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.
What colour is a 400-volt plug?
When working underground, how quickly should you be able to reach your self-rescue set?
For tunnelling work, what is the minimum number of escape routes or means of escape that must be available from a working shaft?
Which feature is commonly associated with hydrogen sulphide gas?
Which of these are electronic control systems that are recommended to help manage a locomotive move safely behind a tunnel boring machine? (Choose TWO)
If you notice a tear in the tunnel ventilation ducting while walking through the tunnel, what should you do?
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)
Which traffic light colour sequence is commonly used underground to control plant movement?
What is the most effective way to deal with the tunnel-boring machine operator having limited visibility?
Nitrogen oxide (NOx) may be present in tunnel environments. Which type of plant typically produces the greatest amount of NOx?
