FREE PRACTICE TEST 47

CSCS Mock Test 47: 50 Questions

Practice the format people commonly call the “CSCS test”. The official assessment is the CITB Health, Safety & Environment Operatives test: 50 questions in 45 minutes with a 45/50 pass mark.

50 questions45 minutes45/50 targetInstant explanationsCoshh, Rpe And Hazardous Substances
Important: This is an independent FastQual practice test, not an official CITB test or official CITB question bank. Use it alongside current official revision materials.
45:00
Answered 0/50
Question 1 of 50High risk activities

Before entering a confined space, what should be in place?

Correct answer: A. Confined-space entry requires planning, atmospheric controls where needed, competent people and rescue arrangements.
Question 2 of 50High risk activities

Why are toe boards fitted to many work platforms?

Correct answer: C. Toe boards are part of edge protection and help contain materials on the platform.
Question 3 of 50High risk activities

Why are overhead power lines dangerous to cranes and plant?

Correct answer: A. Overhead lines can cause fatal electric shock through contact or arcing, so safe clearances and controls are essential.
Question 4 of 50Environmental & specialist awareness

What is the purpose of bunding around some fuel or chemical storage?

Correct answer: A. Secondary containment helps stop liquids spreading into soil or drainage systems.
Question 5 of 50Occupational health

Where can you find manufacturer information about the hazards and safe handling of a chemical product?

Correct answer: C. Safety Data Sheets provide hazard, handling, storage and emergency information for chemical products.
Question 6 of 50Working environment

What do green safety signs commonly identify?

Correct answer: A. Green signs are associated with safe conditions such as emergency exits and first-aid locations.
Question 7 of 50High risk activities

Why are banksmen used for some vehicle movements?

Correct answer: C. A trained banksman can guide movements and help keep people out of danger zones.
Question 8 of 50Safety

Why should emergency stop controls be kept unobstructed?

Correct answer: D. Emergency stops must be readily accessible if dangerous movement needs to be stopped quickly.
Question 9 of 50Working environment

What should you do if you are asked to carry out a task you have not been trained or authorised to do?

Correct answer: A. Workers should only undertake tasks for which they are competent, trained and authorised where required.
Question 10 of 50Environmental & specialist awareness

What is a good way to reduce dust leaving a construction site?

Correct answer: B. Source control and good housekeeping reduce airborne dust and off-site nuisance.
Question 11 of 50Occupational health

What is the first step before manually lifting a heavy or awkward load?

Correct answer: C. Manual handling should be planned; avoid or reduce the lift where possible and assess the load and route.
Question 12 of 50Safety

Why must safety devices on tools and machinery not be bypassed?

Correct answer: B. Defeating safety devices removes engineered protection and can expose workers to severe hazards.
Question 13 of 50Safety

Why should access to electrical panels be kept clear?

Correct answer: A. Electrical controls may need rapid access for isolation, inspection or emergency response.
Question 14 of 50Safety

If someone is receiving an electric shock from live equipment, what should you do first if it is safe?

Correct answer: D. You must avoid becoming a second casualty; safely isolate the power before contact.
Question 15 of 50Environmental & specialist awareness

Why should different waste streams be separated where the site system requires it?

Correct answer: D. Segregation can improve recycling and prevent contamination of recyclable or hazardous waste streams.
Question 16 of 50High risk activities

If a vehicle operator cannot see you, what should you assume?

Correct answer: C. Never rely on being seen; establish safe communication before entering a vehicle's operating area.
Question 17 of 50High risk activities

What should you maintain when climbing a ladder?

Correct answer: B. Maintaining secure contact improves stability and reduces the chance of a fall.
Question 18 of 50Environmental & specialist awareness

What should you do first if oil or fuel is spilled on site?

Correct answer: A. Prompt containment helps prevent pollution and allows correct clean-up and disposal.
Question 19 of 50Occupational health

What can prolonged exposure to high noise levels cause?

Correct answer: A. Noise-induced hearing loss can be permanent, so exposure should be controlled and hearing protection used where required.
Question 20 of 50Occupational health

What is a sensible action if you feel unwell from heat while working?

Correct answer: C. Heat illness can worsen quickly; early cooling, hydration and reporting are important.
Question 21 of 50High risk activities

What is the approximate safe setup rule for a leaning ladder?

Correct answer: B. The common 1-in-4 setup gives a leaning ladder an angle of about 75 degrees.
Question 22 of 50Environmental & specialist awareness

Why should spills be kept out of surface-water drains?

Correct answer: C. Many surface-water systems discharge to the environment, so pollutants must not enter them.
Question 23 of 50Occupational health

If a hearing-protection zone is marked, what should you do?

Correct answer: C. Mandatory hearing protection zones indicate that suitable hearing protection must be worn.
Question 24 of 50Occupational health

What is the best reason to report stress or mental-health concerns that are affecting safe work?

Correct answer: C. Wellbeing can affect concentration and decision-making; early support can help maintain safe performance.
Question 25 of 50Environmental & specialist awareness

How should asbestos waste be handled if produced by authorised asbestos work?

