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HS&E Operatives practice question: Noise and vibration (6 of 7)

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

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Your gang needs to cut several hundred concrete blocks to size. Using a cut-off saw would mean hours of vibration each day.

What is the best way to reduce the vibration risk?

Choose one answer.

  1. A. Use a block splitter instead of a cut-off saw
  2. B. Wear two pairs of gloves
  3. C. Use the saw for longer but with fewer breaks
  4. D. Grip the saw tighter so it shakes less
Show the answer and explanation

Answer: A

  • A. Right: Right. HSE suggests changing the method, for example using block splitters instead of cut-off saws. That removes the vibration rather than just reducing it.
  • B. Wrong: Wrong. Gloves keep hands warm, but they don't stop much vibration.
  • C. Wrong: Wrong. Longer use increases your vibration exposure.
  • D. Wrong: Wrong. A tighter grip passes more vibration into your hands.

Explanation

The best way to reduce vibration is to change the method so the vibrating tool isn't needed. Then use low-vibration tools and share the work.

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