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Relative Motion: Rain Example

The velocity ...

Question

The velocity of kerosene oil in a horizontal pipe is 5 m/s. If then the velocity head of oil will be

1.25 m

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12.5 m

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0.125 m

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125 m

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Solution

The correct option is A
1.25 m

Velocity head $h = \frac{v^{2}}{2 g} = \frac{(5)^{2}}{2 \times 10} = 1.25 m$

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