Free mock exam
Design & Zoning — Fire Alarm Systems (BS 5839-1) Practice
Free topic-focused mock exam: all 20 questions on Design & Zoning, drawn from the wider Fire Alarm Systems (BS 5839-1) bank. 35-minute timer, 70% to pass, worked explanation on every question. Use this when you've taken the full mock once and want to drill the topics you got wrong.
- Questions
- 20
- Time limit
- 35 min
- Pass mark
- 70% · 14/20
- Question bank
- 20
Free, no sign-up. Retake as many times as you like — the questions are reshuffled, with the answer order changed.
Sample questions
01What is the maximum number of detectors that should be connected to a single zone?
- ANo specific limit
- B20
- C32
- D50
Why: BS 5839-1 recommends a maximum of 32 detectors per zone for effective zone identification.
02What is the minimum mounting height for ceiling-mounted smoke detectors?
- A0.8m
- B0.6m
- C1.2m
- D1.0m
Why: Smoke detectors should be mounted at least 0.6m below the ceiling to avoid dead air spaces.
03In open-plan offices, what factor determines detector spacing?
- AThe number of staff employed
- BBoth ceiling height and furniture layout
- CThe colour of the floor covering
- DThe brand of detector fitted
Why: Detector spacing depends on both ceiling height and furniture layout, as obstructions and ceiling height affect smoke flow patterns.
Common questions
Is the Design & Zoning mock exam free?
Yes — 100% free, no sign-up needed. Questions are pulled at random from a substantial bank, with a worked explanation on every question after you submit.
Can I retake the mock exam?
Yes. Every attempt picks a different random selection and reshuffles the options, so each retake gives you genuinely new questions. No limit on retakes.
Does this count towards the real qualification?
No — this is independent practice material. To gain the actual qualification you need to sit the official assessment through an approved provider.
