The range is 0dB to 194dB
If you listen to anything over 90dB for a long period of time your hearing will start to go bad.
See related link for more information
Chat with our AI personalities
The decibel scale is a logarithmic scale. Scroll down to related links and look at "Decibel - Wikipedia" and "Sound level meter - Wikipedia".
60 i think
It depends to the acceptable risk level in your company. Usually AFR=10 is acceptable in most companies.
AQL - acceptable quality level
There is no point in doing either one of these. A decibel, being the log of a ratio, is added to or subtracted from another decibel.