CITB Tunneling Specialists Mock Test - 2

Which of the following is a reliable way to detect carbon monoxide and methane gas?

When charging lead acid batteries they produce an explosive gas, smoking or other naked flames are not permitted within what distance of a battery-charging area?

What must batching plants must be equipped with ?

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

In straight sections of tunnel what is the recommended maximum distance between safe refuges?

Inclined conveyors are fitted with anti roll back devices to prevent the belt running backwards due to which TWO potential failures?

How should communication equipment be powered?

What term is used for the access and egress control system to tunnels?

As a minimum how long must a fire watch be maintained after hot works have been completed?

Which of the following situations would require using a safety harness?

Which of the following is the least effective method of controlling locomotive movements in the pit bottom?

A secure barrier must be maintained around any shaft to prevent falls. What is the minimum recommended height of the barrier?

On curved sections of tunnel what is the recommended maximum distance between safe refuges?

How often should safe-refuge (hop ups) be located along a tunnel?

Which of the following is NOT a hazard associated with hand mining?

Which of the following personal protective equipment (PPE) is NOT normally required for robotic-sprayed concrete lining operations in tunnelling?

What is the first action to be taken if there is a blockage in the grouting pipe?

What is the biggest health risk associated with hydrogen sulphide gas?

Oxygen cylinders should not be allowed to come into contact with which of the following substances?

When should a hop-up or refuge in the tunnel be used?