In a power plant the noise produced by the machinery is: Steam turbine 92 dB, generator 76 dB, pumps 72 dB. If all machines are running continuously, calculate the reduction in sound pressure level in dB that would result if the steam turbine is covered with a special soundproof enclosure so that people can work in this area without personal hearing protectors for 4 hours a day.
In a power plant the noise produced by the machinery is: Steam turbine 92 dB, generator 76 dB, pumps 72 dB. If all machines are running continuously, calculate the reduction in sound pressure level in dB that would result if the steam turbine is covered with a special soundproof enclosure so that people can work in this area without personal hearing protectors for 4 hours a day.
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
Problem 1.1MA
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In a power plant the noise produced by the machinery is:
Steam turbine 92 dB, generator 76 dB, pumps 72 dB. If all machines are running continuously, calculate the reduction in sound pressure level in dB that would result if the steam turbine is covered with a special soundproof enclosure so that people can work in this area without personal hearing protectors for 4 hours a day.
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