FREE PRACTICE TEST 52

CSCS Mock Test 52: 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 explanationsPpe, Hazards And Safe Systems Of Work

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 50Environmental & specialist awareness

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

A. Leave them outdoorsB. Put them in general food wasteC. Place them in the designated waste/recycling streamD. Throw them into fires

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

Question 2 of 50Environmental & specialist awareness

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

A. To reduce fire and pollution risk and allow spill containmentB. To make them easier to hideC. To warm the fuelD. To keep them near drains

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

Question 3 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. Stop the source if safe, contain the spill and follow the site's spill procedureD. Cover it with soil and leave it

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

Question 4 of 50Working environment

Why are toolbox talks used on construction sites?

A. To inspect payroll recordsB. To discuss short, relevant safety topics with the workforceC. To replace all formal qualificationsD. To allocate annual leave

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

Question 5 of 50Working environment

Why should materials be stored securely and tidily?

A. To avoid using storage racksB. Only to improve photographs of the siteC. So workers can climb on themD. To reduce collapse, trip and access risks

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

Question 6 of 50High risk activities

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

A. To avoid using a lift planB. Damage or incorrect selection can lead to load failureC. To make them look cleanD. To increase crane speed

Correct answer: B. Lifting accessories must be suitable and free from defects that could compromise their strength.

Question 7 of 50High risk activities

What should be considered before carrying out hot work such as welding or cutting?

A. How quickly the job can be finishedB. Only the colour of the welding screenC. Whether the task is indoorsD. Fire risk, combustible materials, permits and fire-watch arrangements where required

Correct answer: D. Hot work can ignite nearby materials and often requires formal controls and fire precautions.

Question 8 of 50Occupational health

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

A. Check the assessment, label/SDS and required controlsB. Mix it with waterC. Use it outdoors without further checksD. Smell it to identify the hazard

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

Question 9 of 50Working environment

What do green safety signs commonly identify?

A. Electrical voltageB. Safe conditions such as emergency exits or first aidC. Mandatory PPED. Prohibited activities

Correct answer: B. Green signs are associated with safe conditions such as emergency exits and first-aid locations.

Question 10 of 50Working environment

What does a red circular sign with a diagonal bar generally mean?

A. A prohibition or something you must not doB. First-aid equipmentC. A safe escape routeD. A mandatory action

Correct answer: A. Red prohibition signs communicate actions that are not allowed.

Question 11 of 50High risk activities

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

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

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

Question 12 of 50Working environment

What should happen to site rules after induction?

A. They only apply on the first dayB. They should be followed throughout your time on the siteC. They can be ignored by experienced workersD. They apply only when management is present

Correct answer: B. Site rules remain in force because they form part of the site's risk controls.

Question 13 of 50Safety

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

A. Move them immediately regardless of dangerB. Leave them alone to recoverC. 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 14 of 50Safety

Why should water not be used on live electrical equipment?

A. It creates asbestosB. It always damages concreteC. It makes alarms louderD. It can conduct electricity and increase shock risk

Correct answer: D. Water can conduct electricity; power should be isolated and a suitable extinguisher used where appropriate.

Question 15 of 50Safety

What should you do if you smell gas or suspect a gas leak?

A. Use a flame to test for gasB. Ignore it outdoorsC. Stop work, avoid ignition sources, move to safety and follow the emergency procedureD. Switch electrical equipment on to find the source

Correct answer: C. Suspected gas leaks require prompt isolation from ignition and emergency reporting.

Question 16 of 50Safety

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

A. Lock the doorB. Leave it because it improves ventilationC. Paint a warning sign on itD. Remove the obstruction if safe and report the issue

Correct answer: D. Fire doors are part of compartmentation and should not be defeated unless designed to be held open safely.

Question 17 of 50Working environment

Why should near misses be reported?

A. Only to increase paperworkB. They do not need reporting if nobody was injuredC. So lessons can be learned and controls improved before someone is hurtD. To reduce the number of breaks

Correct answer: C. Near-miss reporting helps identify weaknesses in controls and prevent recurrence.

Question 18 of 50Safety

Why should gas cylinders be stored upright and secured where required?

A. To keep them warmerB. To prevent them falling and damaging the valve or becoming a projectileC. To make labels easier to read onlyD. To increase gas pressure

Correct answer: B. A damaged cylinder valve can release energy violently, so cylinders should be secured and correctly stored.

