Questions
Coefficients of linear expansion of two rods A and B are in the ratio 2 : 3. The rods are fixed between two rigid walls. If the young's modulii of the materials of the rod are in the ratio 2:1 and temperatures of the rods are increased by , the thermal stresses developed in the rods will be in the ratio
detailed solution
Correct option is B
Thermal stress σt=YαΔθ∴σtAσtB=YAYB.αAαB=2123=43Talk to our academic expert!
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A steel rod of length 5 m is fixed rigidly between two supports. of steel , With the increase in its temperature by . the stress developed in the rod is
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