CSCS Labourer Mock Test - Full 50 Questions (updated 2025)

This CSCS Labourer Mock Test contains 50 practice questions that help you pass the CIBT Health, Safety & Environment test. If you want a CSCS Green Card to work in the construction industry, this mock test gonna be very helpful. You can check your score and correct answer at the end of the test.

When are legionella bacteria in water systems most likely to become hazardous?

When the water is cold.

When the water is fast-moving.

When the water is warm or stagnant.

When the water is rich in plant life.

After accidentally spilling solvent on the site, what should your initial action be?

Clear it up immediately.

Record it in the incident book.

Clear the area until your supervisor can assess the risk.

Evacuate the area and wait for further instructions from your supervisor.

Why should you avoid walking behind a lorry while it is reversing?

Because lorries typically lack rear-view mirrors.

Because the driver may not be aware of your presence.

Because you should run instead of walk to safely clear the area.

Because reversing skills of most lorry drivers are poor.

What is the most important reason for wearing a high-visibility jacket on a construction site?

It keeps you warm.

It is a site requirement.

It looks professional.

It ensures you are seen by machine operators.

What is the appropriate action if you suspect someone has a broken leg on the construction site?

Move them to a comfortable position.

Help them stand up and test the leg’s strength.

Immediately call for a first aider or seek help.

Apply a homemade splint using available materials.

Exposure to which of the following may NOT result in lung disease?

Bird droppings

Asbestos

Silica dust

Strong smells

When should you seek assistance if you begin to feel work-related stress?

Only when the stress becomes unbearable.

After determining the exact cause of your stress.

At a time that doesn’t disrupt others.

As soon as possible.

How can you adapt a dust mask to make it suitable for protecting against hazardous fumes?

Wear two dust masks.

Dampen the mask with water.

This is not possible.

A dust mask is already suitable for protecting against hazardous fumes.

What is the safest method for entering and exiting an excavation?

A leg up from a colleague.

A rope and pulley mechanism.

A stairway dug into the wall.

A securely tied ladder.

Whilst painting a bathroom, you begin to feel dizzy. What might this mean?

Vapour levels have become dangerous.

You have developed metal fume fever.

You have been working too long.

You are becoming fatigued.

You must wear head protection on-site at all times unless you are:

Working in very hot weather.

Working alone.

In a safe area, like the site office or canteen.

Working at height.

Who holds the responsibility for training and informing workers about safety measures when working at height?

The individual employees.

The Health and Safety Executive (HSE).

The employer.

The administrative office at the work site.

At what point are pedestrians most vulnerable to accidents involving site vehicles?

When the vehicle is reversing.

When the vehicle is unloading materials.

When the vehicle is left unattended.

When the vehicle is actively driving around the site.

Which of the following is least likely to cause a skin reaction on a construction site?

Wet cement

Insulation materials

Cleaning fluids

Paper

You are lifting a beam that is weighted more heavily on one side. How should you carry it?

Cradle one arm over the beam.

Keep the heavy side facing away from you

Keep the heavy side facing you.

Rock it back and forth to alternate where the pressure falls.

What does participation in the Considerate Constructors Scheme indicate about your construction site?

The site pledges to ensure fair and equal compensation for all workers.

A portion of the site’s earnings is allocated to charities.

There is a strict internal process for handling complaints and grievances.

The site adheres to high standards of respect and consideration in conduct.

Which two safety features are mandatory for all footwear used on construction sites?

At least 14 lace eyelets.

High-quality ankle support.

Designed for ease of kneeling.

Puncture-resistant soles.

Steel toe caps.

Which type of work is most likely to lead to fatigue?

Physically demanding

High altitude

Repetitive

Engaging

What does the symbol in the image represent?

Hot surface, do not touch.

Emergency light switch.

Requirement for fire-resistant gloves.

Fire alarm call point.

Which fire extinguisher is most appropriate for use during hot works?

Never use a fire extinguisher on hot works.

The one closest to the site for immediate access.

One specifically chosen for the type of work you are performing.

One that is kept far from the work area to avoid damage.

If you observe that roadworks are creating unnecessary traffic congestion, what should be your response?

Discuss potential improvements with your supervisor.

Collaborate with your team to implement changes.

Ignore the issue, as addressing it could compromise other safety protocols.

Take initiative to redirect traffic more efficiently.

Which is the safest tool to use for digging around underground services?

A mechanical digger.

An insulated spade or shovel.

A pneumatic drill.

A crowbar.

What environmental aspect is the construction industry focusing on improving?

Energy efficiency

Regulatory compliance

Sustainability

Construction pace

Which of the following is NOT a required detail for entry in the accident book?

The location of the accident.

Your National Insurance number.

The nature of the accident.

The nature of the injury sustained.

The application of a foam fire extinguisher is an example of which fire control method?

Clearing all fire-inducing elements.

Removing the fire’s fuel.

Excluding oxygen from the fire.

Reducing the fire’s heat.

Who is required to attend a site induction?

Architects visiting the site.

