Computer · Environmental Engineering
What is the acceptable indoor noise level range for suburban areas, as per IS 4954:1968?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 145 – 55 dB
- 230 – 40 dB✓
- 320 – 30 dB
- 425 – 30 dB
Correct answer
30 – 40 dB
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