As per Noise Pollution (Regulation and control) Act (2000), the permissible noise level (Leq) during the day for silence zones is:ध्वनि प्रदूषण (विनियमन और नियंत्रण) नियम, 2000 के अनुसार शांत क्षेत्रों (silence zone) के लिए दिन के समय अनुमेय ध्वनि स्तर (Leq) है:
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Correct answer: B. 50 dB(A)50 डेसिबल(A)
Explanation
Under the Noise Pollution (Regulation and Control) Rules, 2000 the ambient air quality standards for noise are: industrial 75/70, commercial 65/55, residential 55/45 and silence zone 50 dB(A) by day and 40 dB(A) by night (day = 6 a.m. to 10 p.m.).ध्वनि प्रदूषण (विनियमन और नियंत्रण) नियम, 2000 के अंतर्गत ध्वनि संबंधी परिवेशी मानक हैं: औद्योगिक 75/70, वाणिज्यिक 65/55, आवासीय 55/45 तथा शांत क्षेत्र में दिन में 50 डेसिबल(A) और रात्रि में 40 डेसिबल(A) (दिन = प्रातः 6 से रात्रि 10 बजे तक)।More People, Development and Environment questions
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