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A steel wire is rigidly fixed along diameter of aluminium ring of radius R as shown. Linear expansion coefficient of steel is half of linear expansion coefficient for aluminium, then the thermal stress developed in steel wire is: (α Al is linear expansion coefficient for aluminium and Young’s modulus for steel is Y ?

A steel wire is rigidly fixed along diameter of aluminium ring of radius R as shown. Linear expansion coefficient of steel is half of linear expansion coefficient for aluminium, then the thermal stress developed in steel wire is: (αAl is linear expansion coefficient for aluminium and Young’s modulus for steel is Y  ?

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Grade:12

1 Answers

Saurabh Kumar
askIITians Faculty 2411 Points
6 years ago
Thermal stress developed in the steel wire would be due to the radial component of tension produced in the aluminium wire,
Consider a small part of the aluminium wire and find out the radial component of the tension produced due to expansion on thermal chamge...
For similar problems, you may opt for solved example in concepts of Physics(Thermal expansion)


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