Featured Article Quiz #104
Bridge
#1 What is the primary purpose of a bridge?
To cross obstacles so vehicles, pedestrians, and other loads can pass over them
To block rivers and prevent water flow beneath roads
To transport only boats across channels using underwater tunnels
#2 Which bridge is described as the oldest surviving stone bridge in China and the world’s oldest open-spandrel stone segmental arch bridge?
Anji Bridge
Trajan’s Bridge
Ponte Vecchio
#3 In late 1700s Europe, engineers like Jean-Rodolphe Perronet and John Rennie primarily redesigned arch bridges to be:
Flatter for faster construction and improved water flow
Tall and steep to reduce structural span length
Completely movable to allow ships to pass under them