Bridge Design Test

Bridges are designed from __________ but built from __________.

• aesthetics, concrete
• bottom up, top down
• top down, bottom up
• paper, steel

What are the two main forces that act on a bridge?

• Tension
• Compression
• Torsion
• Bending
• Shear

True or False: A beam that bends due to dynamic forces will experience both forces: Tension and Compression

• True
• False

What structural component of a bridge will experience only compression?

• Bridge deck
• Vertical cables
• Columns
• Horizontal beams

What structural component of a bridge will experience only tension?

• Bridge deck
• Vertical cables
• Columns
• Horizontal beams

At what point is the beam undergoing compression?

• A
• B

At what point is the beam undergoing tension?

• A
• B

A tension force will try to __________ component of a bridge.

• shrink
• stretch
• twist

A compression force will try to __________ component of a bridge.

• shrink
• stretch
• twist

What is the main advantage of Truss and Suspension bridges over Beam and Arch bridges?

• They can support a greater load
• They are easier to build
• They are more aesthetically pleasing to the eye
• They can span longer distances