The noise level in a factory with 12 identical machines running is 80 dB. At night, the factory must comply with local noise regulation not to exceed 75 dB. How many machines can be used at the night shift

The noise level in a factory with 12 identical machines running is 80 dB. At night, the factory must comply with local noise regulation not to exceed 75 dB. How many machines can be used at the night shift

Automotive Technology: A Systems Approach (MindTap Course List)

6th Edition

ISBN:9781133612315

Author:Jack Erjavec, Rob Thompson

Publisher:Jack Erjavec, Rob Thompson

Chapter22: Basics Of Electronics And Computer Systems

Section: Chapter Questions

Problem 4RQ: Means that data concerning the effects of the computers commands are fed back to the computer as an...

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The noise level in a factory with 12 identical machines running
is 80 dB. At night, the factory must comply with local noise
regulation not to exceed 75 dB. How many machines can be
used at the night shift

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