These types of detectors are the fastest to respond to fires although they are prone to false activations.

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Multiple Choice

These types of detectors are the fastest to respond to fires although they are prone to false activations.

Explanation:
Flame/Light detectors respond to the light and radiation directly emitted by a flame, so they pick up ignition essentially the moment flames appear. That makes them the fastest type of fire detector because they don’t wait for smoke to billow or heat to rise; they see the flame itself. The trade-off is a higher chance of false activations: bright ambient light, reflections, sunlight, welding arcs, or even other non-fire flames can trigger them. So they are extremely fast, but less selective in certain environments.

Flame/Light detectors respond to the light and radiation directly emitted by a flame, so they pick up ignition essentially the moment flames appear. That makes them the fastest type of fire detector because they don’t wait for smoke to billow or heat to rise; they see the flame itself. The trade-off is a higher chance of false activations: bright ambient light, reflections, sunlight, welding arcs, or even other non-fire flames can trigger them. So they are extremely fast, but less selective in certain environments.

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