FREE PRACTICE TEST 41

CSCS Mock Test 41: 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 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. Sound the horn and keep movingC. Reverse to where you last saw themD. Continue slowly

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

Question 2 of 50Environmental & specialist awareness

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

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

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

Question 3 of 50Occupational health

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

A. Support and adjustments may help prevent errors and protect wellbeingB. It is unrelated to safetyC. Only managers can raise such concernsD. It automatically leads to dismissal

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

Question 4 of 50Safety

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

A. Leave it because it improves ventilationB. Remove the obstruction if safe and report the issueC. Lock the doorD. 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 5 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 6 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. Only a torchD. A colleague outside with no instructions

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

Question 7 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 improves air qualityD. It prevents oil leaks

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

Question 8 of 50Working environment

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

A. A mandatory actionB. A prohibition or something you must not doC. A safe escape routeD. First-aid equipment

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

Question 9 of 50Environmental & specialist awareness

What should happen to concrete washout water?

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

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

Question 10 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 11 of 50Safety

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

A. It reduces tool pressureB. It always causes hearing loss immediatelyC. 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 12 of 50Working environment

Why should emergency routes and exits never be blocked?

A. They are used only by visitorsB. They are mainly for deliveriesC. They may be needed for rapid evacuationD. Blocked exits reduce heating costs

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

Question 13 of 50High risk activities

Why are toe boards fitted to many work platforms?

A. To replace guardrailsB. To mark smoking areasC. To increase platform heightD. To help prevent tools and materials being kicked or falling from the edge

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

Question 14 of 50High risk activities

What should you check before using a ladder?

A. That someone used it yesterdayB. That it is suitable, in good condition and set up securelyC. That it is the longest ladder on siteD. That it has paint marks

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

Question 15 of 50Working environment

What is the best way to help prevent slips and trips in your work area?

A. Keep routes clear and deal with spills, cables and waste promptlyB. Only clean areas that visitors can seeC. Walk more quickly through congested areasD. Leave waste until the end of the week

Correct answer: A. Good housekeeping, cable management and prompt clean-up reduce slip and trip risks.

Question 16 of 50Environmental & specialist awareness

What should happen if you discover contaminated soil during excavation?

A. Wash it into a drainB. Mix it with clean soilC. 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 17 of 50High risk activities

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

A. Collective protection such as suitable platforms and guardrailsB. Relying only on a worker's balanceC. Removing edge protection for accessD. Working faster

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

Question 18 of 50Safety

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

A. It only affects battery lifeB. It changes the voltage colourC. It makes tools too quietD. It can remove important protection against electric shock

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

Question 19 of 50Working environment

What should you do with an access route that has become obstructed by materials?

A. Use the vehicle route insteadB. Leave it until the next deliveryC. Climb over the materialsD. Arrange for the obstruction to be cleared and keep the route usable

Correct answer: D. Access and escape routes should be kept clear and usable.

Question 20 of 50High risk activities

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

A. Only water is a hazardB. Shallow excavations are always safeC. 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 21 of 50Occupational health

Why should hearing protection fit correctly?

A. Poor fit can greatly reduce the protection providedB. It changes the colour of the ear defendersC. It removes the need to control noise at sourceD. It makes tools run more quietly

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

Question 22 of 50Occupational health

What is the safest approach to reducing exposure to hazardous fumes?

A. Use effective ventilation or extraction and follow the task controlsB. Rely on smell to decide if it is safeC. Work fasterD. Hold your breath

Correct answer: A. Engineering controls such as local exhaust ventilation can remove fumes at source.

Question 23 of 50Safety

What should you do if the cable on a power tool is damaged?

A. Stop using it, isolate it from use and report the defectB. Wrap the damaged area with ordinary tape and continueC. Use it only in dry weatherD. Ask a colleague to hold the cable

Correct answer: A. Damaged electrical equipment should be removed from use until properly repaired or replaced.

Question 24 of 50Safety

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

A. Collect all your toolsB. Finish the current task firstC. Wait for smoke to appearD. Stop work and follow the site's evacuation procedure

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

Question 25 of 50Safety

Why should emergency stop controls be kept unobstructed?

