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HS&E PLUM practice question: Gas work and gas safety (6 of 6)

E. Specialist: Plumbing (JIB) A free question from our original HS&E PLUM practice exam. Try it, then open the answer to see why each option is right or wrong.

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A worker wants to use a gas-fired heater to dry out a small room with no ventilation.

What does HSE say?

Choose one answer.

  1. A. Don't, as carbon monoxide could build up
  2. B. It is fine if the door is shut to keep heat in
  3. C. It is fine for short periods
  4. D. It is fine if nobody smells anything
Show the answer and explanation

Answer: A

  • A. Right: Right. HSE says gas equipment should not be used in poorly ventilated spaces, and must not make dangerous levels of carbon monoxide.
  • B. Wrong: Wrong. That would make carbon monoxide build up faster.
  • C. Wrong: Wrong. Carbon monoxide can kill quickly.
  • D. Wrong: Wrong. Carbon monoxide has no smell.

Explanation

Don't use gas appliances in poorly ventilated spaces: carbon monoxide can build up, and you can't smell it.

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