- #1
ChloeYip
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Introduction to environmental engineering
1. Homework Statement
A sound level reading of 132 dB was taken near a construction site where some
chippers were being used. When only one chipper was working, the sound level
reading was 122 dB. Assume that all the chippers are located at the same point.
Estimate the number of chippers in operation when the reading of 132 dB was
obtained.
(The attached photo)
I have no idea how to do it...
Can anyone help me?
Thanks
1. Homework Statement
A sound level reading of 132 dB was taken near a construction site where some
chippers were being used. When only one chipper was working, the sound level
reading was 122 dB. Assume that all the chippers are located at the same point.
Estimate the number of chippers in operation when the reading of 132 dB was
obtained.
Homework Equations
(The attached photo)
The Attempt at a Solution
I have no idea how to do it...
Can anyone help me?
Thanks