A steel rod is 3.425 cm in diameter at 21.00°C. A brass ring has an interior diameter of 3.421 cm at 21.00°C. At what common temperature will the ring just slide onto the rod? The linear expansion coefficient of steel is 11.00 x 10-6 1/C?. The linear expansion coefficient of brass is 19.00 × 10-6 1/C°. Number Units

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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.