what is decibel level of normal conversation?
Normal conversation at 3' 60-65dB: Telephone dial tone: 80dB: City Traffic (inside car) 85dB: Train whistle at 500', Truck Traffic: 90dB: Jackhammer ... OSHA Daily Permissible Noise Level Exposure: Hours per day: Sound level: 8: 90dB: 6: 92dB: 4: 95dB: 3: 97dB: 2: 100dB: 1.5: 102dB: 1: 105dB.5 ... - read more
What is DECIBEL LEVEL OF NORMAL CONVERSATION? Mr What will tell you the definition or meaning of What is DECIBEL LEVEL OF NORMAL CONVERSATION - read more
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