where workers are aware of RF exposure potential, trained in RF safety, and can control their exposure duration

Answer

Any fenced area is a controlled environment

Answer

A temperature-controlled equipment room

Answer

An area with no RF emissions

Question 6

What are the symptoms of acute RF overexposure that tower workers should recognize?

Accepted Answer

Warming or burning sensation of the skin, eye pain or discomfort, headache, and a metallic taste in the mouth

Answer

There are no symptoms of RF exposure

Answer

Immediate hearing loss

Answer

Skin turns blue