A. They may need to be activated immediatelyB. They increase productionC. They are only decorativeD. They prevent tools being cleaned

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

Question 26 of 50Environmental & specialist awareness

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

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

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

Question 27 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. Leave them alone to recoverC. Give them foodD. Move them immediately regardless of danger

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

Question 28 of 50Occupational health

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

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

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

Question 29 of 50Occupational health

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

A. It can prevent an effective seal against the faceB. It only affects hard hatsC. It makes filters last longerD. It increases oxygen levels

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

Question 30 of 50Environmental & specialist awareness

Why is environmental incident reporting important?

A. It is unnecessary for small sitesB. It allows prompt control, clean-up and prevention of recurrenceC. Only to calculate wagesD. It replaces spill response

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

Question 31 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. Stop work, avoid further disturbance and report itD. Keep working but wear gloves

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

Question 32 of 50Occupational health

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

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

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

Question 33 of 50Environmental & specialist awareness

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

A. It makes all waste non-hazardousB. It supports safe handling, recycling and lawful disposalC. It increases the amount of wasteD. It removes the need for skips

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

Question 34 of 50Safety

Why should access to electrical panels be kept clear?

A. To improve Wi-Fi signalB. So they can be safely reached for operation or emergency isolationC. So tools can be stored nearbyD. To allow water to drain

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

Question 35 of 50Environmental & specialist awareness

Why must waste skips not be overfilled?

A. Materials can fall out during use or transportB. It improves recyclingC. It only affects appearanceD. It makes the skip too easy to lift

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

Question 36 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. Explain that you are not competent or authorised and seek instructionB. Ask another untrained worker to helpC. Do it only if no supervisor is watchingD. Try it once to gain experience

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

Question 37 of 50Working environment

What is the main purpose of site welfare facilities?

A. To store hazardous chemicalsB. To replace first-aid arrangementsC. To provide free toolsD. To provide suitable toilets, washing, drinking water and rest facilities

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

Question 38 of 50High risk activities

Why are banksmen used for some vehicle movements?

A. To help control movements where the driver has restricted visibilityB. To replace vehicle brakesC. To inspect wagesD. To speed up reversing

Correct answer: A. A trained banksman can guide movements and help keep people out of danger zones.

Question 39 of 50Occupational health

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

A. Silicosis and other serious lung diseaseB. Sprained anklesC. Temporary eye strain onlyD. Hearing loss

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

Question 40 of 50High risk activities

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

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

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

Question 41 of 50Environmental & specialist awareness

What should you check before using a lifting accessory?

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

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

Question 42 of 50Safety

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

A. Isolate the electrical supply before touching the personB. Move the cable with a metal toolC. Pull them away with bare handsD. Pour water on the equipment

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

Question 43 of 50Working environment

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

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

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

Question 44 of 50Working environment

What should you do if a floor opening is uncovered?

A. Mark it with paint onlyB. Step around it and say nothingC. Prevent access and report it so suitable protection can be restoredD. Cover it with loose cardboard

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

Question 45 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. Send everything to general wasteD. Burn timber and packaging

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

Question 46 of 50Working environment

What is a near miss?

A. An unplanned event that caused no harm but could haveB. An event that caused a minor injury onlyC. A task completed without supervisionD. A late delivery

Correct answer: A. Near misses should be reported because they reveal hazards before a more serious incident occurs.

Question 47 of 50Occupational health

Why is asbestos dangerous?

A. Airborne fibres can cause serious diseases many years after exposureB. It causes instant electrical shockC. It always catches fireD. It only causes skin irritation

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

Question 48 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 can spread hazardous dusts or substancesD. It damages mobile phones

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

Question 49 of 50Safety

Why is horseplay unacceptable on site?

A. It only causes delaysB. It is only prohibited for apprenticesC. 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 50 of 50High risk activities

What is a major danger near reversing construction vehicles?

A. Loud radiosB. Clean windscreensC. Driver blind spotsD. Low tyre pressure only

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

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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.