Which of the following lists three controls used to limit RF exposure for radar operators?

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Multiple Choice

Which of the following lists three controls used to limit RF exposure for radar operators?

The main idea is that preventing RF exposure relies on three practical controls: increasing distance from the radar, using shielding to block or attenuate the energy, and limiting the time spent near the RF source. These three work together because RF intensity drops sharply with distance (inverse square law), shielding materials can absorb or reflect RF energy to reduce what reaches a person, and reducing the amount of time near the source lowers the total exposure dose. So, increasing distance, applying shielding, and limiting time near RF sources is the best combination of controls. The other options rely on equipment or actions that don’t meaningfully reduce RF exposure, or address unrelated hazards.

The main idea is that preventing RF exposure relies on three practical controls: increasing distance from the radar, using shielding to block or attenuate the energy, and limiting the time spent near the RF source. These three work together because RF intensity drops sharply with distance (inverse square law), shielding materials can absorb or reflect RF energy to reduce what reaches a person, and reducing the amount of time near the source lowers the total exposure dose.

So, increasing distance, applying shielding, and limiting time near RF sources is the best combination of controls. The other options rely on equipment or actions that don’t meaningfully reduce RF exposure, or address unrelated hazards.

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