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HS&E DUCT practice question: Isolating fans and plant (5 of 5)

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

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Maintenance on a large air handling plant is high risk, with several trades involved.

What may be needed?

Choose one answer.

  1. A. A shorter shift for everyone
  2. B. A notice in the canteen
  3. C. Nothing beyond a quick chat
  4. D. A permit to work
Show the answer and explanation

Answer: D

  • A. Wrong: Wrong. A formal system of work is needed.
  • B. Wrong: Wrong. A formal system of work is needed.
  • C. Wrong: Wrong. High-risk work needs a formal system.
  • D. Right: Right. HSE says formal systems such as a permit to work are needed in some cases for high-risk maintenance.

Explanation

Use a permit to work for high-risk maintenance.

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