Some CSCS questions appear on virtually every sitting because they cover the most important on-site safety principles. Below are 12 of the most-repeated questions with full worked answers.
Practice Questions & Answers
Q1. What's the safe minimum distance from overhead power lines for plant?
A1. Defined by the cable's voltage; check the permit.
Q2. What does the term "competent person" mean?
A2. Someone with the training, knowledge and experience to do a task safely.
Q3. When is a method statement required?
A3. Whenever a task carries significant risk.
Q4. What's the maximum length of working day under WTR?
A4. 48 hours/week average over 17 weeks (workers can opt out).
Q5. What's the legal action for a slip hazard you discover?
A5. Cordon, sign and report immediately.
Q6. What's the role of a banksman?
A6. Guides plant operators safely around personnel and structures.
Q7. How often should a HAVS assessment be done?
A7. Annually as a minimum, more often if symptoms appear.
Q8. What's the safe distance to position a fire extinguisher from a fuel store?
A8. At least 6 metres.
Q9. What's the rule about lone working in confined spaces?
A9. Generally not allowed; if essential, with continuous communication and a permit.
Q10. What does a red safety sign indicate?
A10. Prohibition (do not).
Q11. What is an emergency stop button used for?
A11. Stop machinery in an emergency only.
Q12. What's the guideline for taking breaks under HSE?
A12. 20-min rest after 6 hours' work.
Tips to Pass
- Drill safety sign colours weekly.
- Watch CITB's revision videos.
- Make a one-page "cheat sheet" of distances and limits.
- Re-take mocks until you score 49/50 three times in a row.
- Don't cram — spread learning over 14 days.
Take the full mock test
Explore more in Professional Certification or browseall CSCS practice tests.
Related reading: How to Pass CSCS Test First Time.
Quick study plan
If you only have a fortnight to prepare, split your time into three blocks. Spend the first few days reading any official handbook or syllabus straight through — don't try to memorise yet, the goal is familiarity. Move on to topic-by-topic revision, focusing on the areas you found least intuitive on the first read. In the final week, switch to timed mock tests under exam conditions; mark every paper ruthlessly and read every explanation, including for questions you got right by guessing. Most candidates improve by 8–12 marks between their first and third mock simply by closing knowledge gaps this way.
Common myths to ignore
Three myths trip up more candidates than any single topic. The first is that "if I sit enough mocks, I'll spot the real questions on test day" — modern UK exam banks contain hundreds of items and the question you see on the day will probably be brand new to you. The second is that you can cram the night before; most assessments reward calm focus more than recent recall, and tired candidates make basic mistakes. The third is that the pass mark is the only thing that matters: aiming for a comfortable buffer of 5–10 marks above the threshold is the single best insurance against an unlucky paper.
What to do on test day
Plan to arrive 15–20 minutes early with valid photo ID — usually a UK driving licence or passport — and any booking confirmation you've been emailed. Eat something light beforehand, drink water but not so much that you'll need a comfort break mid-paper, and silence your phone before you walk through the door. Read every question twice, flag anything you're unsure of, and never leave a blank — there's no negative marking on the assessments most readers of this site sit, so a considered guess is always better than no answer at all.
Some CSCS questions appear on virtually every sitting because they cover the most important on-site safety principles. Below are 12 of the most-repeated questions with full worked answers.
Practice Questions & Answers
Q1. What's the safe minimum distance from overhead power lines for plant?
A1. Defined by the cable's voltage; check the permit.
Q2. What does the term "competent person" mean?
A2. Someone with the training, knowledge and experience to do a task safely.
Q3. When is a method statement required?
A3. Whenever a task carries significant risk.
Q4. What's the maximum length of working day under WTR?
A4. 48 hours/week average over 17 weeks (workers can opt out).
Q5. What's the legal action for a slip hazard you discover?
A5. Cordon, sign and report immediately.
Q6. What's the role of a banksman?
A6. Guides plant operators safely around personnel and structures.
Q7. How often should a HAVS assessment be done?
A7. Annually as a minimum, more often if symptoms appear.
Q8. What's the safe distance to position a fire extinguisher from a fuel store?
A8. At least 6 metres.
Q9. What's the rule about lone working in confined spaces?
A9. Generally not allowed; if essential, with continuous communication and a permit.
Q10. What does a red safety sign indicate?
A10. Prohibition (do not).
Q11. What is an emergency stop button used for?
A11. Stop machinery in an emergency only.
Q12. What's the guideline for taking breaks under HSE?
A12. 20-min rest after 6 hours' work.
Tips to Pass
- Drill safety sign colours weekly.
- Watch CITB's revision videos.
- Make a one-page "cheat sheet" of distances and limits.
- Re-take mocks until you score 49/50 three times in a row.
- Don't cram — spread learning over 14 days.
Take the full mock test
Explore more in Professional Certification or browseall CSCS practice tests.
Related reading: How to Pass CSCS Test First Time.



