Noise produced by office equipment such as outlines in BS EN...information technology and telecommunications equipment Or alternatively noise produced by wind turbines BS EN 61400-11:2003 ...
1 Answers · Science & Mathematics · 15/08/2012
P( noise > 105db) = 0.047790 (calculated) http://davidmlane.com/hyperstat/z_table.html P( noise > 105db) ≈ 0.047833 (interpolated) http://www.statsoft.com/textbook/stathome.html?sttable.html&1
3 Answers · Science & Mathematics · 11/05/2008
...dp_cp_ob_e_title_1 Also record a conversation in your yard with the noise in the background so you have a basis of comparison when you use the recording.
4 Answers · Science & Mathematics · 04/07/2010
Made quieter jet engines, made sound walls on freeways, made better mufflers on small engines and car engines, made appliances run quieter, and designed...
3 Answers · Science & Mathematics · 27/12/2010
You need to estimate the number of vehicles per hour and the level of service for the intersections in the area. This data can then be used to estimate a reduction in traffic load. I'm assuming the added off ramp is being...
2 Answers · Science & Mathematics · 16/01/2010
We can not reduce the noise produced inside.Soundproof sealing is the only solution.
2 Answers · Science & Mathematics · 27/11/2010