Smoke conditions guide firefighters by indicating:

• A. To determine property value for appraisal
• B. To assess the need for backup units
• C. To guide fire attack and ventilation decisions
• D. To identify suspects

Answer: (C)

Smoke conditions reveal how the fire is behaving and what tactical actions will be most effective, especially in deciding where and how to attack and how to ventilate. By watching color, density, flow, and movement of the smoke, firefighters infer the fire’s location, growth stage, and whether conditions are trending toward flashover or backdraft. This information helps determine whether to employ an interior attack, where to place a hoseline, and how to coordinate ventilation to control the fire’s airflow and heat load.

The other options don’t fit because the smoke readout isn’t used to determine property value, assess the need for additional units in isolation, or identify suspects.