Question

ventilation in room works on the principle of what ?​

Answer 1

Answer:

piston principal.......

Answer 2

Answer:

here is your answer

Explanation:

In a ventilation system based on the piston principle the supply air moves through the rooms like a "piston". The piston principle can be regarded as an extreme variant of the displacement system with a minimum of turbulence in the air flow passing through the room. PLEASE MARK THE BRAINLIEST. HOPE IT HELPS