CSCS Mock Test for Operatives 3 – Full 50 Questions 2025

This CSCS Operative Mock Test contains 50 challenging questions like the actual exam. Answer all these questions and submit the test to see your score. You must answer 45 questions correctly to pass the health, safety, and environment test and earn a Green CSCS Card.

1. What should you do if you feel unwell due to heat on the site?

Take a break in a shady area and drink water.

Continue working and ignore the symptoms.

Leave the site without telling anyone.

Wait until the end of your shift to rest.

2. What should you do if you hear an evacuation alarm?

Find your supervisor and ask what to do.

Immediately stop working and go to the nearest safe exit.

Finish your task, then leave the site.

Turn off all tools and then leave the site.

3. What should you do if another contractor is carrying out work which affects your safety?

Speak to the contractor’s supervisor

Speak to the contractor

Speak to your colleagues

Speak to your supervisor

4. What do fire extinguishers with a Black color band contain?

Foam

Water

CO2

Dry powder

5. Why is it important to wear safety boots on a construction site?

They look professional.

They keep your feet warm.

They prevent static electricity build-up.

They provide protection against foot injuries.

6. Which of these items would NOT need to undergo a PAT test in the workplace?

A plug-in battery charger

A coffee machine

A battery operated drill

A television

7. What is the first thing you should do before using a power tool you have not used before?

Check it for visible defects.

Use it carefully and slowly.

Read the user manual.

Ask a colleague about how to use it.

8. The responsibility of health and safety on a construction site belongs to:

Your health and safety officer

Your supervisor

The government officials

Everyone working on the construction site

9. If a fire breaks out and the exits are blocked, what should you do?

Try to extinguish the fire.

Wait inside until rescued.

Hide under a desk.

Find an alternative route to evacuate.

10. What does a blue fire extinguisher contain?

Water

Foam

Dry powder

Carbon dioxide (CO2)

11. Which of the following is the main cause of injury on construction sites?

Machinery breakdown

Electrical shock

Loud noise

Falling from height

12. Which of the following could help you to protect the environment while you are working?

Arriving for work on time every day

Following all health and safety rules outlined by your site

Reducing water and energy usage whenever possible

Wearing PPE at all times

13. You are required to wear eye protection on the job. What is the main reason for this?

To protect against dust, particles, or chemical splashes.

To improve your vision.

To comply with company policy.

To look professional at work.

14. What does a green safety sign indicate?

Prohibition

Mandatory action

Safe condition

Warning

15. What do fire extinguishers with a Blue colour band contain?

Dry powder

Water

Foam

Carbon dioxide

16. What should you do before adjusting an electric hand tool?

Ask a supervisor to do it for you

Ensure the power tool is switched off

Make sure you are wearing safety gloves if you leave it plugged into the power socket

Ensure the power tool is switched off and it is unplugged from the socket

17. Which of these should you consider before carrying a load?

The distance you need to travel

Whether or not the path is clear and hazard free

The weight and dimensions of the object

All of these answers

18. What is the maximum safe load capacity of an equipment crucial because?

It ensures efficient use of the equipment.

It ensures safety and prevents overloading.

It makes the equipment last longer.

It prevents wear and tear.

19. When using a ladder, you should always ensure that you have at least _ _ _ _ points of contact.

20. All of the following are NOT true about ladders: (Select TWO answers)

Ladders should be painted to prevent wear and tear

Class 3 ladders are meant for domestic use

When using a ladder you should always maintain 3 points of contact with the ladder

Two people can work on the same ladder as long as the supervisor approves

21. What is the purpose of a toolbox talk?

To discuss the tools needed for the day.

To provide information on changes or specific tasks for the day.

To conduct a casual conversation among workers.

To distribute tools to the workers.

