Electrical Machines I Prof. Krishna Vasudevan‚ Prof. G. Sridhara Rao‚ Prof. P. Sasidhara Rao 2 Basic Principles As mentioned earlier the transformer is a static device working on the principle of Faraday’s law of induction. Faraday’s law states that a voltage appears across the terminals of an electric coil when the flux linkages associated with the same changes. This emf is proportional to the rate of change of flux linkages. Putting mathematically‚ e= dψ dt (1) Where‚ e is the induced
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Bennett’s Machine Shop The mission and goals of Pat’s machine shop was to find innovative ways of repairing‚ renewing mechanical equipments and to provide its customers with superior products and services. The company’s mission reflects the founder‚ Pat Bennett’s interest. Armed with a degree in Engineering‚ Bennett wanted to exploit his core competence to make a mark in the machine industry. Being a passionate entrepreneur‚ Pat could successfully train his employees and also believed in detailed
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Sewing Machine Needles by W. A. Wimalaweera Introduction We know that the needle is a main element in the sewing machine. Earlier people used tiny pieces of material for sewing. Initially they were made from hones or bones of animals. In this session we will follow the gradual improvement of the needle. According to the type of material‚ there are different types of needles available. How ever the structural parts of a needle is common to all types. Needles are available in a wide range of sizes
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1. Life in the age of machines Life in the age of machines Background of the Industrial Revolution * Meaning of “Revolution” * Political Sense: means the overthrow a government by force * E.g. the French Revolution ‚ people in Paris overthrew the absolute king‚ Louis XVI and started a republic * Socio-economic Sense: means great improvements in people’s living conditions or ways of doing things * What was Industrial Revolution?
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September 2009 Egyptian civilization was born on the banks of the Nile in 3150 BC‚ when the upper and lower Egypt were united under the rule of the first Pharaoh. Egyptians were intelligent people who made inventions in almost every corner of life‚ which made them the longest lived civilization. Although normally the Egyptian civilization is associated with the pyramids and mummies‚ the Egyptians actually created numerous inventions that have made this civilization one of the greatest to have
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The Sumerian economy was based on agriculture. Sumerians were primarily farmers. In order to provide their crops with a regular supply of water‚ they created complex irrigation systems. The system consisted of a network of canals‚ dams‚ and reservoirs. Jobs included pottery makers‚ stonecutters‚ bricklayers‚ metal smiths‚ farmers‚ fishers‚ shepherds‚ weavers‚ leather-workers‚ and sailors. They grew barley‚ chickpeas‚ lentils‚ wheat‚ dates‚ onions‚ garlic‚ lettuce‚ leeks and mustard. They also raised
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College. One of the biggest and most crucial decisions of your life. College is classified as one of the biggest milestone of an individuals life‚ and the best. Going to college and seeking a degree you are more than likely to achieve success. Attending and graduating college guarantees a better life and more opportunities. You get to have a part in that college experience. I believe people should go to college and I am going to explain why. First‚ with a college degree‚ a better life and
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I already knew that the black car was following my dad and mom before they left. Now‚ I know for sure that the spying started during their trip to Percé‚ when they left the machine of rejuvenation. Even if it seems stupid‚ the name of the machine is more than to just attract tourists. Hugo was right. The machine was really capable of making humans younger. I could see things more clearly… Dad and mom fell in the trap of a monstrous organization. They used them like guinea
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Oluwapelumi Aladeseyi Susan Louise Sgroi Humanities 1-23-2013 Greek and Roman Civilization The Greek culture is considered by many to be the birthplace of western thoughts and civilization. The most fascinating factor for me about the Greek culture is the great revolutionary technological advancement and discoveries that they have made over time. Some of these discoveries are still being used today. Greek civilization put values on Tekhne‚ known to be the spirit of art‚ technical skill and craft
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Requirements document for an automated teller machine network August 5‚ 1996 Contents 1 Introduction 1.1 1.2 1.3 1.4 Purpose : : Scope : : : Overview : De nitions : 2 : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : 2 2 2 2 2 General Description 2.1
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