Exams / HS&E TUNN / Air, gases and confined spaces / Question 3
HS&E TUNN practice question: Air, gases and confined spaces (3 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 job could be done by sending someone into a confined space in a tunnel, or by using a camera from outside.
What does HSE say?
Choose one answer.
A A. Avoid the confined space if you canB B. Send someone in, as it is quickerC C. Go in, as cameras are unreliableD D. Send in the newest worker, so they can learnShow the answer and explanation Answer: A
A. Right: Right. HSE says wherever possible, avoid carrying out tasks in confined spaces.B. Wrong: Wrong. Avoid entry where the job can be done another way.C. Wrong: Wrong. Avoid entry where possible.D. Wrong: Wrong. Inexperience adds to the risk.Explanation Avoid working in confined spaces where the job can be done another way.
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