FREE PRACTICE TEST 55

CSCS Mock Test 55: 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 may wheel-wash facilities be used at site exits?

A. To test water pressureB. To cool vehicle brakesC. To clean workers' boots onlyD. To reduce mud and debris being tracked onto public roads

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

Question 2 of 50High risk activities

When should work at height be avoided?

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

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

Question 3 of 50High risk activities

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

A. Add extra people to the platformB. Stop and ensure the equipment is supported on suitable stable ground or designed measuresC. Work fasterD. Lower tyre pressure

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

Question 4 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 5 of 50Working environment

What does a yellow triangular safety sign normally indicate?

A. A warning or hazardB. A prohibitionC. A safe condition or first-aid pointD. A mandatory action

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

Question 6 of 50High risk activities

Before using a MEWP, what should the operator confirm?

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

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

Question 7 of 50Environmental & specialist awareness

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

A. Use louder machineryB. Move the nest yourselfC. Stop or follow the ecological controls and seek advice before disturbing themD. Ignore it if the programme is busy

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

Question 8 of 50High risk activities

Before entering a confined space, what should be in place?

A. A colleague outside with no instructionsB. A mobile phoneC. A suitable risk assessment, permit/control system and emergency/rescue arrangementsD. Only a torch

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

Question 9 of 50Environmental & specialist awareness

What is a sensible control when refuelling plant?

A. Use the designated area/process, avoid overfilling and have spill controls availableB. Smoke nearby so you can see wind directionC. Refuel next to an open drainD. Leave the nozzle unattended

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

Question 10 of 50High risk activities

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

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

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

Question 11 of 50Safety

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

A. Remove the safety guardB. Increase the speedC. Hit it to make it work normallyD. Stop using it and report/check the defect

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

Question 12 of 50Working environment

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

A. Use the vehicle route insteadB. Arrange for the obstruction to be cleared and keep the route usableC. Leave it until the next deliveryD. Climb over the materials

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

Question 13 of 50Safety

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

A. It changes the voltage colourB. It makes tools too quietC. It can remove important protection against electric shockD. It only affects battery life

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

Question 14 of 50Safety

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

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

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

Question 15 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 replace guardrailsC. To increase platform heightD. To mark smoking areas

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

Question 16 of 50Working environment

What should you do if a safety barrier has been moved and no longer protects an opening?

A. Assume someone else will fix itB. Wait until the end of the shiftC. Report it and make sure the area is secured before exposure continuesD. Put a warning note nearby and carry on

Correct answer: C. Missing barriers can expose people to serious falls; the area should be secured and the defect reported promptly.

Question 17 of 50Safety

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

A. To make labels easier to read onlyB. To increase gas pressureC. To prevent them falling and damaging the valve or becoming a projectileD. To keep them warmer

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

Question 18 of 50Safety

What is the purpose of a first aider?

A. To give appropriate immediate assistance until further medical help is availableB. To replace emergency servicesC. To prescribe medicationD. To diagnose every illness

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

Question 19 of 50Working environment

Why are toolbox talks used on construction sites?

A. To inspect payroll recordsB. To replace all formal qualificationsC. To discuss short, relevant safety topics with the workforceD. To allocate annual leave

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

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 makes batteries last longerD. It wastes fuel and increases emissions and noise

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

Question 21 of 50Occupational health

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

A. Sprained anklesB. Hearing lossC. Temporary eye strain onlyD. Silicosis and other serious lung disease

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

Question 22 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 the casing has your initialsD. That it appears in good condition and any required inspection status is current

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

Question 23 of 50Working environment

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

A. Stop and ask for the risk assessment or method to be reviewedB. Ignore the change if the task is almost finishedC. Ask a colleague to take responsibilityD. Continue because the paperwork has already been signed

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

Question 24 of 50Occupational health

Why should hearing protection fit correctly?

