Question

10. Which of the following would be least effective in dealing with a work-related noise exposure problem?
a. Enclose the noise source with a barrier that reduces the noise level
by 50%.
b. Position the operator at a distance twice as far from the source of
the noise.
c. Rotate personnel so that each worker is exposed to the noise source
for only one-half shift.
d. Provide ear protection that cuts the noise level by one half.

Answer

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