FREE PRACTICE TEST 56

CSCS Mock Test 56: 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 explanationsFire, Electrical And Emergency Safety

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 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. No, occupants should descend and loose items be secured before movingC. Only if the brakes are partly appliedD. Yes, if moved slowly

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

Question 2 of 50Working environment

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

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

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

Question 3 of 50Environmental & specialist awareness

Why should spills be kept out of surface-water drains?

A. They only affect drinking water on siteB. They reduce concrete strengthC. They always block toiletsD. They may flow directly to watercourses and cause pollution

Correct answer: D. Many surface-water systems discharge to the environment, so pollutants must not enter them.

Question 4 of 50High risk activities

When should work at height be avoided?

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

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

Question 5 of 50Occupational health

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

A. Rely on smell to decide if it is safeB. Work fasterC. Use effective ventilation or extraction and follow the task controlsD. Hold your breath

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

Question 6 of 50High risk activities

If work at height cannot be avoided, what should be prioritised?

A. Working fasterB. Collective protection such as suitable platforms and guardrailsC. Relying only on a worker's balanceD. Removing edge protection for access

Correct answer: B. Collective fall prevention protects everyone and is generally preferred before personal fall protection.

Question 7 of 50Safety

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

A. Ask a colleague to hold the cableB. Wrap the damaged area with ordinary tape and continueC. 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 8 of 50Environmental & specialist awareness

What should happen if you discover contaminated soil during excavation?

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

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

Question 9 of 50Occupational health

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

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

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

Question 10 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. Any worker nearbyD. Only the delivery driver

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

Question 11 of 50Safety

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

A. Remove the guard permanentlyB. Keep the trigger pressedC. Ask a colleague to hold the bladeD. 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 12 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 13 of 50Occupational health

Why is asbestos dangerous?

A. It only causes skin irritationB. Airborne fibres can cause serious diseases many years after exposureC. It causes instant electrical shockD. It always catches fire

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

Question 14 of 50Safety

Why is horseplay unacceptable on site?

A. It is only prohibited for apprenticesB. It introduces unnecessary risk around hazards, tools and moving equipmentC. It is allowed during breaksD. It only causes delays

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

Question 15 of 50Working environment

What is a method statement mainly used for?

A. Ordering materials from suppliersB. Listing employee salariesC. Setting out a safe sequence and method for carrying out workD. Recording holiday entitlement

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

Question 16 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 17 of 50Safety

What is the first priority if you discover a fire?

A. Continue working unless flames are largeB. Raise the alarm and follow the emergency procedureC. Save toolsD. Open all doors

Correct answer: B. Raising the alarm allows others to evacuate and emergency arrangements to begin.

Question 18 of 50Safety

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

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

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

Question 19 of 50Working environment

What is the main purpose of site welfare facilities?

A. To provide suitable toilets, washing, drinking water and rest facilitiesB. To replace first-aid arrangementsC. To provide free toolsD. To store hazardous chemicals

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

Question 20 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. Pour it into another containerC. Smell the contentsD. Use it as a waste bin

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

Question 21 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 22 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. Ask another untrained worker to helpB. Do it only if no supervisor is watchingC. Explain that you are not competent or authorised and seek instructionD. Try it once to gain experience

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

Question 23 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 24 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 25 of 50High risk activities

What should you check before using a ladder?

A. That someone used it yesterdayB. That it has paint marksC. That it is suitable, in good condition and set up securelyD. That it is the longest ladder on site

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

Question 26 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. Give them foodC. Move them immediately regardless of dangerD. Leave them alone to recover

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

Question 27 of 50Environmental & specialist awareness

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

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

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

Question 28 of 50Working environment

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

A. Start work immediately if you know the tradeB. Wait in the welfare area until someone finds youC. Only read the emergency noticeboardD. Attend the site induction and follow the site rules

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

Question 29 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 30 of 50Occupational health

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

A. Safety Data SheetB. TimesheetC. Site map onlyD. Delivery driver's licence

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

Question 31 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 32 of 50Safety

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

A. That the casing has your initialsB. That it appears in good condition and any required inspection status is currentC. That the lead is as long as possibleD. That it is the heaviest tool available

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

Question 33 of 50Environmental & specialist awareness

Why must waste skips not be overfilled?

A. It improves recyclingB. It only affects appearanceC. Materials can fall out during use or transportD. It makes the skip too easy to lift

Correct answer: C. Overfilled skips create falling-object, transport and litter risks.

Question 34 of 50Environmental & specialist awareness

Why are exclusion zones used around overhead lifting?

A. To improve radio receptionB. To create a rest areaC. 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 35 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. To avoid using a lift planD. Damage or incorrect selection can lead to load failure

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

Question 36 of 50Working environment

What should you do if a floor opening is uncovered?

A. Cover it with loose cardboardB. Step around it and say nothingC. Prevent access and report it so suitable protection can be restoredD. Mark it with paint only

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

Question 37 of 50Environmental & specialist awareness

Why should chemical containers remain correctly labelled?

A. So users know the contents, hazards and handling requirementsB. Labels are only for delivery driversC. It increases shelf lifeD. Unlabelled containers are safer

Correct answer: A. Correct labelling is essential for identification, safe use and emergency response.

Question 38 of 50Working environment

What do green safety signs commonly identify?

A. Mandatory PPEB. Safe conditions such as emergency exits or first aidC. Prohibited activitiesD. Electrical voltage

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

Question 39 of 50Working environment

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

A. A safe escape routeB. First-aid equipmentC. A prohibition or something you must not doD. A mandatory action

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

Question 40 of 50Occupational health

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

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

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

Question 41 of 50High risk activities

Why are banksmen used for some vehicle movements?

A. To help control movements where the driver has restricted visibilityB. To inspect wagesC. To speed up reversingD. To replace vehicle brakes

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

Question 42 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 43 of 50Environmental & specialist awareness

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

A. To warm the fuelB. To reduce fire and pollution risk and allow spill containmentC. To keep them near drainsD. To make them easier to hide

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

Question 44 of 50Safety

What is the purpose of a first aider?

A. To prescribe medicationB. To diagnose every illnessC. To give appropriate immediate assistance until further medical help is availableD. To replace emergency services

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

Question 45 of 50Occupational health

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

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

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

Question 46 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 increases oxygen levelsC. It only affects hard hatsD. 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 47 of 50Occupational health

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

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

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

Question 48 of 50High risk activities

Why are toe boards fitted to many work platforms?

A. To increase platform heightB. To mark smoking areasC. 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 49 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. Walk more quickly through congested areasC. Leave waste until the end of the weekD. Only clean areas that visitors can see

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

Question 50 of 50High risk activities

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

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

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

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 55 Mock Test 57 →

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