Exams / HS&E TUNN / Work in compressed air / Question 6

HS&E TUNN practice question: Work in compressed air (6 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

You are reviewing the plan for a compressed air tunnel.

What else do the regulations require because of the particular risks?

Choose one answer.

A. Nothing beyond normal tunnelling
B. Emergency procedures for the extra risks
C. A staff canteen in the air lock
D. Music in the working chamber

Show the answer and explanation

Answer: B

A. Wrong: Wrong. Compressed air work has extra requirements.
B. Right: Right. HSE says the regulations include emergency procedures, because of the particular risks of compressed air work.
C. Wrong: Wrong. HSE lists emergency procedures and health surveillance.
D. Wrong: Wrong. HSE lists emergency procedures and health surveillance.

Explanation

Compressed air work needs emergency procedures and health surveillance, as well as approved procedures.

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HSE: Work in compressed air, legislation

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