In a textile mill, workers spend 2 hours preparing stock in an area where the sound level is 92 dBA, and 2 hours 40 minutes around the machine area. The remainder of the 8-hour day is spent in an area where the sound level is 70 dBA. Determine the maximum sound level around the machine area that is allowable according to the OSHA criteria
In a textile mill, workers spend 2 hours preparing stock in an area where the sound level is 92 dBA, and 2 hours 40 minutes around the machine area. The remainder of the 8-hour day is spent in an area where the sound level is 70 dBA. Determine the maximum sound level around the machine area that is allowable according to the OSHA criteria
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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Question
In a textile mill, workers spend 2 hours preparing stock in an area
where the sound level is 92 dBA, and 2 hours 40 minutes around the
machine area. The remainder of the 8-hour day is spent in an area
where the sound level is 70 dBA. Determine the maximum sound
level around the machine area that is allowable according to the
OSHA criteria
Expert Solution
Step 1
Given data:
|
Working hours |
Sound level(dBA) |
|
2 |
92 |
|
8 |
70 |
|
2 hrs 40 min (or) 2.67 |
x |
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