Welcome to the 'Specialists - Tunnelling'
This practice test will select 10 random questions, which you will be expected to complete within the allocated 10 minute time limit. You will be shown correct and incorrect answers at the end of the quiz.
Each question is representative of the type used in the Specialists Test.
Instructions:
- The test will begin after you select the 'Start Quiz' button below.
- For each question, choose from the multiple choice answers provided.
- Some questions may have more than one answer, a note will be displayed when to do this.
- After the last question, click 'Submit' to be shown your results.
Ready? Click 'Start Quiz' to begin.
NOx exposure can affect breathing. What should be the first control measure?
Nitrogen oxide (NOx) may be present in tunnel environments. Which type of plant typically produces the greatest amount of NOx?
What is the main danger presented by moving plant or locomotives in a tunnel?
Which of these are reasons why personnel carriers used in tunnels should be fitted with crash cages, side bars, or sliding doors. (Choose TWO)
When should a hop-up or refuge area in a tunnel be used?
Which of these are electronic control systems that are recommended to help manage a locomotive move safely behind a tunnel boring machine? (Choose TWO)
What should be provided at batching plants to deal with splashes of cement or concrete?
Which of the following is not a health hazard linked to sprayed concrete linings?
Inclined conveyor systems are fitted with anti-runback devices to stop the belt reversing. Which of these are possible failures are these devices intended to guard against? (Choose TWO)
If you notice a tear in the tunnel ventilation ducting while walking through the tunnel, what should you do?