CITB Tunneling Specialists Mock Test - 1

While walking through the tunnel you see a tear in the ventilation ducting. What should you do?

What hazards need to be controlled during sprayed concrete operations?

For tunnelling operations what is the minimum number of escape routes or methods that must be maintained from a working shaft?

Which of the following is NOT a health risk associated with sprayed concrete linings?

What is the likely hazard from moving plant or locomotives in a tunnel?

Nitrogen oxide (N0) gas can be present in tunnels. Which one of these plant items causes most nitrogen oxide to be generated/made?

Why is it important to clean grouting pipelines after use to prevent injury to workers?

A locomotive or vehicle is approaching you in the tunnel? When should you make your way to a hop-up or safe refuge?

Exposure to nitrogen oxide (N0) gas can cause breathing problems. Which of the following should be the first control measure?

Which of the following is one way to tell that there may be hydrogen sulphide in the air?

Which of the following characteristics are associated with hydrogen sulphide gas?

Crash cages and side bars/or sliding doors should be fitted to all man-riding cars used in the tunnel. Select TWO reasons why they are needed.

Which of the following is a common traffic light system used underground to control plant movement?

When working underground where should your self-rescue set be?

Which of the following is a potential accident which could occur during pumped grouting operations?

How could hydrogen sulphide affect those working in a tunnel?

A grout gun inserted into a segment grout hole may present which of the following hazards?

Which of the following statements is correct regarding hand-arm vibration syndrome?

Which of the following must be fitted as a conveyor system safety device?

What is a common method used for communication between the tunnelling face and the surface?