A steel rod of length L and diameter D, fixed at both ends, is uniformly heated

Question

A steel rod of length L and diameter D, fixed at both ends, is uniformly heated to a temperature rise of δT. The Youngs modulus is E and the coefficient of linear expansion is unity. The thermal stress in the rod is ____________

Options:

A . Zero

B . T

C . EδT

D . EδTL

Answer: Option C
Answer: (c).EδT

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