The average vacuum cleaner typically reaches from 80-90 decibles.
Less than 80 decibles
yes it does 20 to 25 decibles
131 decibles is extremely loud. The noise from the loudest sporting events is about 131 decibles.
a normal conversation is a group of people talking about a subject.
10dBA - Normal Breathing 20dBA - Mosquito or Rustling Leaves 30dBA - A Whisper 40dBA - A Bubbling Brook, or a Refridgerator 50dBA - Normal Conversation 60dBA - Laugher 70dBA - Vaccuum Cleaner or Hairdryer 80dBA - City Traffic or a Garbage Disposal 90dBA - Motorcycle or Lawnmower I assume you're worried if a PC fan would be too loud for you;- lots of people would prefer a computer quieter than 40 decibles. I think anybody couldn't cope with a noisy 40dBA computer fan whilst trying to sleep.
No. It is not normal to have conversation with people that are not there.
Decibles, or a decible, is the unit of measure when measuring sound volume. For example, in a concert, the volume can be over 500 decibles.
Jake and Amir - 2007 Normal Conversation was released on: USA: 1 May 2012
decibles
109 decibles
188 decibles