Sydney Harbor Arch Bridge Quiz

What was a significant challenge during the construction of the Sydney Harbor Arch Bridge?

• Designing the bridge to withstand earthquakes

• Joining of two half arches on a windy day

• Finding enough workers for construction

• Transporting materials to the construction site

Why would a circular shape have been a catastrophic failure for the bridge design?

• A long road deck cannot stand without support

• It would obstruct the movement of ships below

• It would not support the weight of trains

• It would be too expensive to construct

What is the best self-supporting structure for an arch bridge?

• Triangular

• Rectangular

• Parabolic

• Circular

How many rivets hold the Sydney Harbor Arch Bridge together?

• About 3 million

• About 6 million

• About 9 million

• About 12 million

What happens to the Sydney Bridge during summer time due to temperature changes?

• It contracts by 7 inches

• It expands by 7 inches

• It rises by 7 inches

• It lowers by 7 inches

What type of bridges are called through Arch Bridges?

• Bridges with the road deck above the arch

• Bridges with the road deck below the arch

• Bridges with a circular arch

• Bridges with a suspension design

Why didn't they opt for a suspension bridge at Sydney Harbor?

• Suspension bridges take longer to build

• Suspension bridges are more expensive

• Suspension bridges sway under heavy loads

• Suspension bridges are less durable

What is the weight of the Sydney Harbor Arch Bridge?

• About 48,000 tons

• About 28,000 tons

• About 58,000 tons

• About 38,000 tons

What ensures that the position of the road deck is not affected by temperature changes?

• The design of the road deck

• The expansion of hangers

• The placement of the pedestrian lanes

• The use of flexible materials

Why was one side of the arch constructed faster than the other?

• To test the strength of the materials

• To create a unique design feature

• To rectify any mistakes in design or construction

• To speed up the overall construction process