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HS&E HAPS practice question: Hot water and legionella (1 of 5)

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

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A water hygiene plan asks you to check the sentinel outlets.

What are sentinel outlets?

Choose one answer.

  1. A. Any outlets that are painted red for safety
  2. B. The overflow pipes outside the building
  3. C. The nearest and furthest outlets from the tanks
  4. D. The outlets fitted with the newest taps in the building
Show the answer and explanation

Answer: C

  • A. Wrong: Wrong. They are picked by distance from the tanks.
  • B. Wrong: Wrong. They are the nearest and furthest outlets.
  • C. Right: Right. HSE describes sentinel outlets as the nearest and furthest outlets from hot and cold water cylinders and tanks.
  • D. Wrong: Wrong. They are picked by distance from the tanks.

Explanation

Sentinel outlets are the nearest and furthest outlets from cylinders and tanks, used for temperature checks.

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