The engine is the heart of an automobile. It is a device that converts the chemical energy of fuel into mechanical energy which is used to drive the vehicle. It is basically a device that produces power. In automobiles internal combustion (IC) engines are used. The IC engine is the engine in which combustion (burning […]
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Hydraulic machine are those machines which convert hydraulic energy (energy possessed by water) into mechanical energy (which is further converted into electrical energy) or mechanical energy into hydraulic energy. The hydraulic machines, which convert the hydraulic energy into mechanical energy, are called turbine while the hydraulic machines which convert the mechanical energy into hydraulic energy
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Heat conduction equation is defined as the differential equation through which we can define the conduction in any shape of body and we can calculate the temperature at any point in a medium in any situation like steady flow, transient flow, one dimension flow, three dimension flow etc. It is governing equation of conduction. There
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Before starting the lesson just think over the questions given below. Q.1 why the bottom of a pan used in the kitchen usually made by copper? Q.2 why the handle of steel a pan used in the kitchen is covered by plastic or wood? Q.3 why we use blankets or woolen clothes in cold? Q.4
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The definitions or terms used in science are the language of science. As we learn alphabets to speak or understand the English language in the same way we should need to learn those terms which are necessary to understand the scientific language. So some important definitions or terms that we must know to understand the
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What is Centre of gravity Centre of gravity of a body is defined as the point through which the whole weight of the body acts. A body can have only one centre of gravity for all positions of the body. It is represented or denoted by C.G. or G. What is Centroid The point, at
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If you dream of owning an expensive car, then you are at the right place. In this article, I will tell you about the top 5 most expensive cars in the world in 2023. Here you will know the price, engine, acceleration, and top speed of the most expensive cars. So let’s begin to explore
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To know about heat transfer first we must know about energy. Energy is the ability to do work or produce power to do work . Energy can neither be created nor be destroyed but it can change from one from to another. Energy can exist in various forms like mechanical energy, chemical energy, electrical energy, nuclear
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We all know that heat is the form of energy and it can be transfer from one body to another by virtue of temperature difference. The branch of science in which we study about transfer of heat is known as heat transfer. Why should we know about heat transfer? Heat transfer is required to know
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In order to understand the subject mechanics of solids (or strength of materials) , first we must know the meaning of strength of materials. When an external force is applied on the body in the form of push or pull, the body tends to undergo some deformation. But due the existence of cohesive forces between
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