Discussion
Match List-I and List-II containing different areas/zones and limits of noise levels in day time :
| List I (Category of Areas/Zones) | List II (Day-time noise limits in dB) |
|---|---|
| (a) Residential Area | (i) 75 |
| (b) Silent Zone | (ii) 65 |
| (c) Commercial Area | (iii) 55 |
| (d) Industrial Area | (iv) 50 |
Answer: D
The correct match is (a)-(iii), (b)-(iv), (c)-(ii), (d)-(i).
Under the Noise Pollution (Regulation and Control) Rules, 2000, the day-time limits are: industrial area 75 dB(A), commercial area 65 dB(A), residential area 55 dB(A) and silence zone 50 dB(A).
So residential is (iii) 55, silent zone (iv) 50, commercial (ii) 65 and industrial (i) 75. Every other option gives commercial areas 75 dB, the industrial limit, or mixes up residential and silent zones.
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