The means of mechanical ventilation involve pulling the smoke and fire gases out through an opening and pushing ______into the structure and displacing the smoke and fire gases.

Question

Quizplus · Accepted Answer

The correct answer is B) fresh air. Mechanical ventilation involves using fans or blowers to push fresh air into a structure, thereby displacing smoke and fire gases and improving conditions inside.

The Means of Mechanical Ventilation Involve Pulling the Smoke and Fire