The absorption of a surface is the product of the ______ of the surface and its absorption coefficient.

In Summer, the outside air is hot and hence the process of air conditioning involves filtering, dehumidification and ___…

The intensity of sound depends on the ear of the listener.

If the direction of the wind is at 45° to one of the faces, negative pressure will be produced on ______

A _____________ produced by sound may shatter windows and can cause damage to the Plaster of walls.

The absorption ratio of a surface is the ratio of _______

If the direction of the wind is at 90° to one of the faces, positive pressure will be produced on ______

The rate of amount of water vapour present to the amount it would have contained, had it been saturated, is known as the…