FREE PRACTICE TEST 51

CSCS Mock Test 51: 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 explanationsBalanced Site-Safety Revision

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 50Working environment

Why should near misses be reported?

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

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

Question 2 of 50Environmental & specialist awareness

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

A. To improve ventilationB. To keep containers warmerC. To provide seatingD. To contain leaks or spills

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

Question 3 of 50Occupational health

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

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

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

Question 4 of 50Occupational health

What should you do if a chemical splashes onto your skin?

A. Cover it with dustB. Follow the product/site emergency instructions, rinse as directed and seek help if neededC. Rub the area vigorouslyD. Wait until the end of the shift

Correct answer: B. Prompt decontamination and following the safety data/site procedure can limit injury.

Question 5 of 50Environmental & specialist awareness

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

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

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

Question 6 of 50High risk activities

Before using a MEWP, what should the operator confirm?

A. It can be driven on any slopeB. Guardrails can be removed for accessC. They are trained/authorised and the machine and ground conditions are suitableD. The platform can carry unlimited weight

Correct answer: C. MEWP safety depends on competent operation, pre-use checks, safe ground and following the manufacturer's limits.

Question 7 of 50High risk activities

Should a mobile access tower be moved while people or loose materials are on the platform?

A. Only if the brakes are partly appliedB. Yes, if moved slowlyC. Yes, if two people pushD. No, occupants should descend and loose items be secured before moving

Correct answer: D. Moving an occupied tower can cause overturning or falls.

Question 8 of 50Occupational health

If a load is too heavy or awkward for you to handle safely, what should you do?

A. Drag it across an access routeB. Try to lift it once to test yourselfC. Throw it onto a trolleyD. Get help or use suitable mechanical assistance

Correct answer: D. Do not attempt a lift that exceeds your capability; use assistance or mechanical handling equipment.

Question 9 of 50High risk activities

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

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

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

Question 10 of 50Working environment

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

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

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

Question 11 of 50Environmental & specialist awareness

Why should plant engines not be left idling unnecessarily?

A. It makes batteries last longerB. It prevents oil leaksC. It wastes fuel and increases emissions and noiseD. It improves air quality

Correct answer: C. Reducing unnecessary idling lowers fuel use, emissions and noise.

Question 12 of 50Working environment

Why should designated pedestrian routes be used around moving plant?

A. They are only for visitorsB. They remove the need for high-visibility clothingC. They help separate people from vehicle movementsD. They are usually the shortest route

Correct answer: C. Segregating pedestrians from moving vehicles is a key control for workplace transport risks.

Question 13 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 14 of 50High risk activities

What is a key hazard in a confined space?

A. Too much daylightB. A dangerous atmosphere, including low oxygen or toxic gasesC. Excess floor spaceD. Mobile phone reception

Correct answer: B. Confined spaces can contain life-threatening atmospheres and require strict planning and controls.

Question 15 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. Warn them if safe to do so and inform the responsible supervisorC. Remove the signsD. Ignore them because they accepted the risk

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

Question 16 of 50Environmental & specialist awareness

Why may wheel-wash facilities be used at site exits?

A. To cool vehicle brakesB. To test water pressureC. To clean workers' boots onlyD. To reduce mud and debris being tracked onto public roads

Correct answer: D. Keeping public roads clear of site mud reduces environmental nuisance and road hazards.

Question 17 of 50Environmental & specialist awareness

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

A. It supports safe handling, recycling and lawful disposalB. It removes the need for skipsC. It makes all waste non-hazardousD. It increases the amount of waste

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

Question 18 of 50Working environment

Why are site inspections carried out?

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

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

Question 19 of 50Environmental & specialist awareness

What is the best general approach to construction waste?

A. Prevent or reduce waste first, then reuse/recycle where practicable before disposalB. Bury waste on siteC. Burn timber and packagingD. Send everything to general waste

Correct answer: A. Waste prevention and reuse generally sit above recycling and disposal in the waste hierarchy.

Question 20 of 50Working environment

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

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

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

Question 21 of 50Safety

If a tool starts behaving unusually, what should you do?

A. Increase the speedB. Remove the safety guardC. Hit it to make it work normallyD. Stop using it and report/check the defect

Correct answer: D. Unusual noise, vibration or operation can indicate a dangerous defect.

Question 22 of 50High risk activities

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

A. Sound the horn and keep movingB. Stop until communication is re-establishedC. Continue slowlyD. Reverse to where you last saw them

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

Question 23 of 50Safety

What should you do when a fire alarm sounds on site?

A. Collect all your toolsB. Wait for smoke to appearC. Stop work and follow the site's evacuation procedureD. Finish the current task first

Correct answer: C. Fire alarms require prompt evacuation in line with the site emergency plan.

Question 24 of 50High risk activities

What should you do around a suspended load?

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

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

Question 25 of 50Occupational health

What is a major health risk from repeatedly breathing respirable crystalline silica dust?

A. Sprained anklesB. Temporary eye strain onlyC. Hearing lossD. Silicosis and other serious lung disease

Correct answer: D. Fine silica dust can penetrate deep into the lungs and cause serious, irreversible disease.

Question 26 of 50Safety

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

A. If you can stand between the fire and the exitB. Only after the fire alarm stopsC. Whenever any fire is visibleD. Only if you are trained, it is safe and you have a clear escape route

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

Question 27 of 50High risk activities

What should you check before using a ladder?