22. What do fire extinguishers with a Red colour band contain?

CO2

Water

Foam

Dry powder

23. You should not walk behind a lorry while it is reversing because _ _ _ _

You could delay work if the driver has to stop for you

Most drivers find it difficult to reverse a lorry

The driver might not see you there

None of the above

24. Which of these should NOT be used on electrical fires? (Select TWO answers)

Water fire extinguishers

Carbon dioxide fire extinguishers

Dry powder fire extinguishers

Foam fire extinguishers

25. What must you do when working in a hearing protection zone?

Avoid using loud equipment and machinery

Avoid speaking to others, as they may become distracted

Wear adequate hearing protection

Work quickly and exit the area to avoid hearing damage

26. Before you can operate a plant on site you must be ___ and ___. (Select TWO answers)

Trained and competent

Authorised to operate it

At least 25 years old

A British citizen

27. What is the primary hazard associated with using a manual cement mixer?

Electric shock

Noise

Dust inhalation

Vibration

28. What are Class Three ladders designed for?

Home or domestic use

Building site purposes

They are to be used with jobs that have heights greater than 30 feet

They are designed to be used with jobs where bucket lifts are not possible

29. What should you do if you have to work near an electric cable which has exposed wires?

Move the cable out of your way and start working

Touch it to see if it’s live

Stay clear of the cable and carry on with your work

Stay away from the cable and report it to your supervisor

30. If you find a damaged electrical cord, what should you do?

Continue using it but with caution.

Repair it yourself.

Cover it with tape.

Report it to your supervisor.

31. Who should you inform if you notice a safety hazard that you cannot fix yourself?

No one, it is not your responsibility.

Your closest colleague.

Your health and safety representative.

The youngest member of your team.

32. What should you do if you discover asbestos while working?

Continue working and wear a mask.

Stop working and inform your supervisor.

Remove the asbestos yourself.

Cover the asbestos with plastic to contain it.

33. Which of the following should risk assessments identify?

Your holiday entitlement

Your salary

Hazards within your workplace

Your working hours

34. The early signs of Weil’s disease can often be confused with:

Hand arm vibration syndrome

The flu

Tinnitus

Hay fever

35. Which of these would be classified as hazardous waste? (Select TWO answers)

Fluorescent light tubes

Used spill kit pads that have oil

Broken bricks

Broken glass

36. Which of these is most likely to cause hand-arm vibration syndrome (HAVS)?

A battery-powered screwdriver

A hammer and chisel

A hammer drill

A handsaw

37. What should you do if you see someone using a damaged ladder?

Ignore it, as it is not your responsibility.

Tell them to continue but be careful.

Repair the ladder yourself.

Advise them to stop and report it.

38. You have to carry out a job that requires flammable liquid; how much flammable liquid should you take from the stores?

As much as you can carry

Twice as much – in case there’s spillage

Enough to carry out the immediate job

Take more than enough to save time of having to go to the stores again if more is needed

39. What purpose does a steel toe serve in a work boot?

The steel will keep the foot more aerated than a normal boot

Increased traction when working from heights

Protection against falling debris from above

Increased comfort

40. What type of health and safety signs are triangular?

Prohibition

Mandatory

No smoking signs

Hazard

41. In terms of health and safety, why is good housekeeping important on a construction site?

It helps to complete the work faster.

It prevents accidents caused by slipping, tripping, and falling.

It is required by law.

It keeps the site looking neat.

42. What is the significance of a method statement on a construction site?

It lists the names of workers assigned to a task.

It is used to report accidents.

It serves as a daily attendance record.

It provides a detailed description of how to carry out a job safely.

43. The nozzle of a CO2 fire extinguisher is well known for becoming _ _ _ after use.

Slightly cold

Slightly hot

Very cold

Very hot

44. What should you do if you need to work in an area where pigeon nests and droppings are present?

Continue working, but be very careful not to disturb the pigeons

Catch the pigeons then remove them from the area before starting any work

Stop working, seek advice from your supervisor

Wait until the pigeons fly away then start working

45. What should you do if you’re refueling a piece of equipment and accidentally spill a large amount of fuel on your clothes?

Try to wipe it off with a cloth

Put on safety overalls over it

Change your clothes immediately

Go outside and wait for it to dry

46. What is the purpose of a risk assessment?

To find the cheapest way to complete a job.

To ensure that all tasks are completed on time.

To identify hazards and decide how to control them.

To assign tasks to workers.

47. What health problem is associated with using hand-held vibrating tools?

Hand blisters

Itchy skin

Damaged blood vessels on the hands and fingers

Skin cancer on the areas of your body that come into contact with tools

48. You notice that a scaffolding structure does not look secure. What is your first action?

Climb the scaffolding to check stability.

Continue working and assume it is safe.

Report the issue to your supervisor immediately.

Try to fix the scaffolding yourself.

49. A scaffold has collapsed, and you saw it happen. When asked about the accident, you should say:

Who you think is to blame and how they should be punished

Nothing, you are not a scaffold expert

As little as possible because you don’t want to get people into trouble

Exactly what you saw

50. Which of these is most likely if you can see frost around the valve of an LPG cylinder?

The cylinder is empty

The cylinder is full

The cylinder is almost empty

The valve is leaking

Question 1 of 50

CSCS Operative Test 4