<prompt> Maximum permissible noise level in hospital wards is: March 201220-35 dBA35-40 dBA40-45 dBA50-60 dBA  <response>: Ans: A i.e. 20-35 dBA Acceptable noise levels Acceptable noise level in hospitals wards is 20-35 dBA Acceptable noise level in library is 35-40 dBA Acceptable noise level in conference is 40-45 dBA Acceptable noise level in restaurants and workshop is 40-60 dBA 