1.

What is change in length of member if temperature increases by ΔT and expansion coefficient is ά?$

A. <sup>1</sup>⁄<sub>4</sub> ά ΔTL
B. <sup>1</sup>⁄<sub>3</sub> ά ΔTL
C. <sup>1</sup>⁄<sub>2</sub> ά ΔTL
D. ά ΔTL
Answer» E.


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