Mechanical Engineering

Mechanical engineering is a diverse subject that derives its breadth from the need to design and manufacture everything from small individual parts and devices (e.g., microscale sensors and inkjet printer nozzles) to large systems (e.g., spacecraft and machine tools). The role of a mechanical engineer is to take a product from an idea to the marketplace. In order to accomplish this, the mechanical engineer needs to understand the forces and the thermal environment that a product, its parts, or its subsystems will encounter; to design them for functionality, aesthetics, and the ability to withstand the forces and the thermal environment they will be subjected to; and to determine the best way to manufacture them and ensure they will operate without failure. The one skill that is the mechanical engineer’s exclusive domain is the ability to analyze and design objects and systems with motion. 

Manufacturing - Defined as making of goods or wares by machinery on a large scale. It encompasses everything from purchasing materials to quality control of the processes involved. Currently all large scale manufacturing involves use of computers to control the entire production process. 

Computer Aided Designing - Use of computers for design of objects; modeling of physical systems on computers, allowing both interactive and automatic analysis of design variants, and the expression of designs in a form suitable for manufacturing. 

Thermal and fluid engineering ¬– Involves development of equipment in which fluid flows; study of mass transfer, heat transfer and chemical reactions involved in manufacturing processes. This is also related to power production which is falls under electrical engineering. 

Industrial engineering and operations research - Industrial engineering is concerned with the design, analysis, and control of production and service operations and systems; Operations research is an applied science and is concerned with quantitative decision problems involving allocation and control of limited resources. 

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