Choose one answer per question. All 24 questions are included; explanations follow checking. Practice target: 20/24; no time limit. Knowledge practice for the stated safety topic and jurisdiction; not an official examination, practical competence assessment or authorisation to work. Selection, hood positioning, commissioning, routine checks, examination and process changes. Reference checked 11 November 2026: https://www.hse.gov.uk/lev/employers.htm
