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GATE 2024 Strength of Materials 52
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Question 1
A bar of length 3 m is fixed at both the ends as shown in figure initial stress in bar is 30 MPa (Tensile) is induced at 15°C. The total stress (MPa) in bar if temperature is raised by 20 K. Take 
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Question 2
When the temperature of a fixed bar is increased, the stress induced in the bar is ______.
Question 3
Which of the following is true for the thermal expansion coefficient?
Question 4
For any given material, the thermal stress is function of:
1) Coefficient of linear function
2) Modulus of elasticity
3) Temperature rise
Which of the following is/are correct?
Question 5
A circular cross section, linearly tapered (from d1 to d2) bar is rigidly held between two supports. When heated by amount T℃, the support reactions will be: (E=Young’s Modulus)
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