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HS&E MAP practice question: Noise and vibration (1 of 4)

B. Occupational health, wellbeing and welfare A free question from our original HS&E MAP practice exam. Try it, then open the answer to see why each option is right or wrong.

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A noise assessment shows workers on your site are exposed to 82 dB(A) on average each day.

What must the employer do at this level?

Choose one answer.

  1. A. Stop all work, as 82 dB(A) is above the limit
  2. B. Nothing, as action only starts at 90 dB(A)
  3. C. Make hearing protection zones compulsory across the site
  4. D. Assess the risk and give workers information and training
Show the answer and explanation

Answer: D

  • A. Wrong: Wrong. The exposure limit value is 87 dB(A).
  • B. Wrong: Wrong. Action starts at 80 dB(A).
  • C. Wrong: Wrong. Hearing protection zones are required at 85 dB(A), the upper action value.
  • D. Right: Right. HSE says 80 dB(A) is the lower exposure action value. Employers must assess the risk and give information and training.

Explanation

Noise action values: 80 dB(A) assess and train; 85 dB(A) hearing protection and zones; 87 dB(A) limit, not to be exceeded.

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