CSCS Mock Questions - Hazardous Substances

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Updated on: June 2, 2024

The mock test questions below will cover all the questions related to Hazardous Substances, these are core knowledge questions you will have to answer in your operatives exam. If you would like to practice a full 50 question CSCS mock test click here.

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CSCS Hazardous Substances Questions

1. The packaging of a substance has the word ‘SENSITISER’ on it This means that:

it is perfectly safe to use without personal protective equipment (PPE)

you could become allergic to it and have allergic reactions

it must be mixed with water before you can use it

it should not be used under any circumstances

Question 1 of 25

2. After asbestos, which of the following causes the most ill-health to construction workers?

Silica dust

Resin, solvent and paint vapours

Diesel fumes

Wood and MDF dust

Question 2 of 25

3. You need to use a hazardous substance Who should explain the health risks and safe method of work you need to follow (the COSHH assessment) before you start?

The site first aider

The site security people

A Health and Safety Executive (HSE) inspector

Your supervisor or employer

Question 3 of 25

4. If you see either of these labels on a substance what should you do?

Find out what protection you need as the substance is corrosive and can damage your skin upon contact

Wash your hands after you have used the substance

Find out what hand cleaner you will need as the substance will not wash off easily

Do not use it as the substance is poisonous

Question 4 of 25

5. Where might you come across asbestos?

In industrial buildings built between 1920 and 1990

In any building built or refurbished before the year 2000

Asbestos has now been removed from all buildings

In a house built between 1950 and 1990

Question 5 of 25

6. You find an unmarked container that you think might contain chemicals What is the first thing you should do?

Taste the chemical to see what it is

Put it in a bin to get rid of it

Smell the chemical to see what it is

Ensure it remains undisturbed and report it

Question 6 of 25

7. If you see either of these labels on a substance what should you do?

Make sure it is stored out of the reach of children

Use the substance very carefully and make sure you don't spill or splash it on yourself

Do not use it as the substance is poisonous

Find out what protection you need as the substance is toxic and in low quantities could seriously damage your health or kill you

Question 7 of 25

8. What does this warning sign mean?

Substance can explode

Substance can cause long-term serious health problems

Substance will cause heartburn if swallowed

Substance can glow in the dark

Question 8 of 25

9. If you see either of these labels on a substance what should you do?

Wear gloves as the substance can burn your skin

Do not use it as the substance is poisonous

Use sparingly as substance is expensive

Find out what protection you need as the substance is harmful and could damage your health

Question 9 of 25

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

Training for non-licensable asbestos work

Having a CSCS card tells me all I need to know

None – anyone can work with asbestos cement

General asbestos awareness training

Question 10 of 25

11. If you breathe in asbestos dust it can cause:

throat infections

lung diseases

dizziness and headaches

aching muscles and painful joints

Question 11 of 25

12. What equipment should you have if you are doing non-licensed work on asbestos-containing materials?

Laceless footwear

Disposable overalls ('type 5')

All of these answers

Suitable respiratory protective equipment (RPE) (eg disposable face mask with a FFP3 rating)

Question 12 of 25

13. How can asbestos be correctly identified?

By the colour of the dust

The dust gives off a strong smell

By putting a piece in water and seeing if it dissolves

By getting a sample analysed in a lab

Question 13 of 25

14. A COSHH assessment tells you how:

a substance might harm you and how to protect yourself when you are using it

to work safely in confined spaces

noise levels are assessed and how to protect your hearing

to lift heavy loads and how to protect yourself

Question 14 of 25

15. Cement bags have an additive to help prevent allergic dermatitis When using a new bag what should be checked?

The contents are not hard and gone off

The bag is undamaged

It has been stored in a dry place

The 'use by' date has not expired

Question 15 of 25

16. Exposure to asbestos fibres may result in which disease?

Mesothelioma

Lung cancer

All of these answers

Asbestosis

Question 16 of 25

17. This sign should be used for labelling:

raw asbestos

any product containing asbestos

asbestos waste

all of these answers

Question 17 of 25

18. Why should you not kneel in wet cement, screed or concrete?

It will affect the finish

It is not an effective way to work

It will make your trousers wet

It can cause serious chemical burns to your legs

Question 18 of 25

19. If you see either of these labels on a substance what should you do?

Dispose of the substance or contents by burning

Warm up the contents first, with heat or a naked flame

Find out how to use the substance safely as it could explode

Find out how to use the substance safely as it is flammable (could catch fire easily)

Question 19 of 25

20. The safest way to use a hazardous substance is to:

ask someone who has already used it

get on with the job as quickly as possible

read your employer's health and safety policy

understand the COSHH assessment and follow the instructions

Question 20 of 25

21. Wet cement, mortar and concrete is hazardous to your health as it causes:

dizziness and headaches

arc eye

muscle aches

chemical burns and dermatitis

Question 21 of 25

22. If you see either of these labels on a substance what should you do?

Do not use the substance as it could kill you

Find out how to handle the substance as it is fragile

Find out how to use the substance safely as it could explode

Find out how to use the substance safely as it could catch fire easily

Question 22 of 25

23. If you think you have found some asbestos, the first thing you should do is:

stop work and warn others

take a sample to your supervisor

put the bits in a bin and carry on with your work

find the first aider

Question 23 of 25

24. Which of these will give you health and safety information about a hazardous substance?

The site diary

The COSHH assessment

The delivery note

The accident book

Question 24 of 25

25. How can you tell if a product is hazardous?

By the shape of the container

By warning symbols on the container or packaging label

It will always be in a black container

It will always be in a cardboard box

Question 25 of 25

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