Mechanical Engineering > GATE 2014 Set-1 > Thermal Stress
A 200 mm long, stress free rod at room temperature is held between two immovable rigid walls. The temperature of the rod is uniformly raised by 250°C. If the Young’s modulus and coefficient of thermal expansion are 200 GPa and 1×10-5 /°C, respectively, the magnitude of the longitudinal stress (in MPa) developed in the rod is _______
Correct : 499 to 501
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