![For a residential area, the permissible L (time weighted average of the level of sound in decibels on scale A during the night time) is](https://www.gkseries.com/blog/wp-content/uploads/2022/05/For-a-residential-area-the-permissible-L-time-weighted-average-of-the-level-of-sound-in-decibels-on-scale-A-during-the-night-time-is.png)
Q. For a residential area, the permissible L (time weighted average of the level of sound in decibels on scale A during the night time) is
A. 35
B. 45
C. 55
D. 65
Answer: 45
A. 35
B. 45
C. 55
D. 65
Answer: 45
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