Explain about Powder Technology?
Powder technology is one of the ways of making bearing material. In this method metals like bronze, Al, Fe are mixed and compressed to make an alloy.
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Mechanical Interview Questions: Following mechanical engineering interview questions are frequently asked in the interview panels for both fresher’s as well as an experience candidate in mechanical engineering field. Explain the Second Law of Thermodynamics? The entropy of the universe increases over time and moves towards a maximum value. The second law of thermodynamics states that the total entropy of an
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Energy is the capacity for doing work, generating heat and emitting light. It is measured as the total amount of work that the body can do. Energy is measured in units of caloric and joule. A kilocalorie is the amount of energy or heat required to raise the temperature of 1 kg of water from 14.5°C to 15.5°C. The joule is defined as the amount of energy exerted when a force of one newton is applied over a displacement of one meter.
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A tensile test, also known as a tension test, tests a material’s strength. It’s a mechanical test where a pulling force is applied to a material from both sides until the sample changes its shape or breaks. It’s is a common and important test that provides a variety of information about the material being tested, including the elongation, yield point, tensile strength, and ultimate strength of the material. Tensile tests are commonly performed on substances such as metals, plastics, wood, and ceramics.
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As the standards of our industry rise due to increasing globalization and competition, there is an ever growing need for consistency and reliability. Breakdown of any unit, system or equipment is an avoidable and costly occurrence and must be prevented or minimized. Analysis of such failures becomes a resourceful and affordable tool in addressing such unwanted occurrences.
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Computer-aided design (CAD) is a process that allows computer users to design a variety of products and geometric shapes on-screen, rather than building them by hand. Using CAD software, one can create and modify an object to determine how it will appear and function after it is built. CAD drawings often include a computer-generated image of the design, as well as its dimensions, processes, and materials. CAD drawings may be either two dimensional (2D) or three-dimensional (3D). When an object is drawn in 3D using CAD, the process is often referred to as rendering or modeling, while 2D design is often called “drafting.”
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What Is CAD
Computer Aided Design (CAD) is a form of design in which people work with computers to create ideas, models, and prototypes. CAD was originally developed to assist people with technical drawing and drafting, but it has expanded to include numerous other potential uses. A variety of software products designed for CAD can be found on the market, with many being targeted to a specific application or industry.
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AutoCAD was one of the first Computer Aided Design programs to be made available on personal computers. It is built to help people design buildings, products, or public spaces, without having to draw up plans by hand. It was released in 1982 by Autodesk, Inc., and offered a personal solution to software that was before then released only for larger workstations. While CAD programs prior to AutoCAD required massive amounts of computing power in the form of gigantic computers, AutoCAD streamlined its operating and optimized it for the IBM PC, allowing people to work from home or on their own work computers.
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As a CAD specialist you need to develop standard mechanical engineering drawings such that it can be easily interpreted by the mechanical engineer. Before you start working on mechanical drawings, you must know how to use common mechanical symbols correctly. You have to take special care while relating various mechanical components design drawings to the overall plan of the assembly.
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1. IIT ROORKEE 2. IIT, KHARAGPUR 3. IIT KANPUR 4. IIT BOMBAY 5.IIT DELHI 6. IIT MADRAS 7. Birla Institute of Technology & Science 8. Institute of Technology, Banaras Hindu University 9.Indian School of Mines University 10. IIT Guwahati 11. IIIT Allahabad 12. College of Engineering, Anna University 13. National Institute of Technology 14. Delhi University 15. Netaji Subhash Institute of Technology
16. PSG College of Technology 17. DA-IICT 18. Birla Institute of Technology, Mesra 19. Thapar University, Patiala 20. Manipal Institute of Technology