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The Coefficient of Linear Expansion of Steel Is 12 ×

Question 24

Multiple Choice

The coefficient of linear expansion of steel is 12 × 10-6 K-1.What is the change in length of a 25-m steel bridge span when it undergoes a temperature change of 40 K from winter to summer?


A) 1.2 cm
B) 1.4 cm
C) 1.6 cm
D) 1.8 cm
E) 2.0 cm

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