CSCS Mock Test for Operatives | Full 50 Questions (2025)

Our free CSCS mock test for operatives contains 50 multiple-choice questions that help you prepare for the actual test. You get 45 minutes to answer all questions; at least 45 answers must be correct to pass the CSCS Operative test.

These practice questions will help you identify weaknesses and prioritize your study efforts accordingly. It also helps you familiarize yourself with the CIBT test format.

Free Practice Questions For CSCS Operatives Test

1. Which voltage can cause sever injury or death?

115 volts

240 volts

480 volts

All of the above

2. What are Class Three ladders designed for?

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

Home or domestic use

Building site purposes

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

3. Exposure to which of these would most likely result in you contracting Weil’s disease?

Paint

Dust

Asbestos

Water

4. Why should you report an accident?

It helps the site find out who caused it

So that everyone can find out what happened

It is a legal requirement

So that your company will be held responsible

5. Besides a CO2 fire extinguisher, which fire extinguishers should you use to tackle electrical fires?

Water

Dry powder

Foam

Wet chemical

6. What condition can be caused by direct sunlight on bare skin?

Acne

Skin cancer

Dermatitis

Rickets

7. What should you do if a previous back injury is affecting the job you’re currently doing?

Use a back brace and carry on with the job

Carry on with the job and if you feel pain then tell your supervisor

Explain the situation to your supervisor before starting the job

Ignore the problem and wait for it to go away

8. What do fire extinguishers with a Black colour band contain?

Dry powder

Foam

CO2

Water

9. Which of the following will be most effective for using water suppression to reduce dust?

Pneumatic chiseling of concrete

Cutting plywood sheets

Disc cutting steel

Steel grinding

10. Site inductions should be attended by:

Cleaners only

Everyone who will be on the site

Supervisors only

Managers only

11. What does a red and white sign displaying a finger pressing a button next to a fire represent?

The location of the fire assembly point

None of the above

The location of the fire alarm

The location of the fire extinguisher

12. For safety purposes, what is the optimal ladder angle when placed against the wall from the ground?

40°

55°

62°

75°

13. What does this sign mean?

Fire Alarm Call Point

Emergency light switch

Hot surface, do not touch

Fire alarm call point

Wear flameproof hand protection

14. When using power tools it is essential to:

Only undertake the work during damp or wet weather

Stand downwind of any dust

Do the work quickly to limit dust exposure

Stop dust getting into the air

15. What is the most common way of keeping traffic routes free from pedestrians?

Use barriers to separate traffic routes from pedestrian foot paths

Have someone direct the pedestrians where to walk at all times

Vehicles and pedestrians should be allowed to use the same route as long as they are aware of the dangers

By closing all pedestrian routes during working hours

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

Mandatory

Prohibition

No smoking signs

Hazard

17. What is the main objective of carrying out an accident investigation?

To identify the people involved

To find the cause and prevent recurrence

To help track the cost of insurance claims

None of the above

18. You are injured in an accident at work. When should you report it?

At the end of the day, before you go home

Only if you have to take time off work

Immediately, or as soon as possible

The next day before you start work

19. What should you do if you suspect someone about to start working on-site is under the influence of alcohol?

Tell them to sit in the canteen for an hour before starting work

Speak to your supervisor and inform him about your concerns

Give them coffee before they start working

Give them lots of water before they start working

20. After working on a site for a few months, you feel that some of the safety measures may be outdated. What should you do?

There is nothing that you are able to do

Write to the HSE

Consult your supervisor accordingly

Speak to other coworkers regarding this concern

21. What is considered a safe voltage when using electrical equipment on a construction site?

110 volts

115 volts

220 volts

240 volts

22. You can catch an infection called tetanus from contaminated land or water How does it get into your body?

Through your mouth when you eat or drink

Through your nose when you breathe

Through an open cut in your skin

It doesn’t, it only infects animals and not

23. What should you do if you think a load will fall from a moving vehicle?

Try to hold the load in place until someone can come and secure it.

