Question

. What is the permissible noise level in residential areas during the night?

• A. 50 dB
• B. 55 dB
• C. 45 dB
• D. 40 dB

Answer 1

Answer:

C. 45 dB

The permissible noise limit in silent zones is 50 dB during the day and 40 dB at night. In residential areas, the limit is 55 dB during the day and 45 dB at night. n commercial areas, the limit is 65 dB during the day and 55 dB at night. In industrial areas, the limit is 75 dB during the day and 70 dB at night. In hospital areas, the permissible noise limit is 40 dB during the day.