8 What is the A-weighted level for the following sound levels/frequency spectrum? Octave Band Centre Frequency 63 (Hz): Sound Pressure Level (dB): 83 a. 65 dBA b. 81 dBA c. 86 dBA d. 91 dBA 125 85 250 500 1000 2000 4000 8000 83 85 81 76 72 65

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8
What is the A-weighted level for the following sound levels/frequency spectrum?
Octave Band Centre Frequency 63
(Hz):
Sound Pressure Level (dB):
83
a. 65 dBA
b. 81 dBA
c. 86 dBA
d. 91 dBA
125 250 500 1000 2000 4000 8000
85 83 85
81 76 72 65
Transcribed Image Text:8 What is the A-weighted level for the following sound levels/frequency spectrum? Octave Band Centre Frequency 63 (Hz): Sound Pressure Level (dB): 83 a. 65 dBA b. 81 dBA c. 86 dBA d. 91 dBA 125 250 500 1000 2000 4000 8000 85 83 85 81 76 72 65
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