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

Put it in a bin to get rid of it

Smell the chemical to see what it is

Taste the chemical to see what it is

Ensure it remains undisturbed and report it

Question 1 of 25

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

Lung cancer

All of these answers

Asbestosis

Mesothelioma

Question 2 of 25

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

read your employer's health and safety policy

understand the COSHH assessment and follow the instructions

ask someone who has already used it

get on with the job as quickly as possible

Question 3 of 25

4. 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

A Health and Safety Executive (HSE) inspector

The site security people

Your supervisor or employer

Question 4 of 25

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

Wood and MDF dust

Resin, solvent and paint vapours

Silica dust

Diesel fumes

Question 5 of 25

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

dizziness and headaches

muscle aches

chemical burns and dermatitis

arc eye

Question 6 of 25

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

dizziness and headaches

aching muscles and painful joints

throat infections

lung diseases

Question 7 of 25

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

The 'use by' date has not expired

The contents are not hard and gone off

The bag is undamaged

It has been stored in a dry place

Question 8 of 25

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

Disposable overalls ('type 5')

Laceless footwear

All of these answers

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

Question 9 of 25

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

The site diary

The COSHH assessment

The accident book

The delivery note

Question 10 of 25

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

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

Do not use it as the substance is poisonous

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

Question 11 of 25

12. 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 12 of 25

13. How can asbestos be correctly identified?

By putting a piece in water and seeing if it dissolves

The dust gives off a strong smell

By getting a sample analysed in a lab

By the colour of the dust

Question 13 of 25

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

Use sparingly as substance is expensive

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

Do not use it as the substance is poisonous

Wear gloves as the substance can burn your skin

Question 14 of 25

15. A COSHH assessment tells you how:

noise levels are assessed and how to protect your hearing

to lift heavy loads and how to protect yourself

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

to work safely in confined spaces

Question 15 of 25

16. This sign should be used for labelling:

all of these answers

any product containing asbestos

asbestos waste

raw asbestos

Question 16 of 25

17. Where might you come across asbestos?

Asbestos has now been removed from all buildings

In a house built between 1950 and 1990

In any building built or refurbished before the year 2000

In industrial buildings built between 1920 and 1990

Question 17 of 25

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

It will always be in a black container

By warning symbols on the container or packaging label

By the shape of the container

It will always be in a cardboard box

Question 18 of 25

19. 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

General asbestos awareness training

Training for non-licensable asbestos work

Question 19 of 25

20. 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

find the first aider

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

Question 20 of 25

21. What does this warning sign mean?

Substance will cause heartburn if swallowed

Substance can cause long-term serious health problems

Substance can explode

Substance can glow in the dark

Question 21 of 25

22. 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 22 of 25

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

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

Do not use the substance as it could kill you

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

Find out how to handle the substance as it is fragile

Question 23 of 25

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

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

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

Question 24 of 25

25. 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

Do not use it as the substance is poisonous

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

Wash your hands after you have used the substance

Question 25 of 25

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