Cleaners working on the site.

Only workers involved in construction tasks.

Everyone entering the site.

What are two damaging types of noise? Give TWO answers

Bass noise (e.g. from generators)

Peak noise (e.g. from piling rigs)

Continuous noise (e.g. drilling)

Electronic noise (e.g. from radio comms)

What should you do if you cut your finger and the bleeding does not stop?

Wash it and resume working.

Seek assistance from a first aider or get medical help.

Wrap it up and continue working.

Inform your coworkers about the injury.

What potentially fatal risk is created by a slewing excavator?

People may be caught in the crush zone.

People may be engulfed in exhaust fumes.

People may be doused in fuel.

People may fall into the excavation.

When lifting a load from the floor, how should you stand?

Feet wide apart with straight legs and a forward-bent back.

Feet slightly apart, one leg slightly forward, knees flexed.

Feet together, in a full squat position.

If there is a risk of materials flying into your eyes, you should wear:

A face-covering mask.

Chemical-resistant goggles.

Laser safety glasses.

Impact-resistant goggles.

Which of the following types of wood dust is a known carcinogen?

Hardwood dust

Softwood dust

Pine dust

Medium density fibreboard

What is the safest action if you discover an electrical cable with exposed wires on your worksite?

Inspect the cable for any visible damage before continuing work.

Use a voltage tester on the cable to check if it is live.

Report the exposed cable to your supervisor and avoid the area.

Cover the cable with insulation tape yourself and then proceed.

What is a mandatory requirement for all masks?

At least two adjustable straps.

A label with the user’s name.

Modifications for use in warm climates.

A CE mark and/or a British Standard number.

Besides asbestos, which substance is most harmful to construction workers’ health?

Emissions from resins, solvents, and paints.

Exhaust from diesel engines.

Particles from wood and MDF.

Silica dust exposure.

What should you use to reduce the risk of contracting leptospirosis, tetanus, and hepatitis at work?

Antiseptic cream

Sterile bandages

Face masks

Protective gloves

Which statement accurately describes health conditions caused by respiratory hazards?

All such conditions will inevitably result in death.

They generally improve on their own without medical help.

They are severe but can always be reversed.

They might be deadly or cause long-term health problems

What is the meaning of the symbol shown below?

A fire exit point.

An evacuation route.

A ladder for firefighting use only.

A heating equipment area.

HAVS is an abbreviation for which of the following conditions?

Hand-arm vascular shock

Head-arm vibration stress

Hand-arm vibration syndrome

Holistic arterial-vascular stress

What is a significant health risk for someone suspended in a safety harness awaiting rescue?

Pulmonary arrest.

Suspension syncope.

Vertigo.

In the event of a severe accident involving a coworker, what are the first two steps you should undertake?

Call for help and check the safety of the scene.

Check whether it is safe to approach your injured colleague.

Document the incident for reporting purposes.

Reassure the injured person without moving them.

Why should you participate in your employer’s health surveillance program?

It’s merely a procedural formality and not of actual importance.

Non-participation could lead to termination of employment.

Compliance is mandatory under law, and failure to comply can result in fines.

To help improve safety measures and prevent occupational illnesses.

What is the consequence of not reporting a safety hazard you are aware of?

You may be considered for a supervisory position.

You may face disciplinary action.

You may be given a shorter workday.

You may get a special recognition.

What is the safest approach to handling material suspected of containing asbestos during the testing period?

Cover all items containing the material with an air-tight wrap.

Until the report comes back, you should treat the material as if it contains asbestos.

Isolate all items containing the material in a well ventilated space.

Until the report comes back, assume the material is safe.

What should you do if your helmet falls to the ground while you are tiling a roof?

Retrieve the helmet, ensure it’s undamaged, and continue working.

Inspect the helmet for any cracks, and replace it if damaged.

Check the helmet for any marks or scratches, and replace it if necessary.

Immediately replace the helmet with a new one.

Why are some mobile plants fitted with CCTV?

So operators will always see pedestrians.

So the plant efficiency can be monitored.

So the operator’s health and conduct can be monitored.

Because the size of the plant restricts the operator’s field of vision.

What is the current legal status of asbestos use in the UK?

Asbestos use is prohibited internationally.

Asbestos use is allowed for consistency in materials that previously contained it.

Asbestos can be used in very specific and exceptional cases.

Asbestos use is completely prohibited.

What kinds of signs indicate something MANDATORY?

Blue drawing on a white circle.

White drawing on a blue circle.

White sign with a red border.

White drawing on a red circle.

What is the best way to protect an extension cable while you work and minimize trip hazards?

Cover the cable with pieces of wood.

Run the cable above head height.

Cover the cable with yellow tape.

Run the cable by the shortest route.

What does it indicate if you must raise your voice to communicate with a colleague 2 meters away?

You colleague may be suffering from hearing damage.

That the noise level has reached or exceeds the lower exposure action level.

This is common on-site, and suggests nothing important.

None of these

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CSCS Green Card Mock Test