Smoke and Fume Elimination: Which two steps are performed first?

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Multiple Choice

Smoke and Fume Elimination: Which two steps are performed first?

Explanation:
The main idea is to first stop introducing heat or fumes, then create a clear path to purge them. Turning off the heat and cooling systems removes the source of heat and any ongoing fumes, reducing the amount of smoke being generated. Immediately after, opening ram air along with the doors and windows establishes a ventilation path that pulls in outside air and pushes the smoky air out of the cabin. This order—disable heat sources first, then ventilate—clears smoke more quickly and safely. Ventilating before turning off heat or evacuating without establishing ventilation would not eliminate smoke as effectively.

The main idea is to first stop introducing heat or fumes, then create a clear path to purge them. Turning off the heat and cooling systems removes the source of heat and any ongoing fumes, reducing the amount of smoke being generated. Immediately after, opening ram air along with the doors and windows establishes a ventilation path that pulls in outside air and pushes the smoky air out of the cabin. This order—disable heat sources first, then ventilate—clears smoke more quickly and safely. Ventilating before turning off heat or evacuating without establishing ventilation would not eliminate smoke as effectively.

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