Tunnels and bridges

What is it?

• Bulldozer

• Tunnel Boring Machine

• Concrete

• Tube

Which machine lowers the tubes at method 1?

• Cutting edges

• Beam

• Bulldozer

• A crane

What kind of bridge is it?

What lenght can a Tunnel Boring Machine cut and clear in one day?

• 15-20 metres

• 25-30 metres

• 50 metres

• 100 metres

What is the simplest kind of bridge

Choose picture of arch bridge

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Which two countries are joined by the Channel Tunnel?

Where is located Bridge of 33 arches?

• in England

• in Ukraine

• in USA

• in Iran

Which type of bridge can be the longest?

• Suspension bridge

• Arch bridge

• Beam bridge

How do tunnels help travellers?