FREE PRACTICE TEST 01

CSCS Mock Test 01: 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 50Environmental & specialist awareness

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

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

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

Question 2 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 3 of 50Safety

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

A. It always causes hearing loss immediatelyB. It reduces tool pressureC. It can drive particles into the body and create serious injury or airborne dustD. It makes clothing shrink

Correct answer: C. Compressed air can cause injection injuries and aerosolise hazardous dust.

Question 4 of 50Occupational health

Why should contaminated work clothing not be taken into clean eating areas?

A. It is only a company image issueB. It makes the room warmerC. It damages mobile phonesD. It can spread hazardous dusts or substances

Correct answer: D. Segregating contaminated clothing helps prevent secondary exposure by ingestion or transfer.

Question 5 of 50High risk activities

What is the safest position when a machine is slewing or turning?

A. Outside the machine's operating and crush zonesB. Between the machine and a fixed wallC. Directly behind the counterweightD. On the machine steps

Correct answer: A. People can be crushed between moving plant and fixed objects; exclusion zones are critical.

Question 6 of 50High risk activities

What should you maintain when climbing a ladder?

A. Three points of contact where practicableB. Both hands full of toolsC. One foot onlyD. Your body leaning far to one side

Correct answer: A. Maintaining secure contact improves stability and reduces the chance of a fall.

Question 7 of 50Working environment

What does a blue circular safety sign usually mean?

A. A substance is toxicB. A fire extinguisher is nearbyC. A mandatory action must be followedD. An action is prohibited

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

Question 8 of 50Environmental & specialist awareness

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

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

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

Question 9 of 50High risk activities

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

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

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

Question 10 of 50Environmental & specialist awareness

Why should plant engines not be left idling unnecessarily?

A. It wastes fuel and increases emissions and noiseB. It makes batteries last longerC. It prevents oil leaksD. It improves air quality

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

Question 11 of 50Safety

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

A. Stop work and follow the site's evacuation procedureB. Finish the current task firstC. Collect all your toolsD. Wait for smoke to appear

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

Question 12 of 50Occupational health

Why must respiratory protective equipment be suitable for the hazard?

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

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

Question 13 of 50Occupational health

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

A. Temporary eye strain onlyB. Hearing lossC. Sprained anklesD. Silicosis and other serious lung disease

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

Question 14 of 50Environmental & specialist awareness

Why is environmental incident reporting important?

A. It allows prompt control, clean-up and prevention of recurrenceB. Only to calculate wagesC. It is unnecessary for small sitesD. It replaces spill response

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

Question 15 of 50Occupational health

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

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

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

Question 16 of 50Working environment

What is the best response if a task creates a hazard for people working nearby?

A. Work fasterB. Assume they will notice itC. Coordinate the work and put controls or segregation in placeD. Only warn your own team

Correct answer: C. Activities should be coordinated so one team's work does not expose others to uncontrolled risk.

Question 17 of 50Safety

What is the purpose of a first aider?

A. To replace emergency servicesB. To give appropriate immediate assistance until further medical help is availableC. To diagnose every illnessD. To prescribe medication

Correct answer: B. First aid is immediate assistance intended to preserve life and limit harm until more help is available.

Question 18 of 50Environmental & specialist awareness

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

A. Throw them into firesB. Put them in general food wasteC. Leave them outdoorsD. Place them in the designated waste/recycling stream

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

Question 19 of 50Working environment

Why should emergency routes and exits never be blocked?

A. Blocked exits reduce heating costsB. They are mainly for deliveriesC. 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 20 of 50Environmental & specialist awareness

If you discover an unidentified drum or container, what should you do?

A. Smell the contentsB. Do not open or move it unnecessarily; report it and follow site proceduresC. Use it as a waste binD. Pour it into another container

Correct answer: B. Unknown substances should be treated cautiously until identified and assessed.

Question 21 of 50Working environment

What should you do if a floor opening is uncovered?

A. Prevent access and report it so suitable protection can be restoredB. Cover it with loose cardboardC. Step around it and say nothingD. Mark it with paint only

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

Question 22 of 50Safety

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

A. To control certain high-risk activities through formal authorisation and precautionsB. To issue wagesC. To record lunch breaksD. To replace competence requirements

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

Question 23 of 50Working environment

What does a yellow triangular safety sign normally indicate?

A. A prohibitionB. A mandatory actionC. A warning or hazardD. A safe condition or first-aid point

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

Question 24 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. Assume someone else will fix itC. Wait until the end of the shiftD. Report it and make sure the area is secured before exposure continues

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

Question 25 of 50Occupational health

What can repeated skin contact with wet cement cause?

