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HS&E PFW practice question: Extraction and RPE (1 of 5)

E. Specialist: HVACR – pipefitting and welding A free question from our original HS&E PFW practice exam. Try it, then open the answer to see why each option is right or wrong.

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A workshop manager says the open roller door gives enough ventilation for welding.

What does HSE say?

Choose one answer.

  1. A. An open door is all you need
  2. B. It is enough if the welder stands near it
  3. C. It is enough in winter, when the air is colder and moves more
  4. D. Natural ventilation isn't enough
Show the answer and explanation

Answer: D

  • A. Wrong: Wrong. Natural ventilation is not enough.
  • B. Wrong: Wrong. Natural ventilation is not enough.
  • C. Wrong: Wrong. Natural ventilation is not enough.
  • D. Right: Right. HSE says natural ventilation from open doors and windows is not sufficient to disperse welding fume.

Explanation

Open doors and windows don't disperse welding fume. Use LEV.

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