FREE PRACTICE TEST 08

CSCS Mock Test 08: 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 explanationsExcavation, Services And Confined Spaces

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 50Occupational health

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

A. Only wear protection when machinery stopsB. Wear the specified hearing protectionC. Ignore the sign if you are there brieflyD. Use headphones instead

Correct answer: B. Mandatory hearing protection zones indicate that suitable hearing protection must be worn.

Question 2 of 50Environmental & specialist awareness

What should happen to concrete washout water?

A. It should be spread across soilB. It should be managed in a designated system and kept out of drains and watercoursesC. It is harmless once dilutedD. It should be poured into the nearest drain

Correct answer: B. Concrete wash water is highly alkaline and can pollute water and soil.

Question 3 of 50Safety

What should you do if a machine guard is missing?

A. Ask someone to watch the moving partsB. Use the machine slowlyC. Wear thicker gloves and continueD. Do not use the machine and report it

Correct answer: D. Guards are a primary control against contact with dangerous moving parts.

Question 4 of 50Working environment

What is the safest action if lighting in a work area is too poor to see hazards clearly?

A. Stop or delay the task until suitable lighting is providedB. Work more slowly without reporting itC. Ask a colleague to stand nearbyD. Use a phone torch and continue

Correct answer: A. Adequate lighting is needed to see hazards, access routes and the work itself safely.

Question 5 of 50Occupational health

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

A. It damages broomsB. It makes the floor too shinyC. Dry sweeping can put fine dust back into the airD. It creates static only

Correct answer: C. Suitable vacuuming or wet methods can reduce airborne dust compared with dry sweeping.

Question 6 of 50Working environment

What is the main purpose of site welfare facilities?

A. To replace first-aid arrangementsB. To provide suitable toilets, washing, drinking water and rest facilitiesC. To store hazardous chemicalsD. To provide free tools

Correct answer: B. Suitable welfare arrangements support hygiene, health and safe working conditions.

Question 7 of 50High risk activities

What should happen before digging where underground services may be present?

A. Rely on memory of old plansB. Start with a mechanical excavatorC. Pour water on the areaD. Check service information, locate services with suitable equipment and use safe digging methods

Correct answer: D. Planning, service plans, locating devices and safe digging practices help prevent striking buried services.

Question 8 of 50Occupational health

How can outdoor workers reduce harm from strong sunlight?

A. Work shirtlessB. Avoid drinking waterC. Use suitable clothing, shade and sunscreen and take sensible breaksD. Use welding goggles as sunglasses

Correct answer: C. UV exposure can damage skin; protective clothing, sunscreen and shade reduce risk.

Question 9 of 50Environmental & specialist awareness

What should you do with batteries and other potentially hazardous small items?

A. Place them in the designated waste/recycling streamB. Throw them into firesC. Leave them outdoorsD. Put them in general food waste

Correct answer: A. Batteries can contain hazardous materials and should follow the site's designated disposal route.

Question 10 of 50Environmental & specialist awareness

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

A. Add more people as ballastB. Follow the equipment/plan limits and stop if conditions are unsafeC. Remove wind-speed checksD. Continue because the schedule is fixed

Correct answer: B. Wind can affect cranes, MEWPs, towers and loads; manufacturer and lift-plan limits must be respected.

Question 11 of 50Environmental & specialist awareness

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

A. Wash it into a surface-water drainB. Ignore small spillsC. Cover it with soil and leave itD. Stop the source if safe, contain the spill and follow the site's spill procedure

Correct answer: D. Prompt containment helps prevent pollution and allows correct clean-up and disposal.

Question 12 of 50High risk activities

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

A. Do not use it and report the defectB. Use it if you stay near the wallC. Add a rope as a handrail yourselfD. Use it only below the first lift

Correct answer: A. Incomplete scaffolds can expose users to falls; they should not be used until made safe.

Question 13 of 50High risk activities

What should you do if you lose sight of the banksman while operating plant under their guidance?

A. Continue slowlyB. Reverse to where you last saw themC. Stop until communication is re-establishedD. Sound the horn and keep moving

Correct answer: C. Loss of communication can put people at risk; movement should stop until the signal system is restored.

Question 14 of 50High risk activities

Who should operate an excavator, telehandler or similar plant?

A. Anyone with a car licenceB. Any worker over 18C. A trained, competent and authorised operatorD. A labourer if supervised from a distance

Correct answer: C. Plant operation requires competence and site authorisation appropriate to the equipment and task.

Question 15 of 50Occupational health

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

A. Only managers can raise such concernsB. Support and adjustments may help prevent errors and protect wellbeingC. It automatically leads to dismissalD. It is unrelated to safety

Correct answer: B. Wellbeing can affect concentration and decision-making; early support can help maintain safe performance.

Question 16 of 50Safety

Why should access to electrical panels be kept clear?

A. So they can be safely reached for operation or emergency isolationB. So tools can be stored nearbyC. To allow water to drainD. To improve Wi-Fi signal

Correct answer: A. Electrical controls may need rapid access for isolation, inspection or emergency response.