Question 19 of 50Occupational health

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

A. Use headphones insteadB. Ignore the sign if you are there brieflyC. Wear the specified hearing protectionD. Only wear protection when machinery stops

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

Question 20 of 50Working environment

What should you do if site conditions change and the planned safe method no longer seems suitable?

A. Ignore the change if the task is almost finishedB. Ask a colleague to take responsibilityC. Continue because the paperwork has already been signedD. Stop and ask for the risk assessment or method to be reviewed

Correct answer: D. Safe systems of work should be reviewed when conditions change or new hazards appear.

Question 21 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. Ask a colleague to stand nearbyC. Use a phone torch and continueD. Work more slowly without reporting it

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

Question 22 of 50Occupational health

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

A. To measure hearing protectionB. To check that the specific mask can seal adequately to the wearerC. To test the colour of the filterD. To replace training

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

Question 23 of 50Occupational health

Which lifting technique is generally safer for a manageable load?

A. Twist while risingB. Keep the load close, use a stable stance and avoid twistingC. Lift with a rounded back and straight legsD. Keep the load at arm's length

Correct answer: B. Keeping the load close and maintaining a stable, controlled posture reduces strain.

Question 24 of 50Safety

What should you do before operating unfamiliar equipment?

A. Operate it only at maximum speedB. Remove warning labelsC. Try each control until you learn itD. Make sure you are trained/authorised and understand the instructions and controls

Correct answer: D. Competence and understanding of controls are essential before operating equipment.

Question 25 of 50Safety

Why should access to electrical panels be kept clear?

A. So tools can be stored nearbyB. To improve Wi-Fi signalC. To allow water to drainD. So they can be safely reached for operation or emergency isolation

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

Question 26 of 50High risk activities

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

A. Only a torchB. A suitable risk assessment, permit/control system and emergency/rescue arrangementsC. A colleague outside with no instructionsD. A mobile phone

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

Question 27 of 50High risk activities

What is a major danger near reversing construction vehicles?

A. Low tyre pressure onlyB. Loud radiosC. Clean windscreensD. Driver blind spots

Correct answer: D. Large vehicles can have significant blind spots, so segregation, visibility and safe reversing controls are important.

Question 28 of 50High risk activities

What should you check before using a ladder?

A. That it has paint marksB. That it is suitable, in good condition and set up securelyC. That someone used it yesterdayD. That it is the longest ladder on site

Correct answer: B. Ladders should be suitable for the task, inspected and positioned on a stable surface.

Question 29 of 50High risk activities

Why are toe boards fitted to many work platforms?

A. To help prevent tools and materials being kicked or falling from the edgeB. To increase platform heightC. To mark smoking areasD. To replace guardrails

Correct answer: A. Toe boards are part of edge protection and help contain materials on the platform.

Question 30 of 50Safety

When is it appropriate to try to use a fire extinguisher?

A. Only after the fire alarm stopsB. Only if you are trained, it is safe and you have a clear escape routeC. If you can stand between the fire and the exitD. Whenever any fire is visible

Correct answer: B. Life safety comes first; extinguishers should only be used when trained and conditions are safe.

Question 31 of 50Working environment

What should you do if you do not understand a site instruction?

A. Ask for clarification before continuingB. Guess what it meansC. Ignore it if you are experiencedD. Copy what another worker is doing even if their task differs

Correct answer: A. You should understand the instruction and the risks before starting or continuing work.

Question 32 of 50Occupational health

When cutting materials that can produce silica dust, which control is usually preferable to relying only on a dust mask?

A. Work faster to reduce exposure timeB. Use effective extraction or water suppression at sourceC. Remove eye protectionD. Open a nearby door only

Correct answer: B. Controlling dust at source with extraction or suppression is more effective than relying on PPE alone.

Question 33 of 50Occupational health

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

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

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

Question 34 of 50Environmental & specialist awareness

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

A. It increases the amount of wasteB. It supports safe handling, recycling and lawful disposalC. It removes the need for skipsD. It makes all waste non-hazardous

Correct answer: B. Segregation can improve recycling and prevent contamination of recyclable or hazardous waste streams.

Question 35 of 50Occupational health

Why can facial hair be a problem with tight-fitting respirators?

