Above what decibel level is hearing protection required?

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Multiple Choice

Above what decibel level is hearing protection required?

Explanation:
Hearing protection is required whenever noise exposure goes over a threshold where the risk of hearing damage becomes real. Decibels measure sound intensity on a logarithmic scale, so higher levels pose more danger the longer you’re exposed. In safety practice, the boundary is set just over 84 decibels, meaning anything greater than 84 dB requires protection to keep exposure within safe limits. That’s why the best choice expresses protection is needed for exposure above 84 decibels.

Hearing protection is required whenever noise exposure goes over a threshold where the risk of hearing damage becomes real. Decibels measure sound intensity on a logarithmic scale, so higher levels pose more danger the longer you’re exposed. In safety practice, the boundary is set just over 84 decibels, meaning anything greater than 84 dB requires protection to keep exposure within safe limits. That’s why the best choice expresses protection is needed for exposure above 84 decibels.

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