Class Work

What is the main function of all bridges?

• To connect two points over obstacles

• To look beautiful

• To provide shelter

• To serve as landmarks

Why do engineers consider the skew angle when designing a bridge?

• To enhance the bridge's aesthetic

• To plan the structural support

• To decide the height of the bridge

• To determine the color of the bridge

What type of force tries to stretch a bridge component?

• Bending

• Tension

• Shear

• Compression

Which bridge is known for its ability to handle earthquakes due to its design?

• Millau Viaduct

• Golden Gate Bridge

• Brooklyn Bridge

• Tower Bridge

What is the primary purpose of the cables in a suspension bridge?

• To make it look modern

• To support the deck

• To add color

• To connect the bridge to the ground

Which bridge type is beneficial for long spans due to fewer supports needed?

• Truss bridges

• Cable-stayed bridges

• Arch bridges

• Beam bridges

What material is noted for its strength in compression in arch bridges?

• Wood

• Steel

• Stone

• Plastic

What does pre-stressed concrete help prevent in bridge beams?

• Color fading

• Excessive bending

• Shrinking

• Expansion

What is a key feature of movable bridges?

• They are made of glass

• They can rotate or lift

• They can float on water

• They can change color

Why might an engineer recommend reducing the load a bridge can carry?

• To increase traffic speed

• To save costs on repairs

• To ensure safety

• To test new materials