Noise CSP Question 12/30/2009

This short audio-visual lecture describes the solution to the CSP Study Question emailed on 12/30/2009. Presented by Russell Bowen, CIH, CSP.

There are 4 machines in a work area. The noise level generated by machine A is 74 dB, the noise level generated by machine B is 88 dB, the noise level generated by machine C is 75 dB, and the noise level generated by machine D is 71 dB. What is the total noise level in the work area?

1. 77 dB
2. 88 dB
3. 91 dB
4. 308 dB

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