FREE PRACTICE TEST 13

CSCS Mock Test 13: 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 50Occupational health

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

Correct answer: B. Prompt decontamination and following the safety data/site procedure can limit injury.
Question 2 of 50Occupational health

How can vibration exposure from power tools be reduced?

Correct answer: B. Tool selection, maintenance and exposure management are key controls for vibration risk.
Question 3 of 50High risk activities

Why are banksmen used for some vehicle movements?

Correct answer: D. A trained banksman can guide movements and help keep people out of danger zones.
Question 4 of 50Safety

What should you do with a defective ladder, tool or piece of equipment?

Correct answer: A. Defective equipment should be prevented from being used until made safe.
Question 5 of 50High risk activities

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

Correct answer: C. Moving an occupied tower can cause overturning or falls.
Question 6 of 50Safety

If you spill a flammable liquid, what is the safest response?

Correct answer: A. Flammable spills can ignite and spread; site spill and fire controls should be followed.
Question 7 of 50Safety

What should you do if a machine guard is missing?

Correct answer: B. Guards are a primary control against contact with dangerous moving parts.
Question 8 of 50Safety

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

Correct answer: D. Pre-use checks can identify obvious damage before the tool is energised.
Question 9 of 50Environmental & specialist awareness

Why must waste skips not be overfilled?

Correct answer: B. Overfilled skips create falling-object, transport and litter risks.
Question 10 of 50Safety

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

Correct answer: C. Life safety comes first; extinguishers should only be used when trained and conditions are safe.
Question 11 of 50Environmental & specialist awareness

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

Correct answer: A. Batteries can contain hazardous materials and should follow the site's designated disposal route.
Question 12 of 50High risk activities

Why should lifting accessories such as slings be checked before use?

Correct answer: B. Lifting accessories must be suitable and free from defects that could compromise their strength.
Question 13 of 50Environmental & specialist awareness

What is the purpose of bunding around some fuel or chemical storage?

Correct answer: D. Secondary containment helps stop liquids spreading into soil or drainage systems.
Question 14 of 50Safety

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

Correct answer: A. Serious injuries require prompt first-aid and emergency response; unnecessary movement can worsen some injuries.
Question 15 of 50Occupational health

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

Correct answer: A. Face-fit testing helps confirm that a tight-fitting mask is suitable for the individual wearer.
Question 16 of 50Occupational health

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

Correct answer: C. Segregating contaminated clothing helps prevent secondary exposure by ingestion or transfer.
Question 17 of 50Occupational health

Why is asbestos dangerous?

Correct answer: D. Inhaled asbestos fibres can cause fatal lung diseases with long latency periods.
Question 18 of 50Working environment

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

Correct answer: D. The assembly point allows people to be accounted for after an evacuation.
Question 19 of 50Occupational health

How can outdoor workers reduce harm from strong sunlight?

Correct answer: B. UV exposure can damage skin; protective clothing, sunscreen and shade reduce risk.
Question 20 of 50High risk activities

Why must demolition work be carefully planned?

Correct answer: D. Demolition can create collapse, falling material, service, dust and hazardous-material risks.
Question 21 of 50High risk activities

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

Correct answer: B. Incomplete scaffolds can expose users to falls; they should not be used until made safe.
Question 22 of 50Occupational health

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

Correct answer: C. Safety Data Sheets provide hazard, handling, storage and emergency information for chemical products.
Question 23 of 50Environmental & specialist awareness

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

Correct answer: D. Asbestos waste requires strict packaging, labelling, transport and disposal controls.
Question 24 of 50Safety

If someone is receiving an electric shock from live equipment, what should you do first if it is safe?

Correct answer: B. You must avoid becoming a second casualty; safely isolate the power before contact.
Question 25 of 50Environmental & specialist awareness

What is the best general approach to construction waste?

Correct answer: A. Waste prevention and reuse generally sit above recycling and disposal in the waste hierarchy.
Question 26 of 50Working environment

What is the main purpose of a risk assessment?

