A

Admin • 802.91K Points
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Q. Consider a 250mmx15mmx10mm steel bar which is free to expand is heated from 15C to 40C. what will be developed?

  • (A) compressive stress
  • (B) tensile stress
  • (C) shear stress
  • (D) no stress
Explanation by: Admin
if we resist to expand then only stress will develop. here the bar is free to expand so there will be no stress.

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