First slide

Fluid dynamics

Question

At what speed, the velocity head of water is equal to pressure head of 40 cm of Hg?

Moderate

A

10.3 m/s
B

2.8 m/s
C

5.6 m/s
D

8.4 m/s

Solution

P= $\frac{ρ u^{2}}{2}$ P= $ρ g h$
$u = \sqrt{\frac{2 P}{ρ_{w}}} = \sqrt{\frac{2 \times 400 \times 10^{5}}{760 \times 10^{3}}} = 10.3 m / s .$

Get Instant Solutions

When in doubt download our app. Now available Google Play Store- Doubts App

Recieve an sms with download link

Doubts App

OR

SCAN ME

Doubts App

Doubts App