Computer · Strength of Materials
A steel bar 2 m long is fixed between two rigid supports. If the temperature of the bar is raised by 20 °C, find the thermal stress developed in the bar in MPa. The coefficient of thermal expansion of the material of the bar is 12 × 10-6/°C and Young's modulus of elasticity is 200 GPa.
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1120 (Compressive)
- 248 (Tensile)
- 3120 (Tensile)
- 448 (Compressive)✓
Correct answer
48 (Compressive)
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