Railways
NTPC (Technical Ability)
Engineering Mechanics and Strength of Materials
Question Bank
Strength of Materials
question_answer
Maximum shear stress in a solid shaft of diameter D and length L twisted through an angle \[\theta \] is \[\tau \] A hollow shaft of same material and length having outside and inside diameters of D and D/2 respectively is also twisted through the same angle of twist \[\theta .\] The value of maximum shear stress in the hollow shaft will be.