The lorsional rigidity of a shaft is expressed by the Maximum torque it can transmit Elastic limit up to which it resists torsion, shear and bending stresses Number of cycles it undergoes before failure Torque required to produce a twist of one radian per unit length of shaft 2- The value of shear stress which is induced in the shaft due to the applied couple varies From maximum at the center te zero at the circumference From zero at the center to maximum at the circumference From maximum at the center to minimum at the circumference From minimum at the center to maximum at the circumference 3- A circular shaft fixed at, A has diameter D for half of its length and diameter D/2 over the other half, as shown in the below figure. If the rotation of B relative to A is 0.1 radian, the rotation of Crelative to B will be 4/2 12 114 (T and Care same in both cases) 0.4 radian 0.8 radian 1.6 radian 3.2 radian 4- For steel, the ultimate strength in shear as compared to in tension is nearly Same Half One third Two third 5- A hollow shaft of same cross-section area as compared to a solid shaft transmit Same torque Less torque More torque Unpredictable

The lorsional rigidity of a shaft is expressed by the Maximum torque it can transmit Elastic limit up to which it resists torsion, shear and bending stresses Number of cycles it undergoes before failure Torque required to produce a twist of one radian per unit length of shaft 2- The value of shear stress which is induced in the shaft due to the applied couple varies From maximum at the center te zero at the circumference From zero at the center to maximum at the circumference From maximum at the center to minimum at the circumference From minimum at the center to maximum at the circumference 3- A circular shaft fixed at, A has diameter D for half of its length and diameter D/2 over the other half, as shown in the below figure. If the rotation of B relative to A is 0.1 radian, the rotation of Crelative to B will be 4/2 12 114 (T and Care same in both cases) 0.4 radian 0.8 radian 1.6 radian 3.2 radian 4- For steel, the ultimate strength in shear as compared to in tension is nearly Same Half One third Two third 5- A hollow shaft of same cross-section area as compared to a solid shaft transmit Same torque Less torque More torque Unpredictable

Mechanics of Materials (MindTap Course List)

9th Edition

ISBN:9781337093347

Author:Barry J. Goodno, James M. Gere

Publisher:Barry J. Goodno, James M. Gere

Chapter3: Torsion

Section: Chapter Questions

Problem 3.2.6P: A circular aluminum tube subjected to pure torsion by torques T(sec figure) has an outer radius...

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