FREE PRACTICE TEST 07

CSCS Mock Test 07: 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 explanationsCoshh, Rpe And Hazardous Substances
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

What is a key hazard in a confined space?

Correct answer: C. Confined spaces can contain life-threatening atmospheres and require strict planning and controls.
Question 2 of 50High risk activities

When should work at height be avoided?

Correct answer: D. The hierarchy for work at height starts by avoiding work at height where reasonably practicable.
Question 3 of 50Environmental & specialist awareness

What should happen to concrete washout water?

Correct answer: C. Concrete wash water is highly alkaline and can pollute water and soil.
Question 4 of 50Occupational health

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

Correct answer: B. Fine silica dust can penetrate deep into the lungs and cause serious, irreversible disease.
Question 5 of 50Environmental & specialist awareness

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

Correct answer: D. Wind can affect cranes, MEWPs, towers and loads; manufacturer and lift-plan limits must be respected.
Question 6 of 50Working environment

If you see someone enter a clearly marked exclusion zone without authorisation, what is the safest response?

Correct answer: D. Unauthorised entry should be challenged safely and reported so the hazard remains controlled.
Question 7 of 50Occupational health

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

Correct answer: A. Engineering controls such as local exhaust ventilation can remove fumes at source.
Question 8 of 50Safety

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

Correct answer: B. Isolation prevents accidental start-up while hands are near the cutting or moving parts.
Question 9 of 50Working environment

Why should emergency routes and exits never be blocked?

Correct answer: A. Emergency routes must stay available so people can leave quickly and safely.
Question 10 of 50Safety

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

Correct answer: B. Serious injuries require prompt first-aid and emergency response; unnecessary movement can worsen some injuries.
Question 11 of 50Working environment

What is the main purpose of site welfare facilities?

Correct answer: B. Suitable welfare arrangements support hygiene, health and safe working conditions.
Question 12 of 50High risk activities

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

Correct answer: B. Confined-space entry requires planning, atmospheric controls where needed, competent people and rescue arrangements.
Question 13 of 50Occupational health

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

Correct answer: D. Safety Data Sheets provide hazard, handling, storage and emergency information for chemical products.
Question 14 of 50High risk activities

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

Correct answer: C. Excavation risk depends on ground, depth, loads, access, services and other conditions—not one simple depth threshold.
Question 15 of 50Occupational health

Why is fatigue a safety and health concern?

Correct answer: C. Fatigue can impair performance and increase the likelihood of mistakes and incidents.
Question 16 of 50Environmental & specialist awareness

Why is environmental incident reporting important?

Correct answer: C. Reporting helps limit impacts and supports corrective action.
Question 17 of 50Safety

Why is horseplay unacceptable on site?

Correct answer: D. Construction sites contain serious hazards; distraction and horseplay can lead to injury.
Question 18 of 50Working environment

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

Correct answer: B. Missing barriers can expose people to serious falls; the area should be secured and the defect reported promptly.
Question 19 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 20 of 50Environmental & specialist awareness

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

Correct answer: A. Unknown substances should be treated cautiously until identified and assessed.
Question 21 of 50Occupational health

What can repeated skin contact with wet cement cause?

Correct answer: C. Wet cement is highly alkaline and can cause irritant dermatitis and serious burns.
Question 22 of 50Safety

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

Correct answer: D. You must avoid becoming a second casualty; safely isolate the power before contact.
Question 23 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 24 of 50Working environment

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

Correct answer: C. Everyone on site has a role in reporting hazards so they can be controlled promptly.
Question 25 of 50Occupational health

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

Correct answer: B. Manual handling should be planned; avoid or reduce the lift where possible and assess the load and route.
Question 26 of 50Safety

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

Correct answer: C. Unusual noise, vibration or operation can indicate a dangerous defect.
Question 27 of 50Safety

Why should water not be used on live electrical equipment?

Correct answer: A. Water can conduct electricity; power should be isolated and a suitable extinguisher used where appropriate.
Question 28 of 50Safety

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

Correct answer: A. Damaged electrical equipment should be removed from use until properly repaired or replaced.
Question 29 of 50Environmental & specialist awareness

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

Correct answer: B. Keeping public roads clear of site mud reduces environmental nuisance and road hazards.
Question 30 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 31 of 50Occupational health

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

Correct answer: D. Handwashing prevents hazardous substances being transferred to food, cigarettes or the face.
Question 32 of 50Working environment

What is the best way to help prevent slips and trips in your work area?

Correct answer: D. Good housekeeping, cable management and prompt clean-up reduce slip and trip risks.
Question 33 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 34 of 50Working environment

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

Correct answer: B. Safe systems of work should be reviewed when conditions change or new hazards appear.
Question 35 of 50Environmental & specialist awareness

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

Correct answer: D. Crane operations need controlled access because of suspended loads, slewing and blind spots.
Question 36 of 50Environmental & specialist awareness

What should you check before using a lifting accessory?

Correct answer: C. Lifting accessories need to be suitable, identifiable and in safe condition.
Question 37 of 50Safety

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

Correct answer: A. Pre-use checks can identify obvious damage before the tool is energised.
Question 38 of 50Occupational health

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

Correct answer: D. Do not attempt a lift that exceeds your capability; use assistance or mechanical handling equipment.
Question 39 of 50Working environment

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

Correct answer: C. Coordination reduces risks created by simultaneous or overlapping work activities.
Question 40 of 50Occupational health

Why must respiratory protective equipment be suitable for the hazard?

Correct answer: A. RPE must be correctly selected for the contaminant, concentration and task.
Question 41 of 50Safety

What should you do if a machine guard is missing?

Correct answer: D. Guards are a primary control against contact with dangerous moving parts.
Question 42 of 50Environmental & specialist awareness

Why are exclusion zones used around overhead lifting?

Correct answer: D. Exclusion protects people from dropped or moving loads.
Question 43 of 50Occupational health

What is the best reason to report stress or mental-health concerns that are affecting safe work?

Correct answer: A. Wellbeing can affect concentration and decision-making; early support can help maintain safe performance.
Question 44 of 50Safety

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

Correct answer: C. A damaged cylinder valve can release energy violently, so cylinders should be secured and correctly stored.
Question 45 of 50Working environment

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

Correct answer: C. Adequate lighting is needed to see hazards, access routes and the work itself safely.
Question 46 of 50High risk activities

What should you check before using a ladder?

Correct answer: B. Ladders should be suitable for the task, inspected and positioned on a stable surface.
Question 47 of 50Environmental & specialist awareness

What should happen if you discover contaminated soil during excavation?

Correct answer: C. Unexpected contamination should be assessed before further disturbance or disposal.
Question 48 of 50High risk activities

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

Correct answer: D. Planning, service plans, locating devices and safe digging practices help prevent striking buried services.
Question 49 of 50High risk activities

Why are overhead power lines dangerous to cranes and plant?

Correct answer: B. Overhead lines can cause fatal electric shock through contact or arcing, so safe clearances and controls are essential.
Question 50 of 50Working environment

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

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

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.

WhatsApp Support