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Working Principle

Friction Definition And Types Of Friction

Friction And Types Of Friction The force which prevents the motion of a body over another body and acts in the direction opposite to the movement of the body is known as force of friction (or) simply friction. This force arises mainly due to the roughness and irregularities, which may …

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Surface Tension Of Water

Surface tension is defined as the force required to maintain unit length of the film in tension (or) it is the property of the liquid surface film to exert a tension. It is denoted by Greek letter σ (sigma) . In MKS units, it is expressed as kgf/m while in SI units …

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Venturimeter Principle

A venturimeter is a device used for measuring the rate of a flow of a fluid flowing through a pipe. It consists of three parts.  A short converging part  Throat  Diverging part It is based on the principle of Bernoulli’s equation. Inside of the venturimeter pressure difference is created by …

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Types Of Pattern Used For Casting

Types Of Patterns :- A pattern is an element used for making cavities in the mould, into which molten metal is poured to produce a casting. The type of pattern to be used for a particular casting depends upon many factors like design of casting, complexity of shape, number of …

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2 Stroke Engine Working And Applications

Dugald Clark (1878) invented the two-stroke engine. Theoretically the power output of the engine can be doubled for the same speed compared to a four-stroke engine. In two-stroke engines the cycle is completed in one revolution of the crankshaft. The main difference between 2-stroke and 4-stroke engines is in the …

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What Is Welding Process And Types Of Welding

There are many definitions of a welding process. But the most comprehensive definition is Welding is a fabrication process to make high strength joint between two or more parts by heating to their melting temperature, with or without the application of pressure and with or without the use of filler …

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