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Water is flowing through a horizontal tu...

Water is flowing through a horizontal tube of length 0.25 m and radius ` 4xx 10 ^(-4)` m under a constant pressure head of 0.2 m of water, at the rate of `5 xx 10 ^(-6) m^(3)` per minutre . Calculate the coefficient of visosity of water. Density of water = 1000 kg `m^(-3)`

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To calculate the coefficient of viscosity of water flowing through a horizontal tube, we can use the formula for the flow of a viscous fluid through a pipe, which is derived from Poiseuille's law: \[ Q = \frac{\pi \Delta P r^4}{8 \eta L} \] Where: - \( Q \) = volume flow rate (in m³/s) ...
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Knowledge Check

  • At What velocity does water emerge from an orifice in a tank in which gauge pressure is 3 xx 10^(5) Nm^(-2) before the flow starts ? (Take the density of water =1000 kg m^(-3) .)

    A
    `24.5 m s^(-1)`
    B
    `14.5 m s^(-1)`
    C
    `34.5 m s^(-1)`
    D
    `44.5 m s^(-1)`

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