CSCS Mock Test Full 50 Questions 2025 – CSCS Mock Test | CSCS Revision

This CSCS mock test is a full 50-question example designed to help you practice and prepare for your real Health, Safety and Environment Test in 2025. All the questions will be pulled at random from some of the core health and safety topics covered in the real CSCS test.

For the real test, you will have 45 minutes to complete 50 multiple-choice questions, you’ll need to demonstrate that you have a good theoretical knowledge of many health and safety topics before you can pass your test and apply for your CSCS card.

Most of the questions in the real test will require a single answer but there are a few which require multiple answers. In keeping with this format, we’ve added questions that require multiple answers so you can get the full experience when attempting any of our CSCS mock tests.

If a question requires two answers, you’ll need to choose both correct answers before you can get a full point for that question, so please ensure that you read each question carefully. The pass mark for this CSCS mock test is 45 out of 50. Good luck!

1. What should you do if a fire breaks out and you’ve not been trained to use a fire extinguisher?

Do not use the fire extinguisher and go to your fire assembly point immediately

Use the closest lift to exit the building

Search the building for your supervisor and let him know

Try to use the fire extinguisher and see how it goes

Question 1 of 50

2. You should not store loose batteries in a tool bag because___.

It will damage the battery

It will make the bag heavier

It could start a fire

It will reduce the battery life

Question 2 of 50

3. Which of these is true about environmental law?

Only companies can be prosecuted for not following the law.

Only a site supervisor can be prosecuted for not following the law.

Only a site manager can be prosecuted for not following the law.

Both employees and companies can be prosecuted for not following the law.

Question 3 of 50

4. You have to work in an excavation, what is the main hazard while working?

Falling

Breathing in hazardous dust from the ground

Being crushed if the sides are not supported

Suffering from skin abrasions

Question 4 of 50

5. Safe manual handling techniques are essential in the workplace because___.

It reduces the risk of injuries

It allows you to lift heavier loads

It allows you to work faster

It eliminates the need for expensive lifting equipment

Question 5 of 50

6. What does this signal mean?

Danger, emergency stop

Turn right

Turn left

Proceed

Question 6 of 50

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

After your first shift.

One week after you start working.

At your site induction.

At your first lunch break.

Question 7 of 50

8. When does your employer need to provide a first-aid box?

When the total number of employees exceeds 35

When the total number of employees exceeds 10

First-aid boxes are provided at the company’s discretion and are not compulsory

Every site should be equipped with a first-aid box regardless of the number of employees

Question 8 of 50

9. It is important to preserve old buildings because______.

It’s cheaper to maintain

It drives up house prices in the area

It preserves the area’s historical record

It reduces the cost of living within the area

Question 9 of 50

10. If you’re in an accident, which of these does NOT have to be recorded in the accident book? (Choose 2 answers)

Your personal mobile number.

Details of the injury you sustained.

Your driving license number.

When the accident occurred (date and time).

Question 10 of 50

11. What is the safest way of entering and exiting a deep excavation?

Via shoring or trench supports

Using ladders on the work-site

Via an excavator bucket

Via a fixed staircase

Question 11 of 50

12. What could happen if oxygen levels in a confined space drops below 8 percent?

A fire or explosion could occur

Dehydration among workers

Hearing issues among workers

Workers may become unconscious

Question 12 of 50

13. Why is it important for workers using a half mask respirator to be clean shaven?

If you’re clean shaven you can use the same mask for longer periods.

The facial hair can block the filter very quickly.

The facial hair may hamper the seal around the face.

The facial hair can cause an allergic reaction.

