FREE PRACTICE TEST 25

CSCS Mock Test 25: 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 explanationsPlant, Lifting And Vehicle Awareness

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 plant engines not be left idling unnecessarily?

A. It improves air qualityB. It makes batteries last longerC. It wastes fuel and increases emissions and noiseD. It prevents oil leaks

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

Question 2 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. Only warn your own teamD. Coordinate the work and put controls or segregation in place

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

Question 3 of 50Safety

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

A. That it appears in good condition and any required inspection status is currentB. That it is the heaviest tool availableC. That the casing has your initialsD. That the lead is as long as possible

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

Question 4 of 50High risk activities

Why are banksmen used for some vehicle movements?

A. To help control movements where the driver has restricted visibilityB. To speed up reversingC. To replace vehicle brakesD. To inspect wages

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

Question 5 of 50Environmental & specialist awareness

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

A. To test water pressureB. To clean workers' boots onlyC. To reduce mud and debris being tracked onto public roadsD. To cool vehicle brakes

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

Question 6 of 50Safety

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

A. To record working hoursB. To prevent equipment being energised unexpectedly during workC. To reserve equipment for one tradeD. To make equipment run faster

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

Question 7 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. Keep working but wear glovesD. Stop work, avoid further disturbance and report it

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

Question 8 of 50Environmental & specialist awareness

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

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

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

Question 9 of 50Safety

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

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

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

Question 10 of 50Safety

Before changing a blade or accessory on a power tool, what should you normally do?

A. Remove the guard permanentlyB. Ask a colleague to hold the bladeC. Keep the trigger pressedD. Isolate the tool from its power source

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

Question 11 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. It automatically leads to dismissalC. Support and adjustments may help prevent errors and protect wellbeingD. Only managers can raise such concerns

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

Question 12 of 50Occupational health

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

A. Get help or use suitable mechanical assistanceB. Drag it across an access routeC. Throw it onto a trolleyD. Try to lift it once to test yourself

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

Question 13 of 50Environmental & specialist awareness

What should happen to concrete washout water?

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

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

Question 14 of 50Working environment

What is the safest action if lighting in a work area is too poor to see hazards clearly?

A. Use a phone torch and continueB. Stop or delay the task until suitable lighting is providedC. Ask a colleague to stand nearbyD. Work more slowly without reporting it

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

Question 15 of 50Environmental & specialist awareness

What should happen if you discover contaminated soil during excavation?

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

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

Question 16 of 50Safety

What is the purpose of a first aider?

A. To give appropriate immediate assistance until further medical help is availableB. To prescribe medicationC. To diagnose every illnessD. To replace emergency services

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

Question 17 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 18 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 is the longest ladder on siteD. That it has paint marks

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

Question 19 of 50Safety

What should you do before operating unfamiliar equipment?

A. Remove warning labelsB. Try each control until you learn itC. Make sure you are trained/authorised and understand the instructions and controlsD. Operate it only at maximum speed

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

Question 20 of 50Environmental & specialist awareness

What should you check before using a lifting accessory?

A. Whether it is the newest itemB. Whether it belongs to your employerC. Identification, suitability, condition and any required examination statusD. Only its colour

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

Question 21 of 50Working environment

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

A. It is where tools are issuedB. It is the normal lunch areaC. It is where deliveries are signed forD. 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 22 of 50High risk activities

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

A. The newest workerB. A designated competent signaller/banksman where requiredC. Only the delivery driverD. Any worker nearby

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

Question 23 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. Wrap it with tapeD. Tie a knot in it

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

Question 24 of 50Working environment

What is a near miss?

A. An event that caused a minor injury onlyB. A late deliveryC. A task completed without supervisionD. An unplanned event that caused no harm but could have

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

Question 25 of 50Working environment

What does a yellow triangular safety sign normally indicate?

