b. A hall has a volume of 5600 m³ and reverberation time of 1.28 sec. If (290 + R) cushioned chairs are additionally placed in the hall, what will be the new reverberation time of the hall? The absorption of each chair is 0.1 0.W.U. R=30

b. A hall has a volume of 5600 m³ and reverberation time of 1.28 sec. If (290 + R) cushioned chairs are additionally placed in the hall, what will be the new reverberation time of the hall? The absorption of each chair is 0.1 0.W.U. R=30

Electric Motor Control

10th Edition

ISBN:9781133702818

Author:Herman

Publisher:Herman

Chapter3: Magnetic Starters

Section: Chapter Questions

Problem 30SQ

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b. A hall has a volume of 5600 m³ and reverberation time of 1.28 sec. If (290 + R) cushioned chairs
are additionally placed in the hall, what will be the new reverberation time of the hall? The
absorption of each chair is 0.1 O.W.U.
R=30

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