Acceptable noise level in industries -
Ans. is 'c' i.e., 40 50 dBAcceptable Noise levelsEnvironmentPlaceAcceptable noise level dB (A)ResidentialBed room25Living room40 Office35-45CommercialConference40-45 Restaurants40-60IndustrialWorkshoopWorkshoop40-6040-50EducationalClass room30-40Library35 - 40HospitalsWards20-35
25-30 dB
30-40 dB
40-50 dB
60-80 dB
Environment and Health