2. A machine is tested for sound power at the center of a room. The technician claims that the room is an anechoic room. Based on the sound pressures were measured at different locations, justify the technician's claim. Also, find the overall sound power of this machine, and the sound intensity at R=3m. R=lm (Lp, averaged at 10 locations) R-2m (Lp, averaged at 10 locations) Octave Center frequency (Hz) 16 31.5 63 125 250 500 1000 2000 4000 70 64 72 74 71 79 65 68 65 73 76 75 77 70 69 71 74 69
2. A machine is tested for sound power at the center of a room. The technician claims that the room is an anechoic room. Based on the sound pressures were measured at different locations, justify the technician's claim. Also, find the overall sound power of this machine, and the sound intensity at R=3m. R=lm (Lp, averaged at 10 locations) R-2m (Lp, averaged at 10 locations) Octave Center frequency (Hz) 16 31.5 63 125 250 500 1000 2000 4000 70 64 72 74 71 79 65 68 65 73 76 75 77 70 69 71 74 69
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