The location of _____ depends on various factors such as structural features, composition of openings, height of room, e…

______________ is very important to control the noise pollution near an Auditorium area.

Exhaust system, supply system, air conditioning, etc. comes under ____ type of ventilation system.

Which of the following statements is correct?

The general temperature difference between inside and outside of a room is not more than ________

The maximum rate of air change is ______

In __________ system, the use is made of doors, windows, ventilators and skylights to make the room properly ventilated.

Which of the following types of absorbents can absorb the sound of any frequency?