Engineering, 19.07.2019 02:30 sar70
What is the equivalent sound pressure level for the following noise levels and durations a)- 93 db for 2.1 hours, b)-85 db for 2.5 hours, c)-95 db for 1.7 hours.
Answers: 2
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What is the equivalent sound pressure level for the following noise levels and durations a)- 93 db f...
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