Geothermal Energy Geothermal Energy is a form of renewable energy and independent of sun, having the source of natural heat inside the earth. The term Geothermal comes from two Greek words ‘ GEO ‘ and ‘ THERM ‘. The Greek word ‘ GEO ‘means to the earth while ‘ THERM ‘ meant heat release from […]
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Light Light enables us to see things around us. This is a form of energy that we can detect with our eyes. It falls on objects, bounces off from their surfaces and reaches our eyes. It is the light that causes the sensation of vision in us. For example, the sun gives out light, therefore
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Heat The term Heat is a common noun. In English it is heat or warmth. In French chaleur, German warme, Latin calor etc. Heat is a form of Energy which can be felt but cannot seen. It causes the feeling of hotness or coldness. It always moves from a warmer place to a cooler place.
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Energy Energy is the word which comes from the Greek language. This is an ancient Greek word romanized from energeia operation. It was possibly appears in 4th century BC in the first time the work of Aristotle. Thomas Young was the first person who use the term “Energy” in modern sense in 1807. The source of
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Solar Cell A solar cell is an energy conversion device that is used to convert sunlight into electricity by using the photovoltaic effect. That’s why it is also known as a photovoltaic cell (PV cell). It is usually made from silicon. A simple solar cell consists of sandwich of a ‘ silicon- boron layer ‘ and
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Networking Introduction Networking is referred as connecting computers electronically for the purpose of sharing information such as files, applications, etc. Basically, network consists of hardware component like computer, hubs, switches, routers and other devices which form the network infrastructure. These are the devices that play an important role in data transfer from one place to
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INTRODUCTION: In the Mechanical Engineering field Lathe machine plays an important role in Manufacturing. In this article, I am going to discuss the Lathe machine in detail. A lathe is a machine tool used to remove unwanted metals from a work-piece to give the desired shape and size. It operates on the principle of a
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Heat Transfer The term heat is taken as synonymous to warm vitality. This utilization has its birthplace in the recorded understanding of warmth as a liquid ( caloric ) that can be moved by different causes, and that is additionally regular in the language of laymen and regular daily existence. Heat transfer consistently moves from
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Grinding Machine A grinding is metal cutting operation which is performed by means of a rotating abrasive wheel that acts as a tool. These are mostly used to finish workpieces which must show a high surface quality, accuracy of shape and dimension. Mostly, it is finishing operation because it removes material in very small size
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Drilling Machine A drilling machine is a power tool that is used to create cylindrical holes in a variety of materials, which are made up of metal, ceramic, wood, plastic, etc. The hole is generated by the rotating edge of a cutting tool known as a drill. The speed of the cutting tool is very
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