FREE PRACTICE TEST 43

CSCS Mock Test 43: 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 explanationsDust, Noise And Occupational Health

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 can scratch the paintD. It is allowed if the operator agrees

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

Question 2 of 50Occupational health

What does COSHH relate to?

A. Controlling exposure to substances hazardous to healthB. Managing scaffold inspectionsC. Setting wage ratesD. Controlling vehicle parking

Correct answer: A. COSHH requires hazardous substances and exposure routes to be assessed and controlled.

Question 3 of 50High risk activities

When should work at height be avoided?

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

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

Question 4 of 50Environmental & specialist awareness

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

A. Do not open or move it unnecessarily; report it and follow site proceduresB. Smell the contentsC. Pour it into another containerD. Use it as a waste bin

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

Question 5 of 50Occupational health

How can outdoor workers reduce harm from strong sunlight?

A. Use suitable clothing, shade and sunscreen and take sensible breaksB. Use welding goggles as sunglassesC. Avoid drinking waterD. Work shirtless

Correct answer: A. UV exposure can damage skin; protective clothing, sunscreen and shade reduce risk.

Question 6 of 50Environmental & specialist awareness

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

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

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

Question 7 of 50Occupational health

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

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

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

Question 8 of 50Environmental & specialist awareness

How should asbestos waste be handled if produced by authorised asbestos work?

A. Broken into smaller pieces to save spaceB. Using the specified hazardous-waste controls and authorised disposal routeC. Mixed into general rubbleD. Burned on site

Correct answer: B. Asbestos waste requires strict packaging, labelling, transport and disposal controls.

Question 9 of 50Working environment

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

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

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

Question 10 of 50Occupational health

How can vibration exposure from power tools be reduced?

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

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

Question 11 of 50Safety

Why should emergency stop controls be kept unobstructed?

A. They prevent tools being cleanedB. They are only decorativeC. They may need to be activated immediatelyD. They increase production

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

Question 12 of 50High risk activities

Why must demolition work be carefully planned?

A. Structures can become unstable and hazards such as services and hazardous materials must be controlledB. Planning is only required for tall buildingsC. Only noise needs controllingD. Demolition is safe once windows are removed

Correct answer: A. Demolition can create collapse, falling material, service, dust and hazardous-material risks.

Question 13 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. A colleague outside with no instructionsD. Only a torch

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

Question 14 of 50Safety

Why must emergency equipment remain accessible?

A. It may be needed immediately during an incidentB. Access is optional on small sitesC. It is used for tool storageD. It is only used during inspections

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

Question 15 of 50Working environment

What is a near miss?

A. A task completed without supervisionB. An event that caused a minor injury onlyC. A late deliveryD. 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 16 of 50Safety

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

A. Wait for smoke to appearB. Collect all your toolsC. Finish the current task firstD. 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 17 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 increases oxygen levelsD. It makes filters last longer

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

Question 18 of 50Environmental & specialist awareness

How should hazardous waste be handled?

A. Washed into drainsB. Mixed with general wasteC. Segregated, labelled and disposed of through the correct authorised routeD. Burned on site

Correct answer: C. Hazardous waste requires controlled storage and disposal to protect people and the environment.

Question 19 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. Report the symptoms and seek occupational health or medical adviceC. Increase your daily exposure slowlyD. Use the tool with one hand

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

Question 20 of 50Environmental & specialist awareness

Why should plant engines not be left idling unnecessarily?

A. It prevents oil leaksB. It improves air qualityC. It wastes fuel and increases emissions and noiseD. It makes batteries last longer

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

Question 21 of 50Occupational health

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

A. Open a nearby door onlyB. Use effective extraction or water suppression at sourceC. Remove eye protectionD. Work faster to reduce exposure time

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

Question 22 of 50Occupational health

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

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

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

Question 23 of 50Environmental & specialist awareness

What is a sensible control when refuelling plant?

A. Refuel next to an open drainB. Leave the nozzle unattendedC. Use the designated area/process, avoid overfilling and have spill controls availableD. Smoke nearby so you can see wind direction

Correct answer: C. Controlled refuelling reduces fire and pollution risk.

Question 24 of 50High risk activities

What should you maintain when climbing a ladder?

