FREE PRACTICE TEST 58

CSCS Mock Test 58: 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 50High risk activities

Who should operate an excavator, telehandler or similar plant?

A. Any worker over 18B. Anyone with a car licenceC. 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 2 of 50Safety

What is the safest approach to trailing electrical leads?

A. Cover them with loose cardboardB. Stretch them tightly across doorwaysC. Route or protect them so they do not create trip or damage hazardsD. Run them through standing water

Correct answer: C. Cables should be managed to prevent trips, crushing, cuts and water exposure.

Question 3 of 50Safety

Why is horseplay unacceptable on site?

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

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

Question 4 of 50High risk activities

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

A. On the machine stepsB. Directly behind the counterweightC. Outside the machine's operating and crush zonesD. Between the machine and a fixed wall

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

Question 5 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. Work faster to reduce exposure timeC. Open a nearby door onlyD. 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 6 of 50Working environment

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

A. Ignore it if you are experiencedB. Ask for clarification before continuingC. Guess what it meansD. Copy what another worker is doing even if their task differs

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

Question 7 of 50Occupational health

Why is asbestos dangerous?

A. It only causes skin irritationB. It causes instant electrical shockC. Airborne fibres can cause serious diseases many years after exposureD. It always catches fire

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

Question 8 of 50Environmental & specialist awareness

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

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

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

Question 9 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 should be spread across soilC. It should be poured into the nearest drainD. It is harmless once diluted

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

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. A safe escape routeC. A mandatory actionD. First-aid equipment

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

Question 11 of 50Safety

What should you do if a machine guard is missing?

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

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

Question 12 of 50Occupational health

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

A. It makes filters last longerB. It can prevent an effective seal against the faceC. It only affects hard hatsD. It increases oxygen levels

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

Question 13 of 50Occupational health

What can repeated skin contact with wet cement cause?

A. Dermatitis and chemical burnsB. Vibration white fingerC. Hearing lossD. Heat exhaustion only

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

Question 14 of 50Working environment

Why are toolbox talks used on construction sites?

A. To allocate annual leaveB. To discuss short, relevant safety topics with the workforceC. To inspect payroll recordsD. To replace all formal qualifications

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

Question 15 of 50Safety

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

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

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

Question 16 of 50Occupational health

Why should hearing protection fit correctly?

A. It removes the need to control noise at sourceB. Poor fit can greatly reduce the protection providedC. It makes tools run more quietlyD. It changes the colour of the ear defenders

Correct answer: B. Hearing protection only works effectively when selected, fitted and worn correctly.

Question 17 of 50Environmental & specialist awareness

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

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

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

Question 18 of 50Working environment

Who should report a hazard that could injure someone on site?

A. Only the person who created the hazardB. Only the health and safety managerC. Only a visiting inspectorD. Anyone who notices the hazard

Correct answer: D. Everyone on site has a role in reporting hazards so they can be controlled promptly.

Question 19 of 50Occupational health

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

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

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

Question 20 of 50Working environment

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

A. Ask a colleague to take responsibilityB. Ignore the change if the task is almost finishedC. 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 50Environmental & specialist awareness

What should you do if work could disturb protected wildlife or nesting birds?

A. Move the nest yourselfB. Use louder machineryC. Ignore it if the programme is busyD. Stop or follow the ecological controls and seek advice before disturbing them

Correct answer: D. Ecological constraints should be identified and managed in line with site and legal requirements.

Question 22 of 50Occupational health

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

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

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

Question 23 of 50Safety

Why should emergency stop controls be kept unobstructed?

A. They prevent tools being cleanedB. They are only decorativeC. They increase productionD. 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 24 of 50High risk activities

Why are toe boards fitted to many work platforms?

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

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

Question 25 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. Continue because the schedule is fixedD. Remove wind-speed checks

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

Question 26 of 50Occupational health

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

A. Try to lift it once to test yourselfB. Drag it across an access routeC. 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 27 of 50High risk activities

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

A. A designated competent signaller/banksman where requiredB. The newest workerC. Any worker nearbyD. Only the delivery driver

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

Question 28 of 50High risk activities

Before using a MEWP, what should the operator confirm?

