A 25-m long beam is simply supported at the right end and 5m from the left end. It is subjected to a highway live load of 3kN/m that moves along the beam and it is also carrying a uniform dead load of 5kN/m. Determine the maximum shear at midspan. 12.5 kN 4.375 kN 10.625 kN

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Types and properties of steel

Steel is an alloy of iron. It is formed by heating iron and combining carbon (0.1-1.7%) with it and minor amounts of other elements such sulfur,  chromium, manganese, nickel, etc. Thousands of steel grades have been published, registered, or regulated around the world, each with its chemical composition, and special numbering systems have been devised in various countries to classify the vast number of alloys.