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GATE ME 2017 Set 2 — Question 10

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NAT+2 / -0MediumThermal StressesStress, Strain & Elastic ConstantsStrength of Materials

Strength of Materials → Stress, Strain & Elastic Constants → Thermal Stresses

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Question

A steel bar is held by two fixed supports as shown in the figure and is subjected to an increase of temperature ΔT=100 ∘C\Delta T=100\ ^\circ\text{C}. If the coefficient of thermal expansion and Young's modulus of elasticity of steel are 11×10−6 /∘C11\times10^{-6}\ /^\circ\text{C} and 200 GPa200\ \text{GPa}, respectively, the magnitude of thermal stress (in MPa) induced in the bar is ________
A steel bar fixed between two rigid supports
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