Maximum permissible limit of industrial noise as recommended by World Health Organisation (WHO) is _____________ decibels?
Correct answer: B. 75
- A. 35
- B. 75
- C. 95
- D. 105
Explanation
The commonly quoted WHO recommended maximum for industrial noise in this type of question is about 75 dB. Values of 95 dB and above represent substantially hazardous workplace noise and generally require stricter exposure controls.
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