A Bridge Is Made with Segments of Concrete 50 M $\degree$

question 40

Multiple Choice

A bridge is made with segments of concrete 50 m long.If the linear expansion coefficient is 12 *10 ^{- 6} ( $\degree$ C) ^{- 1},how much spacing (in cm) is needed to allow for expansion during an extreme temperature change of 150 $\degree$ F?

• A)10
• B)2.5
• C)7.5
• D)5.0
• E)9.5