A. Both hands full of toolsB. One foot onlyC. Your body leaning far to one sideD. Three points of contact where practicable

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

Question 25 of 50High risk activities

What is a major danger near reversing construction vehicles?

A. Loud radiosB. Driver blind spotsC. Low tyre pressure onlyD. Clean windscreens

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

Question 26 of 50Safety

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

A. It makes clothing shrinkB. It can drive particles into the body and create serious injury or airborne dustC. It reduces tool pressureD. It always causes hearing loss immediately

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

Question 27 of 50Working environment

What is the main purpose of a risk assessment?

A. To replace all training and supervisionB. To identify hazards, assess risk and decide suitable controlsC. To record who should be blamed after an accidentD. To make a job take longer

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

Question 28 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 replace all formal qualificationsD. To inspect payroll records

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

Question 29 of 50Safety

Why should water not be used on live electrical equipment?

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

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

Question 30 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 31 of 50Working environment

What is a method statement mainly used for?

A. Recording holiday entitlementB. Ordering materials from suppliersC. Setting out a safe sequence and method for carrying out workD. Listing employee salaries

Correct answer: C. A method statement describes how a task will be carried out safely, often alongside a risk assessment.

Question 32 of 50Working environment

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

A. Assume they will notice itB. Coordinate the work and put controls or segregation in placeC. Work fasterD. Only warn your own team

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

Question 33 of 50Working environment

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

A. Guess what it meansB. Ignore it if you are experiencedC. Copy what another worker is doing even if their task differsD. Ask for clarification before continuing

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

Question 34 of 50Environmental & specialist awareness

What should happen if you discover contaminated soil during excavation?

A. Spread it across the siteB. Wash it into a drainC. Mix it with clean soilD. 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 35 of 50High risk activities

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

A. Only the delivery driverB. The newest workerC. A designated competent signaller/banksman where requiredD. Any worker nearby

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

Question 36 of 50High risk activities

Why are overhead power lines dangerous to cranes and plant?

A. They reduce fuel efficiencyB. They make radios noisyC. They only interfere with GPSD. Electricity can arc or conduct through equipment even without direct contact

Correct answer: D. Overhead lines can cause fatal electric shock through contact or arcing, so safe clearances and controls are essential.

Question 37 of 50Safety

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

A. Use a flame to test for gasB. Ignore it outdoorsC. 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 38 of 50High risk activities

What should happen before digging where underground services may be present?

A. Check service information, locate services with suitable equipment and use safe digging methodsB. Pour water on the areaC. Rely on memory of old plansD. Start with a mechanical excavator

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

Question 39 of 50Safety

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

A. To record lunch breaksB. To issue wagesC. To replace competence requirementsD. To control certain high-risk activities through formal authorisation and precautions

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

Question 40 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 41 of 50Occupational health

Why should hearing protection fit correctly?

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

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

Question 42 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 43 of 50Safety

Why should gas cylinders be stored upright and secured where required?

A. To prevent them falling and damaging the valve or becoming a projectileB. To make labels easier to read onlyC. To keep them warmerD. To increase gas pressure

Correct answer: A. A damaged cylinder valve can release energy violently, so cylinders should be secured and correctly stored.

Question 44 of 50Safety

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

A. They are waterproofB. They remove the need for electrical inspectionsC. They can reduce the severity of electric-shock risk compared with standard mains voltageD. They make tools twice as powerful

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

Question 45 of 50Working environment

What is the main purpose of site welfare facilities?

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

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

Question 46 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 47 of 50Working environment

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

A. It is where deliveries are signed forB. You may need to report there during an emergency evacuationC. It is the normal lunch areaD. It is where tools are issued

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

Question 48 of 50Working environment

Why are site inspections carried out?

A. To identify unsafe conditions and check controls are workingB. Only to prepare for client visitsC. To decide who gets overtimeD. To replace worker training

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

Question 49 of 50Safety

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

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

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

Question 50 of 50High risk activities

What should you do if the ground beneath access equipment is soft or unstable?

A. Work fasterB. Lower tyre pressureC. Add extra people to the platformD. Stop and ensure the equipment is supported on suitable stable ground or designed measures

Correct answer: D. Unstable ground can cause overturning or collapse of access equipment.

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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.