Default Default Default One Question Per Page false false Why are bridges considered so important according to the article? 1 They are important parts of a transportation network. They cost a lot of money. When they collapse it's a serious problem. How can the people who make bridges stop collapses? 3 By studying for longer at university By asking engineering experts to check their work By studying the reasons for a collapse Which of the following reasons is given as the cause of a bridge catching fire? 2 A lightning strike The contact between train tracks and train wheels The extreme heat of a train Which is an example of an error during construction? 2 The bridge catches fire. A mistake is made in the calculations. There is a natural disaster. How common is it for an earthquake to destroy a bridge? 3 Very common in earthquake zones Relatively common Relatively uncommon Which of the following is not mentioned as a defect in bridge construction? 2 A badly made part Inexperienced designers or engineers Poor-quality materials How does a train cause a bridge to collapse? 3 By being too heavy for a bridge to support By being very big By hitting a bridge very fast What role can modern technology have in reducing bridge accidents? 1 It can detect weak spots in the construction. It can stop human error. It can select higher-quality materials. https://339efcb25eb75e967b0d-ff8eeadd950d51fd1fc939dca75b3973.ssl.cf1.rackcdn.com/assets_default.swf