MCQOPTIONS
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| 1. |
When the same seminar hall is filled with audience, the reverberation time is recorded as 2.0 seconds. Then the total absorption of all acoustic materials (in m -sabines) will be |
| A. | 40 |
| B. | 80 |
| C. | 160 |
| D. | 320 |
| Answer» D. 320 | |