A. It only affects hard hatsB. It makes filters last longerC. It can prevent an effective seal against the faceD. It increases oxygen levels

Correct answer: C. Tight-fitting respirators rely on a good face seal; facial hair in the seal area can create leaks.

Question 36 of 50Occupational health

Why is asbestos dangerous?

A. It always catches fireB. Airborne fibres can cause serious diseases many years after exposureC. It causes instant electrical shockD. It only causes skin irritation

Correct answer: B. Inhaled asbestos fibres can cause fatal lung diseases with long latency periods.

Question 37 of 50Safety

What should you do if a machine guard is missing?

A. Do not use the machine and report itB. Wear thicker gloves and continueC. Ask someone to watch the moving partsD. Use the machine slowly

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

Question 38 of 50Environmental & specialist awareness

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

A. To provide seatingB. To improve ventilationC. To contain leaks or spillsD. To keep containers warmer

Correct answer: C. Secondary containment helps stop liquids spreading into soil or drainage systems.

Question 39 of 50High risk activities

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

A. Any worker nearbyB. The newest workerC. Only the delivery driverD. A designated competent signaller/banksman where required

Correct answer: D. Clear communication through a designated competent signaller helps prevent conflicting instructions.

Question 40 of 50Environmental & specialist awareness

Why should site lighting be directed carefully at night?

A. To replace barriersB. To increase fuel useC. To provide safe illumination while reducing glare and nuisance to neighbours and road usersD. To make wildlife easier to attract

Correct answer: C. Lighting should support safe work without creating glare, distraction or unnecessary environmental impact.

Question 41 of 50Working environment

What does a yellow triangular safety sign normally indicate?

A. A mandatory actionB. A warning or hazardC. A safe condition or first-aid pointD. A prohibition

Correct answer: B. Yellow triangular signs with dark symbols are used to warn about hazards.

Question 42 of 50Environmental & specialist awareness

Why should chemical containers remain correctly labelled?

A. Labels are only for delivery driversB. So users know the contents, hazards and handling requirementsC. Unlabelled containers are saferD. It increases shelf life

Correct answer: B. Correct labelling is essential for identification, safe use and emergency response.

Question 43 of 50Environmental & specialist awareness

What should happen if you discover contaminated soil during excavation?

A. Mix it with clean soilB. Wash it into a drainC. Spread it across the siteD. Stop or isolate as required and report it so the material can be assessed and managed

Correct answer: D. Unexpected contamination should be assessed before further disturbance or disposal.

Question 44 of 50High risk activities

What should you do around a suspended load?

A. Touch it to check its weightB. Stand directly beneath it to guide the operatorC. Stay clear and never position yourself underneath itD. Walk under it if wearing a hard hat

Correct answer: C. Suspended loads can fall or swing unpredictably; exclusion is essential.

Question 45 of 50Environmental & specialist awareness

What should happen to concrete washout water?

A. It should be managed in a designated system and kept out of drains and watercoursesB. It is harmless once dilutedC. It should be poured into the nearest drainD. It should be spread across soil

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

Question 46 of 50Occupational health

What should you do if you develop persistent numbness in your fingers after using vibrating tools?

A. Report the symptoms and seek occupational health or medical adviceB. Ignore it until the next annual checkC. Increase your daily exposure slowlyD. Use the tool with one hand

Correct answer: A. Early reporting of symptoms can prevent further exposure and allow assessment.

Question 47 of 50Environmental & specialist awareness

Why are exclusion zones used around overhead lifting?

A. To prevent people entering areas where loads or objects could fall or swingB. To keep vehicles cleanC. To create a rest areaD. To improve radio reception

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

Question 48 of 50Safety

What should you do with a defective ladder, tool or piece of equipment?

A. Loan it to another workerB. Take it out of use and report/label it according to site procedureC. Hide the defectD. Use it only for short tasks

Correct answer: B. Defective equipment should be prevented from being used until made safe.

Question 49 of 50High risk activities

What should you do if a lifting sling has visible cuts, severe wear or damage?

A. Use it for a lighter load without telling anyoneB. Remove it from use and report itC. Tie a knot in itD. Wrap it with tape

Correct answer: B. Damaged lifting accessories must not be used unless formally assessed and made safe.

Question 50 of 50Occupational health

Why is fatigue a safety and health concern?

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

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

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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.