FREE PRACTICE TEST 35

CSCS Mock Test 35: 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

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

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

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

Question 2 of 50Working environment

Why should near misses be reported?

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

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

Question 3 of 50Environmental & specialist awareness

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

A. To reduce mud and debris being tracked onto public roadsB. To clean workers' boots onlyC. To cool vehicle brakesD. To test water pressure

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

Question 4 of 50Environmental & specialist awareness

What is the purpose of a spill kit?

A. To test concrete strengthB. To contain and absorb certain spills so they can be handled safelyC. To repair electrical toolsD. To clean PPE only

Correct answer: B. Spill kits provide materials for containment, absorption and controlled clean-up.

Question 5 of 50Environmental & specialist awareness

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

A. Throw them into firesB. Put them in general food wasteC. Leave them outdoorsD. Place them in the designated waste/recycling stream

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

Question 6 of 50Safety

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

A. Use it only in dry weatherB. Stop using it, isolate it from use and report the defectC. Ask a colleague to hold the cableD. Wrap the damaged area with ordinary tape and continue

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

Question 7 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. Arrange for the obstruction to be cleared and keep the route usableD. Climb over the materials

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

Question 8 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. Tie a knot in itC. Remove it from use and report itD. Wrap it with tape

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

Question 9 of 50Occupational health

Why should contaminated work clothing not be taken into clean eating areas?

A. It is only a company image issueB. It can spread hazardous dusts or substancesC. It makes the room warmerD. It damages mobile phones

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

Question 10 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 diagnose every illnessD. To prescribe medication

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

Question 11 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 12 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. Continue because the paperwork has already been signedC. 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 13 of 50Environmental & specialist awareness

What should happen if you discover contaminated soil during excavation?

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

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

Question 14 of 50Working environment

What does a yellow triangular safety sign normally indicate?

A. A safe condition or first-aid pointB. A prohibitionC. A mandatory actionD. A warning or hazard

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

Question 15 of 50Safety

If someone has a serious injury, what should you do?

A. Give them foodB. Leave them alone to recoverC. Raise the alarm/get first aid and emergency help in line with site proceduresD. Move them immediately regardless of danger

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

Question 16 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. A designated competent signaller/banksman where requiredD. Only the delivery driver

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

Question 17 of 50Safety

When is it appropriate to try to use a fire extinguisher?

A. Only if you are trained, it is safe and you have a clear escape routeB. Only after the fire alarm stopsC. If you can stand between the fire and the exitD. Whenever any fire is visible

Correct answer: A. Life safety comes first; extinguishers should only be used when trained and conditions are safe.

Question 18 of 50Environmental & specialist awareness

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

A. Wave from behind the craneB. Follow the exclusion-zone and communication controls and obtain permission if requiredC. Assume the operator can see youD. Walk under the hook quickly

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

Question 19 of 50Safety

What should you do before operating unfamiliar equipment?

A. Try each control until you learn itB. Operate it only at maximum speedC. Remove warning labelsD. Make sure you are trained/authorised and understand the instructions and controls

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

Question 20 of 50Working environment

What do green safety signs commonly identify?

A. Mandatory PPEB. Prohibited activitiesC. Safe conditions such as emergency exits or first aidD. Electrical voltage

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

Question 21 of 50Occupational health

Why is health surveillance used for some construction hazards?

A. To detect early signs of work-related ill health where appropriateB. To measure productivity onlyC. To decide who can take breaksD. To replace risk controls

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

Question 22 of 50Occupational health

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

A. TimesheetB. Site map onlyC. Safety Data SheetD. Delivery driver's licence

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

Question 23 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. Keep the trigger pressedC. Remove the guard permanentlyD. 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 24 of 50Occupational health

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

A. Smell it to identify the hazardB. Mix it with waterC. Check the assessment, label/SDS and required controlsD. Use it outdoors without further checks

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

Question 25 of 50Occupational health

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

A. Work fasterB. Hold your breathC. Rely on smell to decide if it is safeD. Use effective ventilation or extraction and follow the task controls

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

Question 26 of 50Working environment

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

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

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

Question 27 of 50High risk activities

What is a key hazard in a confined space?

A. Mobile phone receptionB. A dangerous atmosphere, including low oxygen or toxic gasesC. Excess floor spaceD. Too much daylight

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

Question 28 of 50Occupational health

Why is asbestos dangerous?

