Permissible noise level at Residential area during night time is:
Correct answer: A. 45 dB
- A. 45 dB
- B. 55 dB
- C. 75 dB
- D. 80 dB
Explanation
The commonly cited permissible residential noise limit during nighttime is 45 dB, lower than the daytime limit because quiet is more important for sleep. Exact legal limits can vary by country and regulation.
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