Question

The velocity of kerosene oil in a horizintal pipe is 5 m/s. If g = 10 m/s2 then the velocity head of oil will be

Answer 1

Dear Student,

● Answer -

h = 1.25 m

◆ Explanation -

# Given -

v = 5 m/s

g = 10 m/s^2

h = ?

# Solution -

As we know, velocity of liquid in horizontal pipe is given by formula -

v = √(2gh)

5 = √(2 × 10 × h)

5 = √(20 × h)

25 = 20 × h

h = 25/20

h = 1.25 m

Hence, the velocity head of oil will be 1.25 m.

Thanks dear. Hope this helps you...

Answer 2

The velocity head of oil will be 1.25 m.

Given:

The velocity of kerosene oil in a horizintal pipe is 5 m/s.

Gravity, g = 10 m/s^2

Solution:

When a certain fluid is passing of flowing through a pipe in the case, where given the velocity of kerosene oil.

And we need to find out the velocity head.

It is the velocity that we will need to increase the speed of the flow inside the pipe for which the formula is quotient of Square of velocity (v) to twice Gravity (g).

Formula for the velocity head of oil is, $h = \frac{v^2}{2 \times g}$

Putting the values in this formula,

We get m,

h = $\frac{5^2}{2 \times 10}$

h = $\frac{25}{20}$

h =$\frac{5}{4}$

h = 1.25m  

The velocity head of oil will be 1.25 m.

To know more:

Is velocity ratio of a machine affected by applying oil in it? explain with reason

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