Question

Q6. The volume of a room is 1200m3

. The wall area of the room is 220m3

, The floor area is 120 m2

and the

ceiling area is 120m2

. The average absorption coefficient (1) for walls is 0.03 (ii) for the ceiling is 0.80 (iii)

for the floor is 0.06. Calculate the average sound absorption coefficient and the reverberation time. (110.40

sabine and 1.80 sec)​

Answer 1

The average absorption coefficient (1) for walls is 0.03 (ii) for the ceiling is 0.80