CITB Tunneling Specialists Mock Test - 1

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

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?

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

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 characteristics are associated with hydrogen sulphide gas?

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

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

What hazards need to be controlled during sprayed concrete operations?

How could hydrogen sulphide affect those working in a tunnel?

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

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

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

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

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

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

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

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 must be fitted as a conveyor system safety device?

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