Intensive Listening Test

L3. Where does the TV show ‘Las Vegas’ take place?

• In a shopping mall

• In a police department

• In a casino

• In a crime lab

What is a face-print?

• Code which identifies a face

• Distinctive curves in the face

• A 2D image of the face

• The number of nodal points on the face

Identify TWO problems with 2D facial recognition from the list below.

• It is not effective if a picture is dark.

• The person in the photograph must face the camera.

• Facial curves change over time.

• Nodal points cannot be measured.

What is the problem with the 3D technology?

• It can only be used when the individual is directly facing the camera

• The image might change over time

• It’s impossible to match a 3D image to a 2D image

• It cannot distinguish between identical twins

Which TWO elements below can be measured by Skin Biometric technology?

• The curve of someone’s chin

• The texture someone’s skin

• The existence of lines on the face

• The distance between the eyes

Which of these faces will the Skin Biometric System be UNABLE to identify?

• 
• 
• 
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L4. What is a borehole?

• A kind of tunnel

• A smaller version of the final tunnel

• A shaft drilled into the ground

• A tunnel construction method

What tunnelling system was used to create the tunnels in the London underground system?

• Cut and Cover

• Boring

• Top Down

• Immersed Tube

What will the choice of boring machine depend on?

• A The number of buildings and roads in the area

• The depth and length of the tunnel

• The rock type and ground water content

• The time available to complete the project

What is the purpose of ground freezing?

• It increases the stand-up time

• It allows tunnels to be built in hard rock

• It allows water to be pumped out of the ground

• It softens the rock