Q. Which one of the following is the permissible noise level of industrial areas in India during day time ?

  • (A) 45dB
  • (B) 65dB
  • (C) 75 dB
  • (D) 90 dB
✅ Correct Answer: (C) 75 dB

Published by Chandan Das ⭐ 6.78K Points at 12-Oct-2021 05:56 am in Science

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