A. Guardrails can be removed for accessB. They are trained/authorised and the machine and ground conditions are suitableC. The platform can carry unlimited weightD. It can be driven on any slope

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

Question 29 of 50High risk activities

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

A. They can hear youB. They will automatically stopC. High-visibility clothing makes you visible from every angleD. They may move without knowing you are there, so stay clear and gain acknowledgement before approaching

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

Question 30 of 50Working environment

Why should materials be stored securely and tidily?

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

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

Question 31 of 50High risk activities

What should you do around a suspended load?

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

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

Question 32 of 50Environmental & specialist awareness

Why should plant engines not be left idling unnecessarily?

A. It makes batteries last longerB. It improves air qualityC. It prevents oil leaksD. It wastes fuel and increases emissions and noise

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

Question 33 of 50Environmental & specialist awareness

What is the best general approach to construction waste?

A. Bury waste on siteB. Send everything to general wasteC. Prevent or reduce waste first, then reuse/recycle where practicable before disposalD. Burn timber and packaging

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

Question 34 of 50Working environment

Why should near misses be reported?

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

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

Question 35 of 50High risk activities

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

A. Stop until communication is re-establishedB. Reverse to where you last saw themC. Sound the horn and keep movingD. Continue slowly

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

Question 36 of 50Safety

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

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

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

Question 37 of 50Environmental & specialist awareness

Why should site lighting be directed carefully at night?

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

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

Question 38 of 50Safety

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

A. That it is the heaviest tool availableB. That the lead is as long as possibleC. That it appears in good condition and any required inspection status is currentD. That the casing has your initials

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

Question 39 of 50High risk activities

What is a major hazard of fragile roofs?

A. They always contain asbestosB. They attract lightningC. They cannot get wetD. A person can fall through the roof surface

Correct answer: D. Fragile materials may not support a person's weight and require specific access and fall controls.

Question 40 of 50Safety

What should you do before operating unfamiliar equipment?

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

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

Question 41 of 50Occupational health

How can vibration exposure from power tools be reduced?

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

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

Question 42 of 50Working environment

Why should designated pedestrian routes be used around moving plant?

A. They are usually the shortest routeB. They remove the need for high-visibility clothingC. They are only for visitorsD. They help separate people from vehicle movements

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

Question 43 of 50Environmental & specialist awareness

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

A. Remove wheel-wash facilitiesB. Sweep dry dust into the roadC. Increase vehicle speedsD. Use source controls, damping/extraction and keep routes clean

Correct answer: D. Source control and good housekeeping reduce airborne dust and off-site nuisance.

Question 44 of 50Environmental & specialist awareness

Why should drains sometimes be covered or protected during spill-risk activities?

A. To stop rain completelyB. To store tools on topC. To increase drainage speedD. To prevent contaminants entering the drainage system

Correct answer: D. Drain protection is an important part of pollution prevention.

Question 45 of 50Safety

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

A. Pour water on the equipmentB. Pull them away with bare handsC. Move the cable with a metal toolD. Isolate the electrical supply before touching the person

Correct answer: D. You must avoid becoming a second casualty; safely isolate the power before contact.

Question 46 of 50Working environment

Why should emergency routes and exits never be blocked?

A. They may be needed for rapid evacuationB. They are mainly for deliveriesC. Blocked exits reduce heating costsD. They are used only by visitors

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

Question 47 of 50Safety

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

A. To make equipment run fasterB. To reserve equipment for one tradeC. To prevent equipment being energised unexpectedly during workD. To record working hours

Correct answer: C. Secure isolation helps prevent dangerous unexpected energisation or movement.

Question 48 of 50Working environment

What should you do when you arrive at a construction site for the first time?

A. Attend the site induction and follow the site rulesB. Only read the emergency noticeboardC. Start work immediately if you know the tradeD. Wait in the welfare area until someone finds you

Correct answer: A. A site induction explains local hazards, emergency arrangements, welfare facilities and site-specific rules before work begins.

Question 49 of 50High risk activities

Why is an excavation dangerous even if it is not very deep?

A. Shallow excavations are always safeB. Only water is a hazardC. Sides can collapse and people can fall in or encounter services depending on conditionsD. Only excavators are at risk

Correct answer: C. Excavation risk depends on ground, depth, loads, access, services and other conditions—not one simple depth threshold.

Question 50 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 improves risk awarenessD. It only affects office workers

Correct answer: A. 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.