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AZ ROC A-11 Steel & Aluminum Erection Practice Questions - Arizona ROC A-11 CR-17 R-17 Steel And Aluminum Erection Examination Exam

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A 100-foot-long structural steel bridge girder is installed at 40°F. During peak summer heating, the steel temperature rises to 100°F. Given the coefficient of thermal expansion for structural steel is 6.5 x 10^-6 in/in/°F, how much will the girder expand in length?
Correct Answer:
0.468 inches

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