en two pumps are both operating, the sound pressure level at a distance of 10 m from the pumps is 101.8 dB. When pump A is turned off (only pump B operating), the measured sound pressure level at 10 m from the pu
en two pumps are both operating, the sound pressure level at a distance of 10 m from the pumps is 101.8 dB. When pump A is turned off (only pump B operating), the measured sound pressure level at 10 m from the pu
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When two pumps are both operating, the sound pressure level at a
distance of 10 m from the pumps is 101.8 dB. When pump A is
turned off (only pump B operating), the measured sound pressure
level at 10 m from the pumps is 97.0 dB. Determine the sound pressure level when pump B is turned off and only pump A is operating.
The sound waves are radiated through air at 228C (205.2K or 728F)
and 101.3 kPA (14.7 psia).
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