293766222 - Engineering Engineering is the design,...

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Engineering Engineering is the design, analysis, and/or construction of works for practical purposes. One who practices engineering is called an engineer , and those licensed to do so have formal designations such as Professional Engineer or Chartered Engineer. Engineers use imagination, judgment, and reasoning to apply science, technology, mathematics, and practical experience. The result is the design, production, and operation of useful objects or processes. The broad discipline of engineering encompasses a range of specialized subdisciplines that focus on the issues associated with developing a specific kind of product, or using a specific type of technology. Methodology The crucial and unique task of the engineer is to identify, understand, and interpret the constraints on a design in order to produce a successful result. It is usually not enough to build a technically successful product; it must also meet further requirements. Constraints may include available resources, physical or technical limitations, flexibility for future modifications and additions, and other factors, such as requirements for cost, marketability, producibility, and serviceability. By understanding the constraints, engineers derive specifications for the limits within which a viable object or system may be produced and operated. Problem solving Engineers use their knowledge of science, mathematics, and appropriate experience to find suitable solutions to a problem. Creating an appropriate mathematical model of a problem allows them to analyze it (sometimes definitively), and to test potential solutions. Usually multiple reasonable solutions exist, so engineers must evaluate the different design choices on their merits and choose the solution that best meets their requirements. Engineers typically attempt to predict how well their designs will perform to their specifications prior to full-scale production. They use, among other things: prototypes, scale models, simulations, destructive tests, nondestructive tests, and stress tests. Testing ensures that products will perform as expected. Engineers as professionals take seriously their responsibility to produce designs that will perform as expected and will not cause unintended harm to the public at large. Engineers typically include Extracted from Wikipedia 1
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a factor of safety in their designs to reduce the risk of unexpected failure. However, the greater the safety factor, the less efficient the design may be. Etymology The Oxford English Dictionary gives one, now obsolete, meaning of engineer (dating from 1325) as "A constructor of military engines". Engineering was originally divided into military engineering (which included construction of fortifications as well as military engines) and civil engineering (non-military construction of such as bridges).
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This note was uploaded on 02/26/2011 for the course ENG 307 taught by Professor Dr.t.t.wong during the Spring '11 term at Hong Kong Polytechnic University.

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293766222 - Engineering Engineering is the design,...

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