Question 13 of 50

14. To help prevent injuries caused by manual handling you should do all the following EXCEPT:

Carry as much items as possible to get the task completed faster

Disperse your items into smaller loads

Learn proper lifting and carrying techniques

Use lifting equipment

Question 14 of 50

15. What’s the first thing you should do if a worker collapses while working in a deep inspection chamber?

Ask a colleague to inform your supervisor while you enter the inspection chamber and try to rescue the worker

Raise the alarm immediately, stay by the inspection chamber, do not enter

Ask a colleague to lower you into the inspection chamber using a rope

Find a way into the inspection chamber and try to give the person first-aid treatment

Question 15 of 50

16. Being exposed to engine oil can cause ____.

Lung cancer

Temporary loss of breath

Hearing problems

Skin problems

Question 16 of 50

17. What does the health and safety sign below mean?

safety-sign-10

High visibility clothing not necessary in this area

High visibility clothing must be worn in this area

High visibility clothing recommended but not compulsory

White clothing only must be worn in this area

Question 17 of 50

18. What should you do if the first aid box at your workplace is missing items or completely empty?

Inform the person who looks after the first aid box

It’s not your responsibility so just leave it until the appropriate person can sort it out

Ask all of your colleagues to bring in a few items each

Purchase you own supplies to top it up

Question 18 of 50

19. An inertia reel is ___.

A pulley-based fall arrester

A rope-based fall arrester

A horizontal fall arrester

A retractable fall arrester

Question 19 of 50

20. What substance is probably present in the air if workers notice the smell of rotten eggs?

Methane

Oxygen

Hydrogen sulphide

Carbon dioxide

Question 20 of 50

21. What does the health and safety sign below mean?

health-and-safety-signs-yellow

Industrial vehicles are moving about

No industrial vehicles allowed beyond this area

No manual lifting should be done in this area

Only trained staff are allowed beyond this area

Question 21 of 50

22. Which of these must you do if you’re required to use an extension cable? (Choose 2 answers)

You must uncoil the entire cable

Check the entire length and cable connectors for damage

You must only uncoil the length you need to use

You must only check the length you need for damage

Question 22 of 50

23. You are required to undertake some work that will produce dust. What will you need to do?

Only work for a short period of time

Wear the correct personal protective equipment (PPE) and use devices that will control airborne dust

Begin working immediately; dust is hardly dangerous

Avoid the work, as dust can harm your respiratory system

Question 23 of 50

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

Sewage and drain lines

Gas

Electricity

Water

Question 24 of 50

25. Protective mid-soles in your safety footwear are designed to:

Protect your feet from nails and other sharp objects

Prevent chemical burns if you step on hazardous chemicals

Ensure your footwear remains comfortable throughout the day

Prevent you from twisting you ankle

Question 25 of 50

26. Give TWO answers as to how excess noise can affect your health. (Choose 2 answers)

Constant ear infections

An excess build-up of wax in your ears

Loss of hearing

A condition known as “vibration white finger”

Persistent headaches

Question 26 of 50

27. Why are site inductions important?

It gives you the opportunity to formally meet your colleagues

It gives you the opportunity to meet the site manager and supervisors

It allows you to have a look around at the work site

The work site health and safety rules are discussed during the site induction

Question 27 of 50

28. Guard rails placed around the top of an excavation are meant to ___.

Prevent people from falling into the trench

Prevent the sides of the trench from collapsing

Stop toxic gas from forming at the bottom of the trench

Stop rainwater from running into the trench.

Question 28 of 50

29. Methane gas is dangerous in confined spaces because ___. (Choose 2 answers)

It can cause dehydration

It can create dense fumes which makes it impossible to see

It can decrease your oxygen supply

It can explode

It can cause hyperactivity

Question 29 of 50

30. Over time, excess noise can damage your hearing. Which of these is an early sign of this?

Infections of the inner ear

A ringing sound or even a temporary hearing loss may occur

A rash may appear around the outside of your ear

There are no early signs

Question 30 of 50

31. All of the following statements are true about using podium steps EXCEPT:

Podiums can topple over so you must take care when reaching sideways

You must ensure the wheels are locked before getting on

Like all other equipment podiums must be inspected regularly

Podiums are 100% safe and cannot topple over

Question 31 of 50

32. To operate a plant on site you must: (Choose 2 answers)

Be authorised

Be a UK citizen

Be over 24 years old

Be competent and trained

Question 32 of 50

33. Methane gas is very dangerous in confined spaces because: (Choose 2 answers)

It will block your vision.