Correct answer: A. Asbestos waste requires strict packaging, labelling, transport and disposal controls.
Question 26 of 50Environmental & specialist awareness

Why are exclusion zones used around overhead lifting?

Correct answer: D. Exclusion protects people from dropped or moving loads.
Question 27 of 50Safety

What should you do if you find a fire door wedged open when it should be closed?

Correct answer: D. Fire doors are part of compartmentation and should not be defeated unless designed to be held open safely.
Question 28 of 50High risk activities

What should you do if a scaffold appears incomplete or has missing guardrails?

Correct answer: A. Incomplete scaffolds can expose users to falls; they should not be used until made safe.
Question 29 of 50Occupational health

Why is asbestos dangerous?

Correct answer: B. Inhaled asbestos fibres can cause fatal lung diseases with long latency periods.
Question 30 of 50Environmental & specialist awareness

What should happen if you discover contaminated soil during excavation?

Correct answer: D. Unexpected contamination should be assessed before further disturbance or disposal.
Question 31 of 50Safety

Before using a portable electrical tool, what should you check?

Correct answer: B. Pre-use checks can identify obvious damage before the tool is energised.
Question 32 of 50Safety

Why should compressed air not be used to clean dust from clothing or skin?

Correct answer: B. Compressed air can cause injection injuries and aerosolise hazardous dust.
Question 33 of 50Working environment

Why should you know the location of the site assembly point?

Correct answer: C. The assembly point allows people to be accounted for after an evacuation.
Question 34 of 50Working environment

If you see someone enter a clearly marked exclusion zone without authorisation, what is the safest response?

Correct answer: D. Unauthorised entry should be challenged safely and reported so the hazard remains controlled.
Question 35 of 50Working environment

What should you do with an access route that has become obstructed by materials?

Correct answer: D. Access and escape routes should be kept clear and usable.
Question 36 of 50Working environment

Why should near misses be reported?

Correct answer: C. Near-miss reporting helps identify weaknesses in controls and prevent recurrence.
Question 37 of 50Environmental & specialist awareness

Why should site lighting be directed carefully at night?

Correct answer: D. Lighting should support safe work without creating glare, distraction or unnecessary environmental impact.
Question 38 of 50High risk activities

Who should give standard signals to a crane or plant operator during a lifting operation?

Correct answer: A. Clear communication through a designated competent signaller helps prevent conflicting instructions.
Question 39 of 50Environmental & specialist awareness

What should you do if strong winds begin affecting a lifting or access operation?

Correct answer: C. Wind can affect cranes, MEWPs, towers and loads; manufacturer and lift-plan limits must be respected.
Question 40 of 50Occupational health

What can repeated skin contact with wet cement cause?

Correct answer: C. Wet cement is highly alkaline and can cause irritant dermatitis and serious burns.
Question 41 of 50Safety

What is the purpose of lock-off or isolation procedures?

Correct answer: C. Secure isolation helps prevent dangerous unexpected energisation or movement.
Question 42 of 50Occupational health

What is a common early symptom of hand-arm vibration syndrome?

Correct answer: A. Tingling, numbness and blanching of the fingers can be signs of vibration-related damage.
Question 43 of 50Working environment

What should you do if a safety barrier has been moved and no longer protects an opening?

Correct answer: C. Missing barriers can expose people to serious falls; the area should be secured and the defect reported promptly.
Question 44 of 50High risk activities

Why should lifting accessories such as slings be checked before use?

Correct answer: C. Lifting accessories must be suitable and free from defects that could compromise their strength.
Question 45 of 50Working environment

Why should designated pedestrian routes be used around moving plant?

Correct answer: D. Segregating pedestrians from moving vehicles is a key control for workplace transport risks.
Question 46 of 50Occupational health

Why should dust not be cleaned up by dry sweeping when it can be avoided?

Correct answer: A. Suitable vacuuming or wet methods can reduce airborne dust compared with dry sweeping.
Question 47 of 50Working environment

What should happen to site rules after induction?

Correct answer: C. Site rules remain in force because they form part of the site's risk controls.
Question 48 of 50Safety

If you spill a flammable liquid, what is the safest response?

Correct answer: A. Flammable spills can ignite and spread; site spill and fire controls should be followed.
Question 49 of 50Working environment

What does a blue circular safety sign usually mean?

Correct answer: B. Blue circular signs normally communicate mandatory actions such as wearing specified PPE.
Question 50 of 50Safety

What is a permit-to-work system used for?

Correct answer: C. Permits help ensure specified precautions are in place before and during high-risk work.

Your answers are now marked below. Review the explanations, then retake this test or move to another full mock.

Official format reference: CITB states that the Operatives HS&E test contains 50 questions, lasts 45 minutes and requires at least 45 correct answers. Check current CITB guidance.

Updated 2026-08-19. Questions are original revision content designed around common construction health, safety and environmental principles.

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