FREE PRACTICE TEST 05

CSCS Mock Test 05: 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 50Safety

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

A. They are optional for experienced workersB. They are designed to reduce exposure to dangerous movement or conditionsC. They are only required during inspectionsD. They reduce productivity only

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

Question 2 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 3 of 50Environmental & specialist awareness

Why are exclusion zones used around overhead lifting?

A. To create a rest areaB. To prevent people entering areas where loads or objects could fall or swingC. To improve radio receptionD. To keep vehicles clean

Correct answer: B. Exclusion protects people from dropped or moving loads.

Question 4 of 50High risk activities

Before using a MEWP, what should the operator confirm?

A. It can be driven on any slopeB. Guardrails can be removed for accessC. They are trained/authorised and the machine and ground conditions are suitableD. The platform can carry unlimited weight

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

Question 5 of 50Working environment

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

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

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

Question 6 of 50Occupational health

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

A. TimesheetB. Site map onlyC. Delivery driver's licenceD. Safety Data Sheet

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

Question 7 of 50Occupational health

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

A. Assess the load, route and whether mechanical help or assistance is neededB. Carry it above shoulder heightC. Lift quickly before you get tiredD. Twist your back to get momentum

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

Question 8 of 50Working environment

What do green safety signs commonly identify?

A. Safe conditions such as emergency exits or first aidB. Prohibited activitiesC. Electrical voltageD. Mandatory PPE

Correct answer: A. Green signs are associated with safe conditions such as emergency exits and first-aid locations.

Question 9 of 50High risk activities

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

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

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

Question 10 of 50Environmental & specialist awareness

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

A. It is allowed if the operator agreesB. It slows the engineC. It can scratch the paintD. They are not designed as personnel platforms and a fall or crushing injury can result

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

Question 11 of 50High risk activities

Why are toe boards fitted to many work platforms?

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

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

Question 12 of 50Working environment

Why is clear communication important when several trades work in the same area?

A. It removes the need for permitsB. It means PPE is no longer requiredC. It allows each trade to ignore the othersD. It helps coordinate hazards and prevents conflicting activities

Correct answer: D. Coordination reduces risks created by simultaneous or overlapping work activities.

Question 13 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. Stop and ask for the risk assessment or method to be reviewedD. Continue because the paperwork has already been signed

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

Question 14 of 50Environmental & specialist awareness

What is the best general approach to construction waste?

A. Burn timber and packagingB. Prevent or reduce waste first, then reuse/recycle where practicable before disposalC. Send everything to general wasteD. Bury waste on site

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

Question 15 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 16 of 50High risk activities

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

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

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

Question 17 of 50Working environment

What does a blue circular safety sign usually mean?

A. A mandatory action must be followedB. A fire extinguisher is nearbyC. An action is prohibitedD. A substance is toxic

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

Question 18 of 50Environmental & specialist awareness

How should hazardous waste be handled?

A. Mixed with general wasteB. Burned on siteC. Washed into drainsD. Segregated, labelled and disposed of through the correct authorised route

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

Question 19 of 50Occupational health

If a hearing-protection zone is marked, what should you do?

A. Wear the specified hearing protectionB. Use headphones insteadC. Ignore the sign if you are there brieflyD. Only wear protection when machinery stops

Correct answer: A. Mandatory hearing protection zones indicate that suitable hearing protection must be worn.

Question 20 of 50Environmental & specialist awareness

What should happen to concrete washout water?

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

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

Question 21 of 50Working environment

What is a near miss?

A. A task completed without supervisionB. An unplanned event that caused no harm but could haveC. An event that caused a minor injury onlyD. A late delivery

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

Question 22 of 50Environmental & specialist awareness

What should you do if a chemical container is leaking?

A. Pour the contents into a drainB. Carry it through the site by handC. Keep people away, follow the spill procedure and report itD. Hide it in general waste

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

Question 23 of 50Environmental & specialist awareness

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

A. Place them in the designated waste/recycling streamB. Leave them outdoorsC. Put them in general food wasteD. Throw them into fires

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

Question 24 of 50Safety

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

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

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

Question 25 of 50Safety

Why should emergency stop controls be kept unobstructed?

A. They increase productionB. They are only decorativeC. They prevent tools being cleanedD. 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 26 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 changes the voltage colourD. It can remove important protection against electric shock

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

Question 27 of 50Safety

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

A. Use a flame to test for gasB. Switch electrical equipment on to find the sourceC. Stop work, avoid ignition sources, move to safety and follow the emergency procedureD. Ignore it outdoors

Correct answer: C. Suspected gas leaks require prompt isolation from ignition and emergency reporting.

Question 28 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. Isolate the electrical supply before touching the personC. Pull them away with bare handsD. Move the cable with a metal tool

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

Question 29 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 it has paint marksC. That it is the longest ladder on siteD. That someone used it yesterday

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

Question 30 of 50Environmental & specialist awareness

What should happen if you discover contaminated soil during excavation?

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

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

Question 31 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 the lead is as long as possibleC. That the casing has your initialsD. That it is the heaviest tool available

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

Question 32 of 50Safety

Where should flammable materials be kept?

A. In escape routesB. Under stairways used for evacuationC. Next to heaters so they stay dryD. In designated storage away from ignition sources, following site rules

Correct answer: D. Segregated, suitable storage reduces fire and ignition risk.

Question 33 of 50Occupational health

Which lifting technique is generally safer for a manageable load?

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

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

Question 34 of 50Occupational health

Why should hearing protection fit correctly?

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

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

Question 35 of 50High risk activities

What is a major danger near reversing construction vehicles?

A. Clean windscreensB. Loud radiosC. 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.

Question 36 of 50High risk activities

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

A. Lower tyre pressureB. Work fasterC. 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.

Question 37 of 50Environmental & specialist awareness

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

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

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

Question 38 of 50Working environment

Why are site inspections carried out?

A. Only to prepare for client visitsB. To replace worker trainingC. To identify unsafe conditions and check controls are workingD. To decide who gets overtime

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

Question 39 of 50High risk activities

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

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

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

Question 40 of 50Safety

If a tool starts behaving unusually, what should you do?

A. Remove the safety guardB. Hit it to make it work normallyC. Stop using it and report/check the defectD. Increase the speed

Correct answer: C. Unusual noise, vibration or operation can indicate a dangerous defect.

Question 41 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. Add a rope as a handrail yourselfC. Do not use it and report the defectD. Use it only below the first lift

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

Question 42 of 50Occupational health

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

A. Drag it across an access routeB. Try to lift it once to test yourselfC. 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 43 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. Work faster to reduce exposure timeC. 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 44 of 50Working environment

What should you do if a floor opening is uncovered?

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

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

Question 45 of 50Safety

Why is horseplay unacceptable on site?

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

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

Question 46 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 47 of 50High risk activities

What is a key hazard in a confined space?

A. Too much daylightB. Mobile phone receptionC. Excess floor spaceD. A dangerous atmosphere, including low oxygen or toxic gases

Correct answer: D. Confined spaces can contain life-threatening atmospheres and require strict planning and controls.

Question 48 of 50Working environment

Why should near misses be reported?

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

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

Question 49 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. Try it once to gain experienceB. Ask another untrained worker to helpC. Do it only if no supervisor is watchingD. Explain that you are not competent or authorised and seek instruction

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

Question 50 of 50Occupational health

Why is health surveillance used for some construction hazards?

A. To replace risk controlsB. To decide who can take breaksC. To detect early signs of work-related ill health where appropriateD. To measure productivity only

Correct answer: C. Health surveillance can help detect early effects of exposure, but it does not replace prevention and control.

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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.