A solid steel cube constrained on all six faces is heated so that the temperature rises uniformly by T. If the thermal coefficient of the material is , Young's modulus is E and the Poisson's ratio is , the thermal stress developed in the cube due to heating is

A solid steel cube constrained on all six faces is heated so that the

1.	A solid steel cube constrained on all six faces is heated so that the temperature rises uniformly by T. If the thermal coefficient of the material is , Young's modulus is E and the Poisson's ratio is , the thermal stress developed in the cube due to heating is
A.	<table><tr><td rowspan="2">- </td><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center> ( T)E</center></td><td rowspan="2"></td></tr><td align="center">(1 - 2v)</td></table>
B.	<table><tr><td rowspan="2">- </td><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>2 ( T)E</center></td><td rowspan="2"></td></tr><td align="center">(1 - 2v)</td></table>
C.	<table><tr><td rowspan="2">- </td><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>3 ( T)E</center></td><td rowspan="2"></td></tr><td align="center">(1 - 2v)</td></table>
D.	<table><tr><td rowspan="2">- </td><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center> ( T)E</center></td><td rowspan="2"></td></tr><td align="center">3(1 - 2v)</td></table>
Answer» B. <table><tr><td rowspan="2">- </td><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>2 ( T)E</center></td><td rowspan="2"></td></tr><td align="center">(1 - 2v)</td></table>

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A solid steel cube constrained on all six faces is heated so that the temperature rises uniformly by T. If the thermal coefficient of the material is , Young's modulus is E and the Poisson's ratio is , the thermal stress developed in the cube due to heating is

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