A. That it is suitable, in good condition and set up securelyB. That someone used it yesterdayC. That it has paint marksD. That it is the longest ladder on site

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

Question 28 of 50Environmental & specialist awareness

Why should site lighting be directed carefully at night?

A. To provide safe illumination while reducing glare and nuisance to neighbours and road usersB. To increase fuel useC. To make wildlife easier to attractD. To replace barriers

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

Question 29 of 50Environmental & specialist awareness

Why is environmental incident reporting important?

A. Only to calculate wagesB. It allows prompt control, clean-up and prevention of recurrenceC. It replaces spill responseD. It is unnecessary for small sites

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

Question 30 of 50Occupational health

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

A. Smell it to identify the hazardB. Check the assessment, label/SDS and required controlsC. Mix it with waterD. Use it outdoors without further checks

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

Question 31 of 50Working environment

What should you do if a floor opening is uncovered?

A. Cover it with loose cardboardB. Prevent access and report it so suitable protection can be restoredC. Mark it with paint onlyD. Step around it and say nothing

Correct answer: B. Openings should be physically protected or access prevented because a fall can cause serious injury.

Question 32 of 50High risk activities

What should be provided where an excavation is at risk of collapse?

A. A plank across the topB. A warning sign onlyC. High-visibility clothing onlyD. Suitable support, battering or another engineered protective system

Correct answer: D. Excavation sides need appropriate support or safe shaping where collapse risk exists.

Question 33 of 50Safety

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

A. That it is the heaviest tool availableB. That the casing has your initialsC. That the lead is as long as possibleD. 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 34 of 50Working environment

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

A. First-aid equipmentB. A mandatory actionC. A safe escape routeD. A prohibition or something you must not do

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

Question 35 of 50Safety

Why should emergency stop controls be kept unobstructed?

A. They increase productionB. They are only decorativeC. They prevent tools being cleanedD. They may need to be activated immediately

Correct answer: D. Emergency stops must be readily accessible if dangerous movement needs to be stopped quickly.

Question 36 of 50Safety

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

A. Take it out of use and report/label it according to site procedureB. Hide the defectC. Use it only for short tasksD. Loan it to another worker

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

Question 37 of 50Safety

Why should water not be used on live electrical equipment?

A. It makes alarms louderB. It creates asbestosC. It can conduct electricity and increase shock riskD. It always damages concrete

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

Question 38 of 50Safety

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

A. Raise the alarm/get first aid and emergency help in line with site proceduresB. Give them foodC. Move them immediately regardless of dangerD. Leave them alone to recover

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

Question 39 of 50Working environment

Why is clear communication important when several trades work in the same area?

A. It helps coordinate hazards and prevents conflicting activitiesB. It removes the need for permitsC. It means PPE is no longer requiredD. It allows each trade to ignore the others

Correct answer: A. Coordination reduces risks created by simultaneous or overlapping work activities.

Question 40 of 50High risk activities

What is a major danger near reversing construction vehicles?

A. Clean windscreensB. Driver blind spotsC. Loud radiosD. Low tyre pressure only

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

Question 41 of 50Occupational health

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

A. It is unrelated to safetyB. Only managers can raise such concernsC. Support and adjustments may help prevent errors and protect wellbeingD. It automatically leads to dismissal

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

Question 42 of 50Occupational health

What can repeated skin contact with wet cement cause?

A. Heat exhaustion onlyB. Vibration white fingerC. Dermatitis and chemical burnsD. Hearing loss

Correct answer: C. Wet cement is highly alkaline and can cause irritant dermatitis and serious burns.

Question 43 of 50High risk activities

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

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

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

Question 44 of 50Safety

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

A. Ignore it outdoorsB. Use a flame to test for gasC. Switch electrical equipment on to find the sourceD. Stop work, avoid ignition sources, move to safety and follow the emergency procedure

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

Question 45 of 50Environmental & specialist awareness

Why should noisy work be planned carefully near neighbours?

A. To reduce nuisance and comply with site/local controlsB. Noise outside the site is never relevantC. To make the equipment wear fasterD. To eliminate the need for hearing protection

Correct answer: A. Construction noise can affect neighbours and may be subject to agreed hours and control measures.

Question 46 of 50Occupational health

Why must respiratory protective equipment be suitable for the hazard?

A. The colour is the only important factorB. Different filters and respirators protect against different contaminantsC. RPE replaces all other controlsD. All masks provide identical protection

Correct answer: B. RPE must be correctly selected for the contaminant, concentration and task.

Question 47 of 50Occupational health

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

A. Drink only energy drinksB. Wear extra layersC. Keep working until the task is completeD. Stop, move to a cooler area, hydrate and report symptoms

Correct answer: D. Heat illness can worsen quickly; early cooling, hydration and reporting are important.

Question 48 of 50Environmental & specialist awareness

What should you do before entering an area where a crane is operating?

A. Wave from behind the craneB. Follow the exclusion-zone and communication controls and obtain permission if requiredC. Walk under the hook quicklyD. Assume the operator can see you

Correct answer: B. Crane operations need controlled access because of suspended loads, slewing and blind spots.

Question 49 of 50Working environment

What does a blue circular safety sign usually mean?

A. A fire extinguisher is nearbyB. A mandatory action must be followedC. An action is prohibitedD. A substance is toxic

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

Question 50 of 50Safety

Why must emergency equipment remain accessible?

A. It is used for tool storageB. Access is optional on small sitesC. It is only used during inspectionsD. It may be needed immediately during an incident

Correct answer: D. Blocked fire points, first-aid equipment or emergency controls can delay a response.

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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.