A rod of aluminium is fixed between two rigid
support. If the temperature of rod is increased
by 10°C, then the thermal stress on the rod is
(Take Y = 7 x 1010 Pa and a = 2.4 x 10-5 K-1)
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Answer:
∆@=10°¢
=¥a@∆
=7×1010×2.4×10^-5×10
=1.69nm^-2
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