Question
Which of the following zones are correctly matched with their permitted noise level?
1) Industrial --------- 90 dB
2) Commercial ----- 75 dB
3) Residential ------- Silence Zone
4) Courts ------------- 55 dB
A
Only 1 and 2
B
Only 2 and 3
C
Only 3
D
None of the above
View Answer
Answer & Explanation
Answer: All of the above
