Questions
A rod of length 2 m is at a temperature of 20°C . The free expansion of the rod is 0.9mm. If the temperature is increased to 50°C , the stress produced when the rod is fully prevented to expand
detailed solution
Correct option is A
∴ Thermal stress = strain ×Y=Δll×Y=(αΔt)YTalk 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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