A. Heat exhaustion onlyB. Hearing lossC. Vibration white fingerD. Dermatitis and chemical burns

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

Question 26 of 50Occupational health

How can vibration exposure from power tools be reduced?

A. Grip the tool as tightly as possibleB. Use heavier gloves instead of managing exposureC. Use suitable low-vibration tools, maintain them and limit exposure timeD. Remove tool guards

Correct answer: C. Tool selection, maintenance and exposure management are key controls for vibration risk.

Question 27 of 50High risk activities

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

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

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

Question 28 of 50Occupational health

Why should you wash your hands before eating or smoking after handling hazardous materials?

A. To reduce accidental ingestion or transfer of contaminantsB. To improve grip strengthC. To reduce vibrationD. To prevent hearing damage

Correct answer: A. Handwashing prevents hazardous substances being transferred to food, cigarettes or the face.

Question 29 of 50Environmental & specialist awareness

Why should chemical containers remain correctly labelled?

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

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

Question 30 of 50Safety

What should you do if a machine guard is missing?

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

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

Question 31 of 50Occupational health

Which lifting technique is generally safer for a manageable load?

A. Keep the load at arm's lengthB. Lift with a rounded back and straight legsC. Keep the load close, use a stable stance and avoid twistingD. Twist while rising

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

Question 32 of 50Safety

Why is horseplay unacceptable on site?

A. It is only prohibited for apprenticesB. It only causes delaysC. It introduces unnecessary risk around hazards, tools and moving equipmentD. It is allowed during breaks

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

Question 33 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. Remove the guard permanentlyC. Isolate the tool from its power sourceD. Keep the trigger pressed

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

Question 34 of 50Working environment

What is the main purpose of a risk assessment?

A. To identify hazards, assess risk and decide suitable controlsB. To replace all training and supervisionC. To make a job take longerD. To record who should be blamed after an accident

Correct answer: A. Risk assessment is used to identify hazards and put proportionate controls in place before people are harmed.

Question 35 of 50High risk activities

What should you do around a suspended load?

A. Stand directly beneath it to guide the operatorB. Touch it to check its weightC. 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 36 of 50High risk activities

What is a major danger near reversing construction vehicles?

A. Low tyre pressure onlyB. Clean windscreensC. Driver blind spotsD. Loud radios

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

Question 37 of 50Safety

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

A. They reduce productivity onlyB. They are optional for experienced workersC. They are designed to reduce exposure to dangerous movement or conditionsD. They are only required during inspections

Correct answer: C. Defeating safety devices removes engineered protection and can expose workers to severe hazards.

Question 38 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 where deliveries are signed forD. It is the normal lunch area

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

Question 39 of 50Environmental & specialist awareness

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

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

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

Question 40 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. Stop and ask for the risk assessment or method to be reviewedC. Ask a colleague to take responsibilityD. Ignore the change if the task is almost finished

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

Question 41 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. Check service information, locate services with suitable equipment and use safe digging methodsD. Pour water on the area

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

Question 42 of 50Safety

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

A. Cover it with paperB. Control ignition sources, follow the spill procedure and report itC. Ignore it if it evaporates quicklyD. Wash it into a drain

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

Question 43 of 50Working environment

Why should designated pedestrian routes be used around moving plant?

A. They remove the need for high-visibility clothingB. They are usually the shortest routeC. They help separate people from vehicle movementsD. They are only for visitors

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

Question 44 of 50Environmental & specialist awareness

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

A. They always block toiletsB. They may flow directly to watercourses and cause pollutionC. They only affect drinking water on siteD. They reduce concrete strength

Correct answer: B. Many surface-water systems discharge to the environment, so pollutants must not enter them.

Question 45 of 50High risk activities

Who should operate an excavator, telehandler or similar plant?

A. A trained, competent and authorised operatorB. Any worker over 18C. A labourer if supervised from a distanceD. Anyone with a car licence

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

Question 46 of 50Safety

Why should you never remove an electrical plug earth pin or defeat an RCD?

A. It only affects battery lifeB. It makes tools too quietC. It can remove important protection against electric shockD. It changes the voltage colour

Correct answer: C. Protective electrical features are safety controls and must not be bypassed.

Question 47 of 50Environmental & specialist awareness

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

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

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

Question 48 of 50Occupational health

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

A. Remove eye protectionB. Open a nearby door onlyC. Work faster to reduce exposure timeD. Use effective extraction or water suppression at source

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

Question 49 of 50Occupational health

Why is asbestos dangerous?

A. Airborne fibres can cause serious diseases many years after exposureB. It always catches fireC. It only causes skin irritationD. It causes instant electrical shock

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

Question 50 of 50High risk activities

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

A. Use it if you stay near the wallB. Use it only below the first liftC. Add a rope as a handrail yourselfD. Do not use it and report the defect

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

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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.