Aerospace Engineering > GATE 2014 > Buckling
A structural member of rectangular cross-section 10mm 6mm and length Im is made of steel (Young's modulus is 200GPa and coefficient of thermal expansion is 12×10-6/°C). It is rigidly fixed at both the ends and then subjected to a gradual increase in temperature. Ignoring the three dimensional effects, the structural member will buckle if the temperature is increased by ΔT°C which is
Correct : b
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