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A 4.6 m long, 350 mm diameter supply air duct has an induct sound power level of 70 dB at 2000 Hz. Using the Allen
A 4.6 m long, 350 mm diameter supply air duct has an induct sound power level of 70 dB at 2000 Hz. Using the Allen formula and the sound reduction indices given below, determine the breakout sound pow
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Engineering Mechanics Statics
Authors: Russell C. Hibbeler
11 Edition
9780132215091, 132215004, 132215098, 978-0132215008
