About Ahmed alhebsi
You are tasked with designing a steel column for a structure that supports a compressive load of F=100,000 N.
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A simply supported beam of length L=6 m is subjected to a point load F=15 kN at its midpoint.
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A tapered bar of length L=3 m has a diameter varying linearly from d =0.05 m at one end to dz=0.01 m at the other. It is subjected to a tensile force F=10,000 N.
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A composite bar consists of two segments in series
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A steel rod of diameter d=0.04 m is subjected to a tensile load F=25,000 N.
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The man attempts to support the load of boards having a weight W and a center of gravity at G. If he is standing on a smooth floor, determine the smallest angle theta at which he can hold them up in the position shown. Neglect his weight.
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Jackscrew
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Screw
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Block
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What is a Carnot cycle and how can its efficiency be calculated? Explain as why Carnot cycle sets the benchmark for comparison purpose with all heat engines.
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