The tubular shaft shown in the figure has an external diameter of D = 5.5 in. and an internal diameter of d = 2.75 in. and is subjected to a torque of T= 6825 lb-in. [theta = 31 deg] What is the shear stress at A?in psi What is the shear stress at B?in psi What is the shear stress at C? What is the shear stress at D?in psi What is the shear stress at E?in psi

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Bars

In civil engineering, bars refer to steel reinforcement bars or rebars. These are structural members primarily used for reinforcement purposes in masonry works. A bar is characterized by its cross-sectional area, which is negligible compared to its length. Bars are usually manufactured by steel which is uniform throughout the length, or by meshing multiple steel wires. Other materials of the bar include carbon steel, glass fiber, carbon fiber, and basalt fiber. The reinforcing bars are coated with epoxy resins and other materials to enhance some of their properties including corrosion resistance.