A. A warning or hazardB. A mandatory actionC. A prohibitionD. A safe condition or first-aid point

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

Question 26 of 50High risk activities

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

A. A warning sign onlyB. A plank across the topC. Suitable support, battering or another engineered protective systemD. High-visibility clothing only

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

Question 27 of 50Occupational health

What can prolonged exposure to high noise levels cause?

A. Better concentrationB. Stronger eyesightC. Permanent hearing damageD. Improved balance

Correct answer: C. Noise-induced hearing loss can be permanent, so exposure should be controlled and hearing protection used where required.

Question 28 of 50Occupational health

What is a common early symptom of hand-arm vibration syndrome?

A. Better circulationB. Tingling or numbness in the fingersC. Temporary hair lossD. Improved grip strength

Correct answer: B. Tingling, numbness and blanching of the fingers can be signs of vibration-related damage.

Question 29 of 50Occupational health

Why is fatigue a safety and health concern?

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

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

Question 30 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. Move them immediately regardless of dangerC. Leave them alone to recoverD. Give them food

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

Question 31 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. Open a nearby door onlyC. Remove eye protectionD. 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 32 of 50High risk activities

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

A. To make them look cleanB. To increase crane speedC. Damage or incorrect selection can lead to load failureD. To avoid using a lift plan

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

Question 33 of 50Safety

Why are reduced-voltage systems such as 110 V commonly used on construction sites?

A. They make tools twice as powerfulB. They are waterproofC. They remove the need for electrical inspectionsD. They can reduce the severity of electric-shock risk compared with standard mains voltage

Correct answer: D. Reduced-voltage supplies can reduce shock risk, but equipment still needs correct use and maintenance.

Question 34 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 35 of 50High risk activities

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

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

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

Question 36 of 50Working environment

Why should near misses be reported?

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

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

Question 37 of 50Environmental & specialist awareness

What should you do if a chemical container is leaking?

A. Carry it through the site by handB. Hide it in general wasteC. Pour the contents into a drainD. Keep people away, follow the spill procedure and report it

Correct answer: D. Leaks should be controlled using suitable spill and hazardous-substance procedures.

Question 38 of 50Working environment

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

A. Climb over the materialsB. Use the vehicle route insteadC. Leave it until the next deliveryD. 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 39 of 50Environmental & specialist awareness

Why is environmental incident reporting important?

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

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

Question 40 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 41 of 50Environmental & specialist awareness

Why should noisy work be planned carefully near neighbours?

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

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

Question 42 of 50High risk activities

What should you maintain when climbing a ladder?

A. One foot onlyB. Your body leaning far to one sideC. Three points of contact where practicableD. Both hands full of tools

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

Question 43 of 50Working environment

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

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

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

Question 44 of 50Occupational health

Where can you find manufacturer information about the hazards and safe handling of a chemical product?

A. Safety Data SheetB. Site map onlyC. Delivery driver's licenceD. Timesheet

Correct answer: A. Safety Data Sheets provide hazard, handling, storage and emergency information for chemical products.

Question 45 of 50High risk activities

When should work at height be avoided?

A. Only when it rainsB. Never; ladders are always acceptableC. Only above five metresD. Whenever the task can reasonably be done from a safe position without working at height

Correct answer: D. The hierarchy for work at height starts by avoiding work at height where reasonably practicable.

Question 46 of 50Safety

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

A. They are optional for experienced workersB. They are only required during inspectionsC. They reduce productivity onlyD. They are designed to reduce exposure to dangerous movement or conditions

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

Question 47 of 50Safety

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

A. Wrap the damaged area with ordinary tape and continueB. Ask a colleague to hold the cableC. Stop using it, isolate it from use and report the defectD. Use it only in dry weather

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

Question 48 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. Leave waste until the end of the weekD. Walk more quickly through congested areas

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

Question 49 of 50Occupational health

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

A. Lift quickly before you get tiredB. Twist your back to get momentumC. Carry it above shoulder heightD. Assess the load, route and whether mechanical help or assistance is needed

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

Question 50 of 50Occupational health

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

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

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

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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.