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  4. The velocity of kerosene oil in a horizontal pipe is 5 m s- 1 . If g=10 m s- 2 , then the velocity head of oil will be

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Q. The velocity of kerosene oil in a horizontal pipe is $5 \, m \, s^{- 1}$ . If $g=10 \, m \, s^{- 2}$ , then the velocity head of oil will be

NTA AbhyasNTA Abhyas 2022

Solution:

In Bernoulli's theorem,
$ \, \text{Velocity head}=\frac{v^{2}}{2 g}$
Velocity head $=\frac{(5}{2 \times 10}$
$ \, \text{Velocity head}=1.25 \, m$