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Shear Strain

Which of the ...

Question

Which of the following shafts is stronger

A

solid

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B

hollow

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C

cylindrical

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D

circular

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Solution

The correct option is B hollow
The shear stress developed in a hollow shaft is lesser than that developed in a solid shaft for the same applied torque and same external diameter. The Strength to weight ratio in Hollow shaft is higher than the Solid shaft.

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