ollow steel shaft 2660mm long is to be designed to transmit a torque of 24809kJ. The shear modulus of elasticity, G = 82,740 GPa for steel. The total angle of twist of the length of the shaft is must not exceed 6 degrees. And the shear stress in the shaft must not exceed 110.32 MPa. What would be the ratio of the outside diameter to inside diameter?

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