The term _____ is used to mean the free passage of clean air in a structure.

In rigid homogeneous walls, the transmission loss of a one-brick wall is _____

_______________ defect is due to the lack of reflecting surfaces near the source of sound and excessive absorption of so…

In the acoustical design of a studio, the ratio of height, breadth and length of the studio should be _____

The average height for small halls should be _____

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

________________ is the process by which the required amount of moisture is taken out from the air.

_____________ is the process by which the required amount of moisture is added in the air.