It could explode.

It could make you feel dehydrated.

It will limit the amount of oxygen you have available.

Question 33 of 50

34. You witness a scaffold collapse, if you’re questioned about this accident you should:

Say exactly what you saw.

Refuse to be questioned because you’re not an expert when it comes to scaffolds.

Ask your supervisor what to say.

Try to protect your colleagues by saying as little as possible.

Question 34 of 50

35. What should you do if you discover a child wondering around on a construction site?

Escort the child to safety immediately

Find your site manager and report it

Find your supervisor and report it

Just ignore it as it’s not your problem

Question 35 of 50

36. Why is a person always positioned immediately outside of a confined space while work is taking place inside it?

To supervise work

To assess compliance with the method statement

To perform risk assessments

To begin the rescue process in an emergency situation

Question 36 of 50

37. What should you do if you accidentally drop your safety helmet and crack it?

Get another one immediately

Wait until the end of your shift and get another one for the next day

Wait until your break and get another one

Carry on working if it’s only a small crack

Question 37 of 50

38. If you have to use water to control dust while cutting you should____.

Make sure that the flow of water is adjusted correctly

Make certain that you are using as much water as possible

Ask a co-worker to stand next to you and pour water directly onto your workspace

Pour water onto a surface before you begin cutting

Question 38 of 50

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

An insulated shovel or spade.

A metal shovel and rubber gloves.

A full metal shovel.

A jack hammer.

Question 39 of 50

40. What should you do if you’re carrying excavation work and discover some old coins in the soil?

Continue working and see how many coins you can find

Don't tell anyone about your discovery and keep the coins

Stop all activity and alert your supervisor to your discovery

Hide the coins to avoid any delays that could be caused by the need for an archaeological investigation

Question 40 of 50

41. Disposable masks should be used no more than ___.

Nine working days

Ten working days

Seven working days

One day or one shift

Question 41 of 50

42. What TWO methods can you use to reduce the amount of dust from becoming airborne? (Choose 2 answers)

Wear a protective mask

Work carefully and slowly

Keep your area neat

Place a dust collector on the machine

Wet cutting

Question 42 of 50

43. What should you do if the extension wire you need to use has a cut in the outer cover?

If you can’t see the copper wires inside then carry on using it

Report it immediately and make sure no one else uses it

Use electrical tape to cover it and then carry on working

Carry on using it but avoid going near the cut part

Question 43 of 50

44. Which of these TWO types of fire extinguishers are most suitable for use on electrical fires? (Choose 2 answers)

CO2

Foam

Water

Dry Powder

Wet Chemical

Question 44 of 50

45. Using eye protection is vital for onsite safety, when should you wear eye protection?

Only when you’re working with hazardous chemicals

Only when your eyes come into direct sunlight

Only when you’re working with power tools

When the task has a potential for eye injury and if the site rules demand it

Question 45 of 50

46. If you’re working in a confined space and the gas alarm goes off you should:

Stop using any electrical tools but carry on working.

Exit the confined space immediately.

Take the alarm off.

Continue working and take breaks every 5 minutes to get fresh air.

Question 46 of 50

47. Which of these should be worn on-site if there’s a risk of objects falling from above?

High-visibility clothing

Safety harness

Hard hat

Safety goggles

Question 47 of 50

48. You’re working with a new chemical/substance and you start to feel ill, what should you do?

Stop working immediately and report it to your supervisor or manager

Continue working with the substance and report it after your shift

Stop working and go home immediately

Nothing – this is common while working with some chemicals

Question 48 of 50

49. What should you do if you accidentally cut your finger and you can’t get it to stop bleeding?

Wash it under very hot water.

Tie a piece of cloth around it and go back to work.

Locate your first aider and let them check it out.

Continue working and check it out later when you get home.

Question 49 of 50

50. What does the health and safety sign below mean?

Health and Safety Sign

Danger roof incomplete

Danger fragile roof

Caution tripping hazards on roof

No entry roof unsafe

Question 50 of 50