A rectangular channel 12 m wide carries 27.44 m3/s. The slope of the channel bed is 0.00283. Upstream, the depth si 1.37 m while 90 m downstream, the depth is 1.52 m. Determine the head loss from upstream to downstream. 0.53 0.81 0.13 0.39

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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.