Question 17 of 50Safety

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

A. Ignore it if it evaporates quicklyB. Wash it into a drainC. Cover it with paperD. Control ignition sources, follow the spill procedure and report it

Correct answer: D. Flammable spills can ignite and spread; site spill and fire controls should be followed.

Question 18 of 50Occupational health

Why is fatigue a safety and health concern?

A. It can reduce concentration, judgement and reaction timeB. It makes hearing protection unnecessaryC. It only affects office workersD. It improves risk awareness

Correct answer: A. Fatigue can impair performance and increase the likelihood of mistakes and incidents.

Question 19 of 50High risk activities

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

A. As vertical as possibleB. One unit out for every one unit upC. About one unit out for every four units upD. Four units out for every one unit up

Correct answer: C. The common 1-in-4 setup gives a leaning ladder an angle of about 75 degrees.

Question 20 of 50Occupational health

Why is health surveillance used for some construction hazards?

A. To detect early signs of work-related ill health where appropriateB. To measure productivity onlyC. To replace risk controlsD. To decide who can take breaks

Correct answer: A. Health surveillance can help detect early effects of exposure, but it does not replace prevention and control.

Question 21 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?

A. Try it once to gain experienceB. Explain that you are not competent or authorised and seek instructionC. Do it only if no supervisor is watchingD. Ask another untrained worker to help

Correct answer: B. Workers should only undertake tasks for which they are competent, trained and authorised where required.

Question 22 of 50Working environment

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

A. Put a warning note nearby and carry onB. Report it and make sure the area is secured before exposure continuesC. Assume someone else will fix itD. Wait until the end of the shift

Correct answer: B. Missing barriers can expose people to serious falls; the area should be secured and the defect reported promptly.

Question 23 of 50High risk activities

If work at height cannot be avoided, what should be prioritised?

A. Removing edge protection for accessB. Working fasterC. Collective protection such as suitable platforms and guardrailsD. Relying only on a worker's balance

Correct answer: C. Collective fall prevention protects everyone and is generally preferred before personal fall protection.

Question 24 of 50Safety

Why are reduced-voltage systems such as 110 V commonly used on construction sites?

A. They make tools twice as powerfulB. They are waterproofC. They remove the need for electrical inspectionsD. They can reduce the severity of electric-shock risk compared with standard mains voltage

Correct answer: D. Reduced-voltage supplies can reduce shock risk, but equipment still needs correct use and maintenance.

Question 25 of 50Safety

Before changing a blade or accessory on a power tool, what should you normally do?

A. Ask a colleague to hold the bladeB. Isolate the tool from its power sourceC. Remove the guard permanentlyD. Keep the trigger pressed

Correct answer: B. Isolation prevents accidental start-up while hands are near the cutting or moving parts.

Question 26 of 50Working environment

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

A. It is where tools are issuedB. You may need to report there during an emergency evacuationC. It is the normal lunch areaD. It is where deliveries are signed for

Correct answer: B. The assembly point allows people to be accounted for after an evacuation.

Question 27 of 50Safety

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

A. That the lead is as long as possibleB. That the casing has your initialsC. That it is the heaviest tool availableD. That it appears in good condition and any required inspection status is current

Correct answer: D. Pre-use checks can identify obvious damage before the tool is energised.

Question 28 of 50Environmental & specialist awareness

Why must waste skips not be overfilled?

A. It makes the skip too easy to liftB. It only affects appearanceC. Materials can fall out during use or transportD. It improves recycling

Correct answer: C. Overfilled skips create falling-object, transport and litter risks.

Question 29 of 50Occupational health

What should you do before using a hazardous substance you have not used before?

A. Mix it with waterB. Use it outdoors without further checksC. Smell it to identify the hazardD. Check the assessment, label/SDS and required controls

Correct answer: D. You should understand the hazards, exposure routes and controls before use.

Question 30 of 50Environmental & specialist awareness

Why should you never ride on the forks or bucket of plant equipment?

A. It can scratch the paintB. They are not designed as personnel platforms and a fall or crushing injury can resultC. It is allowed if the operator agreesD. It slows the engine

Correct answer: B. People should only be lifted using equipment designed and authorised for lifting persons.

Question 31 of 50Environmental & specialist awareness

Why should fuel containers be stored in a suitable designated area?

A. To make them easier to hideB. To warm the fuelC. To keep them near drainsD. To reduce fire and pollution risk and allow spill containment

Correct answer: D. Suitable fuel storage helps prevent leaks, ignition and environmental contamination.

Question 32 of 50Working environment

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

A. Follow them into the zoneB. Ignore them because they accepted the riskC. Remove the signsD. Warn them if safe to do so and inform the responsible supervisor

Correct answer: D. Unauthorised entry should be challenged safely and reported so the hazard remains controlled.

Question 33 of 50Environmental & specialist awareness

Why is environmental incident reporting important?

A. It is unnecessary for small sitesB. Only to calculate wagesC. It replaces spill responseD. It allows prompt control, clean-up and prevention of recurrence

Correct answer: D. Reporting helps limit impacts and supports corrective action.

