Define the term Thermal stress.

1.	Define the term Thermal stress.
Answer» If a rod is fixed between two rigid supports, due to change in temperature its length will change and so it will exert a normal stress. This stress is called thermal stress. Thermal stress = Y α ∆θ. Force produced in the body = YA α∆θ.

Answer»

If a rod is fixed between two rigid supports, due to change in temperature its length will change and so it will exert a normal stress. This stress is called thermal stress.

Thermal stress = Y α ∆θ. Force produced in the body = YA α∆θ.

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Define the term Thermal stress.

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