The sides of a horizontal pipe carrying dirty water get dirty.Explain
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Dirt in water consists of moist sticky particles of some, however small but significant mass. Due to turbulence of flow of water, these particles are subject to peripheral cohesive and adhesive forces which make them stick to the walls of the horizontal pipe.[This effect is very less in vertical pipes because the dirt particles get less chance to stick to the walls of the vertical pipe due to gravity.]
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☺️☺️
let us have an easy to understand answer for this question,
Dirt in water consists of moist sticky particles of some, however small but significant mass. Due to turbulence of flow of water, these particles are subject to peripheral cohesive and adhesive forces which make them stick to the walls of the horizontal pipe.[This effect is very less in vertical pipes because the dirt particles get less chance to stick to the walls of the vertical pipe due to gravity.]
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Answer:Yes
Explanation:
when dirty water is flowing through the horizontal pipe, the velocity of the water is maximum along the axis of pipe, i.e. a relative motion exists between the various layers of the liquid flowing through the pipe. As a result of it, a viscous drag comes into play which opposes the relative motion between the adjacent layers. Due to it, the dirt particles presuent in dirty water move outwards and get struck on the walls of pipe, making the pipe dirty.
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