Question 34 of 50Working environment

Why are toolbox talks used on construction sites?

A. To replace all formal qualificationsB. To allocate annual leaveC. To inspect payroll recordsD. To discuss short, relevant safety topics with the workforce

Correct answer: D. Toolbox talks provide focused, practical reminders about hazards, controls and safe working methods.

Question 35 of 50Safety

What is the first priority if you discover a fire?

A. Save toolsB. Raise the alarm and follow the emergency procedureC. Open all doorsD. Continue working unless flames are large

Correct answer: B. Raising the alarm allows others to evacuate and emergency arrangements to begin.

Question 36 of 50Safety

If someone has a serious injury, what should you do?

A. Leave them alone to recoverB. Move them immediately regardless of dangerC. Raise the alarm/get first aid and emergency help in line with site proceduresD. Give them food

Correct answer: C. Serious injuries require prompt first-aid and emergency response; unnecessary movement can worsen some injuries.

Question 37 of 50High risk activities

Why must demolition work be carefully planned?

A. Only noise needs controllingB. Structures can become unstable and hazards such as services and hazardous materials must be controlledC. Planning is only required for tall buildingsD. Demolition is safe once windows are removed

Correct answer: B. Demolition can create collapse, falling material, service, dust and hazardous-material risks.

Question 38 of 50Environmental & specialist awareness

Why are exclusion zones used around overhead lifting?

A. To improve radio receptionB. To create a rest areaC. To prevent people entering areas where loads or objects could fall or swingD. To keep vehicles clean

Correct answer: C. Exclusion protects people from dropped or moving loads.

Question 39 of 50Occupational health

What should you do if you unexpectedly disturb material that you suspect may contain asbestos?

A. Sweep up the dustB. Put the material in a normal waste skipC. Keep working but wear glovesD. Stop work, avoid further disturbance and report it

Correct answer: D. Suspected asbestos should not be disturbed; stop work and follow the site's asbestos procedures.

Question 40 of 50Occupational health

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

A. Carry it above shoulder heightB. Lift quickly before you get tiredC. Assess the load, route and whether mechanical help or assistance is neededD. Twist your back to get momentum

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

Question 41 of 50Safety

Why is horseplay unacceptable on site?

A. It introduces unnecessary risk around hazards, tools and moving equipmentB. It is only prohibited for apprenticesC. It only causes delaysD. It is allowed during breaks

Correct answer: A. Construction sites contain serious hazards; distraction and horseplay can lead to injury.

Question 42 of 50High risk activities

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

A. A suitable risk assessment, permit/control system and emergency/rescue arrangementsB. A mobile phoneC. A colleague outside with no instructionsD. Only a torch

Correct answer: A. Confined-space entry requires planning, atmospheric controls where needed, competent people and rescue arrangements.

Question 43 of 50Environmental & specialist awareness

What should you check before using a lifting accessory?

A. Whether it belongs to your employerB. Only its colourC. Identification, suitability, condition and any required examination statusD. Whether it is the newest item

Correct answer: C. Lifting accessories need to be suitable, identifiable and in safe condition.

Question 44 of 50Occupational health

What is the purpose of face-fit testing for tight-fitting RPE?

A. To test the colour of the filterB. To measure hearing protectionC. To replace trainingD. To check that the specific mask can seal adequately to the wearer

Correct answer: D. Face-fit testing helps confirm that a tight-fitting mask is suitable for the individual wearer.

Question 45 of 50Working environment

Why should emergency routes and exits never be blocked?

A. They are mainly for deliveriesB. Blocked exits reduce heating costsC. They may be needed for rapid evacuationD. They are used only by visitors

Correct answer: C. Emergency routes must stay available so people can leave quickly and safely.

Question 46 of 50Working environment

Why are site inspections carried out?

A. Only to prepare for client visitsB. To decide who gets overtimeC. To identify unsafe conditions and check controls are workingD. To replace worker training

Correct answer: C. Inspections help identify defects, changing conditions and failures in existing controls.

Question 47 of 50Working environment

Why should materials be stored securely and tidily?

A. So workers can climb on themB. To reduce collapse, trip and access risksC. To avoid using storage racksD. Only to improve photographs of the site

Correct answer: B. Stable, organised storage helps prevent falling materials, blocked routes and manual handling problems.

Question 48 of 50Safety

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

A. To record lunch breaksB. To issue wagesC. To replace competence requirementsD. To control certain high-risk activities through formal authorisation and precautions

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

Question 49 of 50High risk activities

What should you do if the ground beneath access equipment is soft or unstable?

A. Work fasterB. Lower tyre pressureC. Add extra people to the platformD. Stop and ensure the equipment is supported on suitable stable ground or designed measures

Correct answer: D. Unstable ground can cause overturning or collapse of access equipment.

Question 50 of 50High risk activities

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

A. High-visibility clothing makes you visible from every angleB. They may move without knowing you are there, so stay clear and gain acknowledgement before approachingC. They can hear youD. They will automatically stop

Correct answer: B. Never rely on being seen; establish safe communication before entering a vehicle's operating area.

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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.

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