Acceptable noise level for residential and business urban areas as per IS 4854 – 1968 is

Q. Acceptable noise level for residential and business urban areas as per IS 4854 – 1968 is

A.            25-35 dB

B.            40 -50 dB

C.            50 – 60 dB

D.            70 -80 dB

Answer: 40 -50 dB