A. Airborne fibres can cause serious diseases many years after exposureB. It always catches fireC. It only causes skin irritationD. It causes instant electrical shock

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

Question 29 of 50High risk activities

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

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

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

Question 30 of 50Working environment

Why should materials be stored securely and tidily?

A. To reduce collapse, trip and access risksB. To avoid using storage racksC. Only to improve photographs of the siteD. So workers can climb on them

Correct answer: A. Stable, organised storage helps prevent falling materials, blocked routes and manual handling problems.

Question 31 of 50Environmental & specialist awareness

Why are exclusion zones used around overhead lifting?

A. To create a rest areaB. To improve radio receptionC. To keep vehicles cleanD. To prevent people entering areas where loads or objects could fall or swing

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

Question 32 of 50Working environment

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

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

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

Question 33 of 50Working environment

What should you do when you arrive at a construction site for the first time?

A. Wait in the welfare area until someone finds youB. Start work immediately if you know the tradeC. Attend the site induction and follow the site rulesD. Only read the emergency noticeboard

Correct answer: C. A site induction explains local hazards, emergency arrangements, welfare facilities and site-specific rules before work begins.

Question 34 of 50Environmental & specialist awareness

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

A. It slows the engineB. It can scratch the paintC. It is allowed if the operator agreesD. 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 35 of 50Environmental & specialist awareness

What should you check before using a lifting accessory?

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

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

Question 36 of 50Occupational health

Why should you wash your hands before eating or smoking after handling hazardous materials?

A. To reduce accidental ingestion or transfer of contaminantsB. To improve grip strengthC. To reduce vibrationD. To prevent hearing damage

Correct answer: A. Handwashing prevents hazardous substances being transferred to food, cigarettes or the face.

Question 37 of 50High risk activities

Before using a MEWP, what should the operator confirm?

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

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

Question 38 of 50High risk activities

What should you maintain when climbing a ladder?

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

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

Question 39 of 50Occupational health

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

A. Stop, move to a cooler area, hydrate and report symptomsB. Wear extra layersC. Keep working until the task is completeD. Drink only energy drinks

Correct answer: A. Heat illness can worsen quickly; early cooling, hydration and reporting are important.

Question 40 of 50Safety

Why must emergency equipment remain accessible?

A. It is used for tool storageB. It may be needed immediately during an incidentC. Access is optional on small sitesD. It is only used during inspections

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

Question 41 of 50Working environment

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

A. Only a visiting inspectorB. Only the health and safety managerC. Only the person who created the hazardD. Anyone who notices the hazard

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

Question 42 of 50Environmental & specialist awareness

What should you do first if oil or fuel is spilled on site?

A. Stop the source if safe, contain the spill and follow the site's spill procedureB. Wash it into a surface-water drainC. Cover it with soil and leave itD. Ignore small spills

Correct answer: A. Prompt containment helps prevent pollution and allows correct clean-up and disposal.

Question 43 of 50High risk activities

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

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

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

Question 44 of 50High risk activities

What is a major hazard of fragile roofs?

A. They attract lightningB. A person can fall through the roof surfaceC. They cannot get wetD. They always contain asbestos

Correct answer: B. Fragile materials may not support a person's weight and require specific access and fall controls.

Question 45 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 46 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. Twist your back to get momentumC. Lift quickly before you get tiredD. Carry it above shoulder height

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

Question 47 of 50High risk activities

What should you do if a scaffold appears incomplete or has missing guardrails?

A. Use it only below the first liftB. Use it if you stay near the wallC. Add a rope as a handrail yourselfD. Do not use it and report the defect

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

Question 48 of 50Safety

What is the safest approach to trailing electrical leads?

A. Cover them with loose cardboardB. Route or protect them so they do not create trip or damage hazardsC. Stretch them tightly across doorwaysD. Run them through standing water

Correct answer: B. Cables should be managed to prevent trips, crushing, cuts and water exposure.

Question 49 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 50 of 50Occupational health

Why must respiratory protective equipment be suitable for the hazard?

A. The colour is the only important factorB. Different filters and respirators protect against different contaminantsC. RPE replaces all other controlsD. All masks provide identical protection

Correct answer: B. RPE must be correctly selected for the contaminant, concentration and task.

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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.