janaeharris7215 janaeharris7215

07-03-2024
Physics

contestada

Four coal mills independently produce sound pressure levels of 94, 94, 96, 93 dBA, respectively. A power plant operator is inspecting the coal mills when they are operating at the same time. What is the total sound pressure level (dBA) that the plant operator is exposed to?

A) 378 dBA
B) 377 dBA
C) 383 dBA
D) 380 dBA

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