Excavations and Confined Spaces for Operatives

Written By: Ryan - Admin
Updated on: February 20, 2023

Welcome to this free mock on Excavations and Confined Spaces for Operatives. We have created a set of questions on this subject to help you pass your CSCS Test for the operatives card, and this subject is part of the core knowledge questions.

If you want to work on a construction site, then you will need to have a good understanding of this subject as you will be asked questions on them in the real exam.

In this mock test, we have provided the latest 25 questions you might be asked when sitting your real CSCS Test. In order to pass you will need to score at least 45 out of 50 correct answers in 45 minutes.

There is no pass mark on this mini-test, so please keep using it until you know all of the questions from memory. Good Luck! Click here if you would like to site a full 50 question simulation CSCS mock test.

Excavations and Confined Spaces for Operatives Questions

1. Before work starts in a confined space, how should the air be checked?

Question 1 of 25

2. You need to walk through sludge at the bottom of a confined space. Which of these is NOT a hazard?

Question 2 of 25

3. You are in a confined space. If the level of oxygen drops:

Question 3 of 25

4. Which of these is the most accurate way to locate buried services?

Question 4 of 25

5. Why is it important that people are trained before they are allowed to go into a confined space?

Question 5 of 25

6. When digging, you notice the soil gives off a strange smell. What is this likely to mean?

Question 6 of 25

7. You are working in a confined space when you notice the smell of bad eggs. This smell is a sign of:

Question 7 of 25

8. Guard-rails are placed around the top of an excavation to prevent:

Question 8 of 25

9. If there is sludge at the bottom of a confined space, you should:

Question 9 of 25

10. What is the main reason for having a person positioned immediately outside a confined space whilst work is taking place inside it?

Question 10 of 25

11. What is the safest way to get into a deep excavation?

Question 11 of 25

12. An excavation must be supported if:

Question 12 of 25

13. You are in a deep trench and start to feel dizzy. What should you do?

Question 13 of 25

14. You are working in an excavation. If you see the side supports move, you should:

Question 14 of 25

15. When digging, you hit and damage a buried cable. What should you do?

Question 15 of 25

16. You are in a deep trench. A lorry backs up to the trench and the engine is left running. What should you do?

Question 16 of 25

17. You are working in a confined space. If the permit to work runs out before you can finish the job, you should:

Question 17 of 25

18. The main cause of death when people have to work in a confined space is:

Question 18 of 25

19. When digging you find a run of yellow plastic marker tape. What does it mean?

Question 19 of 25

20. Work in a confined space usually needs three safety documents – a risk assessment, a method statement and:

Question 20 of 25

21. Why is methane gas dangerous in confined spaces? Give TWO answers.

Question 21 of 25

22. You have to work in a confined space. There is no rescue team or rescue plan. What should you do?

Question 22 of 25

23. If you need to dig near underground services, you should only be using:

Question 23 of 25

24. What must happen each time a shift starts work in an excavation?

Question 24 of 25

25. You are in a confined space when the gas alarm sounds. You have no respiratory protective equipment (RPE). What should you do?

Question 25 of 25


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2 comments on “Excavations and Confined Spaces for Operatives”

  1. Really glad I could do mock and see what I did know and what I needed to learn

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