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

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

Question 25 of 50Working environment

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

A. It is the normal lunch areaB. It is where tools are issuedC. You may need to report there during an emergency evacuationD. It is where deliveries are signed for

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

Question 26 of 50Working environment

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

A. Ask for clarification before continuingB. Guess what it meansC. Copy what another worker is doing even if their task differsD. Ignore it if you are experienced

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

Question 27 of 50Safety

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

A. Isolate the tool from its power sourceB. Remove the guard permanentlyC. Keep the trigger pressedD. Ask a colleague to hold the blade

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

Question 28 of 50Environmental & specialist awareness

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

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

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

Question 29 of 50Occupational health

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

A. Cover it with dustB. Rub the area vigorouslyC. Wait until the end of the shiftD. Follow the product/site emergency instructions, rinse as directed and seek help if needed

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

Question 30 of 50Occupational health

What should you do before using a hazardous substance you have not used before?

A. Use it outdoors without further checksB. Check the assessment, label/SDS and required controlsC. Mix it with waterD. Smell it to identify the hazard

Correct answer: B. You should understand the hazards, exposure routes and controls before use.

Question 31 of 50Environmental & specialist awareness

Why should fuel containers be stored in a suitable designated area?

A. To make them easier to hideB. To reduce fire and pollution risk and allow spill containmentC. To warm the fuelD. To keep them near drains

Correct answer: B. Suitable fuel storage helps prevent leaks, ignition and environmental contamination.

Question 32 of 50Safety

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

A. They are only required during inspectionsB. They reduce productivity onlyC. They are designed to reduce exposure to dangerous movement or conditionsD. They are optional for experienced workers

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

Question 33 of 50Environmental & specialist awareness

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

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

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

Question 34 of 50High risk activities

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

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

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

Question 35 of 50Environmental & specialist awareness

Why are exclusion zones used around overhead lifting?

A. To improve radio receptionB. To prevent people entering areas where loads or objects could fall or swingC. To keep vehicles cleanD. To create a rest area

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

Question 36 of 50Environmental & specialist awareness

What should you do if a chemical container is leaking?

A. Carry it through the site by handB. Pour the contents into a drainC. 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 37 of 50Occupational health

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

A. Temporary hair lossB. Tingling or numbness in the fingersC. Improved grip strengthD. Better circulation

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

Question 38 of 50Occupational health

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

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

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

Question 39 of 50Environmental & specialist awareness

Why should site lighting be directed carefully at night?

A. To increase fuel useB. To make wildlife easier to attractC. To replace barriersD. To provide safe illumination while reducing glare and nuisance to neighbours and road users

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

Question 40 of 50Occupational health

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

A. Site map onlyB. TimesheetC. Delivery driver's licenceD. Safety Data Sheet

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

Question 41 of 50Occupational health

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

A. Wear extra layersB. Keep working until the task is completeC. Drink only energy drinksD. 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 42 of 50Working environment

Why should near misses be reported?

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

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

Question 43 of 50Occupational health

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

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

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

Question 44 of 50Working environment

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

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

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

Question 45 of 50Safety

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

A. Paint a warning sign on itB. Leave it because it improves ventilationC. Remove the obstruction if safe and report the issueD. Lock the door

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

Question 46 of 50Safety

Where should flammable materials be kept?

A. Under stairways used for evacuationB. In escape routesC. In designated storage away from ignition sources, following site rulesD. Next to heaters so they stay dry

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

Question 47 of 50Occupational health

What should you do if you develop persistent numbness in your fingers after using vibrating tools?

A. Report the symptoms and seek occupational health or medical adviceB. Increase your daily exposure slowlyC. Use the tool with one handD. Ignore it until the next annual check

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

Question 48 of 50High risk activities

Should a mobile access tower be moved while people or loose materials are on the platform?

A. Yes, if two people pushB. Yes, if moved slowlyC. Only if the brakes are partly appliedD. No, occupants should descend and loose items be secured before moving

Correct answer: D. Moving an occupied tower can cause overturning or falls.

Question 49 of 50Working environment

What does a blue circular safety sign usually mean?

A. A mandatory action must be followedB. A fire extinguisher is nearbyC. A substance is toxicD. An action is prohibited

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

Question 50 of 50High risk activities

What is a key hazard in a confined space?

A. Excess floor spaceB. Mobile phone receptionC. A dangerous atmosphere, including low oxygen or toxic gasesD. Too much daylight

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

Your answers are now marked below. Review the explanations, then retake this test or move to another full mock.

Choose Another Mock View Training Options

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.

← Mock Test 54 Mock Test 56 →

Updated 2026-08-19. Questions are original revision content designed around common construction health, safety and environmental principles.