1. Civil Engineering
  2. Environmental Engineering
  3. Permissible noise level in small confere...
Q.

Permissible noise level in small conference room is

A. 10 to 15 dB
B. 15 to 25 dB
C. 35 to 40 dB
D. 55 to 60 dB
E. None of the above
Answer» C. 35 to 40 dB
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