Correct answer: D. Risk assessment is used to identify hazards and put proportionate controls in place before people are harmed.
Question 27 of 50Occupational health

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

Correct answer: A. Heat illness can worsen quickly; early cooling, hydration and reporting are important.
Question 28 of 50Environmental & specialist awareness

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

Correct answer: B. Ecological constraints should be identified and managed in line with site and legal requirements.
Question 29 of 50Working environment

Why should designated pedestrian routes be used around moving plant?

Correct answer: A. Segregating pedestrians from moving vehicles is a key control for workplace transport risks.
Question 30 of 50High risk activities

What should you do if you lose sight of the banksman while operating plant under their guidance?

Correct answer: C. Loss of communication can put people at risk; movement should stop until the signal system is restored.
Question 31 of 50Working environment

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

Correct answer: A. Activities should be coordinated so one team's work does not expose others to uncontrolled risk.
Question 32 of 50High risk activities

Why are toe boards fitted to many work platforms?

Correct answer: D. Toe boards are part of edge protection and help contain materials on the platform.
Question 33 of 50High risk activities

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

Correct answer: D. Clear communication through a designated competent signaller helps prevent conflicting instructions.
Question 34 of 50Environmental & specialist awareness

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

Correct answer: D. People should only be lifted using equipment designed and authorised for lifting persons.
Question 35 of 50Occupational health

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

Correct answer: D. Tingling, numbness and blanching of the fingers can be signs of vibration-related damage.
Question 36 of 50Occupational health

Why can facial hair be a problem with tight-fitting respirators?

Correct answer: B. Tight-fitting respirators rely on a good face seal; facial hair in the seal area can create leaks.
Question 37 of 50High risk activities

Who should operate an excavator, telehandler or similar plant?

Correct answer: C. Plant operation requires competence and site authorisation appropriate to the equipment and task.
Question 38 of 50Environmental & specialist awareness

What should you do if strong winds begin affecting a lifting or access operation?

Correct answer: C. Wind can affect cranes, MEWPs, towers and loads; manufacturer and lift-plan limits must be respected.
Question 39 of 50High risk activities

What should be provided where an excavation is at risk of collapse?

Correct answer: C. Excavation sides need appropriate support or safe shaping where collapse risk exists.
Question 40 of 50Safety

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

Correct answer: C. Protective electrical features are safety controls and must not be bypassed.
Question 41 of 50Working environment

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

Correct answer: D. A site induction explains local hazards, emergency arrangements, welfare facilities and site-specific rules before work begins.
Question 42 of 50Working environment

What is a near miss?

Correct answer: C. Near misses should be reported because they reveal hazards before a more serious incident occurs.
Question 43 of 50Working environment

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

Correct answer: D. Missing barriers can expose people to serious falls; the area should be secured and the defect reported promptly.
Question 44 of 50Working environment

Why are exclusion zones set up around certain activities?

Correct answer: C. Exclusion zones reduce exposure to hazards such as lifting operations, demolition, plant or falling materials.
Question 45 of 50Safety

Why is horseplay unacceptable on site?

Correct answer: D. Construction sites contain serious hazards; distraction and horseplay can lead to injury.
Question 46 of 50Environmental & specialist awareness

What is a sensible control when refuelling plant?

Correct answer: C. Controlled refuelling reduces fire and pollution risk.
Question 47 of 50Safety

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

Correct answer: D. Secure isolation helps prevent dangerous unexpected energisation or movement.
Question 48 of 50Environmental & specialist awareness

Why should different waste streams be separated where the site system requires it?

Correct answer: B. Segregation can improve recycling and prevent contamination of recyclable or hazardous waste streams.
Question 49 of 50Working environment

Why are toolbox talks used on construction sites?

Correct answer: D. Toolbox talks provide focused, practical reminders about hazards, controls and safe working methods.
Question 50 of 50Working environment

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

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

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

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.

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

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