Find your supervisor and tell him

Ignore it, it’s the driver’s responsibility

Stay away from the vehicle and warn the driver and others in the area

24. What type of pollution do hand-held power tools contribute to?

Light pollution

Noise pollution

Water pollution

Smoke pollution

25. 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

Offers increased comfort when working from height

26. If you need to hand dig near any electrical underground services, you must use:

A full metal shovel

A metal shovel and rubber gloves

A jack hammer

An insulated shovel or spade

27. What type of fire extinguisher should be used on a fuel-based fire?

Wet chemical

Carbon Dioxide

Water

Foam

28. What training do you need to work with or remove asbestos cement products?

None – anyone can work with asbestos cement

Having a CSCS card tells me all I need to know

Training for non-licensable asbestos work

General asbestos awareness training

29. Who should provide the first aid box at your worksite?

First aid boxes are not compulsory

You will need to bring your own

Your employer needs to provide the first aid box

You and your colleagues will need to sub and buy one

30. Why does a work environment need to be kept clean?

To deter rodents and other such animals

To reduce the risk of slips and falls

To protect the environment

All of the above

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

Whether or not the path is clear and hazard free

The weight and dimensions of the object

The distance you need to travel

All of the above

32. Which of the following should be classed as hazardous waste?

Polythene and shrink wrap

Broken ceramic tiles or bricks

Fluorescent light tubes

Glass

33. What type of eye protection is most suitable if there’s a risk of materials flying into your eyes?

Laser safety glasses

Tinted welding goggles

Impact-rated glasses

Chemical-rated goggles

34. According to the guidance on underground service pipes, what does a yellow service pipe carry?

Electricity

Water

Telecoms

Gas

35. If a site vehicle is driving well above the speed limit on-site, what should you do?

Call the police and report the matter

Find the driver later in the day and speak to him concerning the matter

Stay clear of the vehicle and then report the matter to your supervisor

Just ignore it, it’s not your job or responsibility

36. Details about the site traffic rules are usually discussed:

One week after you start working

After your first shift

At your first lunch break

At your site induction

37. What do yellow service pipes carry in relation to underground service pipes?

Water

Sewage and drain lines

Gas

Electricity

38. What does this sign mean?

wear hearing protection sign

Caution, noisy machinery

Wear hearing protection if you want to

No personal stereos or MP3 players

You must wear hearing protection

39. Which of these should NOT be in a first-aid kit?

Scissors

Disposable gloves

Tablets and medicines

Plasters

40. What should you do if you need to wear ear defenders but an ear pad is missing from one of the shells?

Do not work in noisy areas until they are replaced

Leave them off and work without any hearing protection

Put them on and work with them as they are

Take an ear pad from another set of ear defenders

41. What does this sign mean?

Fire-hose-reel-located-here-sign

Do not use if there is a fire

Press here to sound the fire alarm

Fire hose reel located here

Turn key to open fire door

42. Pedestrians are most likely injured by site vehicles when the vehicles are:

Moving forward

Parked

Lifting materials

Reversing

43. What does it mean if your entire work-site has been given a prohibition notice?

Only skilled personnel can continue working

You will have to work shorter shifts

An on-site supervisor has been fined due to a lack of safety protocol

All personnel must immediately stop working

44. What is the best way to protect an extension cable while you work, as well as minimizing trip hazards?

Cover the cable with yellow tape

Run the cable by the shortest route

Run the cable above head height

Cover the cable with pieces of wood

45. If you want to be a first aider, you should:

Buy a book on first aid and start treating people

Speak to your doctor about it

Watch a first aider treating people then try it yourself

Ask if you can do a first-aider’s course

46. The first-aid box on site is always empty. What should you do?

Find out who is taking all the first-aid supplies

Find out who looks after the first-aid box and let them know

Bring your own first-aid supplies into work

Ignore the problem, it is always the same

47. Respiratory Protective Equipment (RPE) fit tests should be carried out by whom?

A supervisor, in compliance with the law

The manager overseeing the work

A competent person in compliance with the law

The worker who will carry out the work

48. You are using water as part of dust control and run out. What should you do?

Carry on as you have nearly finished

Carry on but get someone to sweep up afterwards

Stop and refill with water

Ask everyone to clear the area and then carry on

49. Which THREE of these should be labeled with the sign below?

asbestos-sign

Raw asbestos

Asbestos waste

Any product containing asbestos

All of the above

50. What are the signs and symptoms of noise-related hearing damage?

Ear infections and regular headaches

Nausea and a skin rash around your ears

Difficulty following a conversation, especially against background noise

There are no signs or symptoms associated with hearing damage

Question 1 of 50

Mock Test for Supervisor