A solid circular shaft of diameter (d) transmits a torque (T). The maximum shear stress induced in the shaft is:

The most economical section of a shaft subjected to pure torsion is:

In a shaft system with equal lengths and a common angle of twist, the torque is divided between two parallel shafts based on the:

If T = Torque, J = Polar moment of inertia, C = Modulus of rigidity, θ = Angle of twist, and L = Length of the shaft, which of the following is the correct torsional equation?