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With each of the noise sources running separately, measure the sound pressure levels using the A and C weighting scales at a point that is
- With each of the noise sources running separately, measure the sound pressure levels using the A and C weighting scales at a point that is about 5 feet from the primary (and as close as possible to the secondary) noise source.
Lp source 1 @ 5 ft ________80______dBA_______78_______dBC
Lp source 2 @ 5 ft ________69____dBA ________68_____dBC
- In comparing the respective sound pressure levels using A and C weightings, what do the data suggest about the frequency distribution of the noise from each of the sources?
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