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When water flows through a pipe, which o...

When water flows through a pipe, which of the layers moves fastest and slowest?

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When water is flowing through a pipe water layers in contact with bottom layers of pipe will have lowest velocity and water layer just below the top of inner layer of pipe will have highest velocity.
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Knowledge Check

  • A horizontal pipe of no uniform cross section has water flow through it such that the velocity 1ms^(-1) at a point where the pressure is 50 Kpa The pressure at a point where the velocity flow is 2ms^(-1) is

    A
    1500 Pa
    B
    51500Pa
    C
    48500Pa
    D
    3000Pa

  • When a current flows through a conductor, its temperature

    A
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    B
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    C
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    D
    decreases

  • An ideal fluid flows through a pipe of circular cross -section made of two sections with diameters 2.5 cm and 3.75 cm. The ratio of the velocities in the two pipes is

    A
    `9:4`
    B
    `3:2`
    C
    `sqrt(3):sqrt(2)`
    D
    `sqrt(2):sqrt(3)`

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