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

The sound insulation of plastered solid brick masonry walls varies as ______

The speed at which the sound wave travels or passed through any medium is termed as the __________

The value of __________ depends on type of activity, geographical conditions, age of occupants, etc.

The velocity of sound in bricks is ______

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

Insulation of ______ over a base concrete floor is obtained by using resilient surface material on floors.

The amount of sound transmitted outside a room depends on the surface while the amount of sound reflected or absorbed de…