Question

In _____________ system, some mechanical arrangement is adopted to provide enough ventilation to the room.

(a) Natural ventilation

(b) Skylight

(c) Artificial ventilation

(d) Man made

I have been asked this question during an internship interview.

Origin of the question is Types of Ventilation topic in chapter Acoustics and Ventilation of Construction & Building Materials

Answer 1

Right answer is (c) Artificial ventilation

To explain: Mechanical or Artificial ventilation has become popular due to recent change in notion regarding ventilation. At present, the ventilation is required not nearly to furnish warm air or cool air. But the ventilation system should provide air of such qualities regarding humidity, temperature, etc.