Exams / HS&E TUNN / Work in compressed air / Question 1
HS&E TUNN practice question: Work in compressed air (1 of 6) E. Specialist: Tunnelling A free question from our original HS&E TUNN practice exam. Try it, then open the answer to see why each option is right or wrong.
Last verified October 2026 against HSE guidance and the law ·How we write our questions
A tunnel will be driven in compressed air to hold back groundwater.
Which regulations apply?
Choose one answer.
A A. The Work in Compressed Air RegulationsB B. Only the Noise at Work RegulationsC C. No regulations, as it is undergroundD D. Only the client's own site rules and inductionShow the answer and explanation Answer: A
A. Right: Right. HSE says these regulations apply to those doing tunnelling and other construction work in compressed air.B. Wrong: Wrong. Compressed air work has its own regulations.C. Wrong: Wrong. Work in compressed air is tightly regulated.D. Wrong: Wrong. The Work in Compressed Air Regulations 1996 apply.Explanation Tunnelling in compressed air is covered by the Work in Compressed Air Regulations 1996.
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