The velocity of kerosene oil in a horizontal pipe is $5 m/s.$ If $g = 10m/{s^2}$ then the velocity head of oil will be ....... $m$
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(a)Velocity head $h = \frac{{{v^2}}}{{2g}} = \frac{{{{(5)}^2}}}{{2 \times 10}} = 1.25\,m$
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