If velocity of flow is $4 \,m / s$, then velocity head is .........$m$
Easy
Download our app for free and get started
(d)
Velocity head is given as $\frac{ v ^2}{2 g }$
so putting the velocity as $v =4 m / s$ we get the velocity head as $\frac{16}{2 \times 10}=0.8$ meter
Download our appand get started for free
Experience the future of education. Simply download our apps or reach out to us for more information. Let's shape the future of learning together!No signup needed.*
Similar Questions
- 1Acylindrical vessel is filled with a liquid up to height H.A small hole is made in the vessel at a distance $y$ below the liquid surface as shown in figure. The liquid emerging from the hole strike the ground at distance $x$View Solution
- 2View SolutionFig. represents vertical sections of four wings moving horizontally in air. In which case the force is upwards
- 3A tiny spherical oil drop carrying a net charge $q$ is balanced in still air with a vertical uniform electric field of strength $\frac{81 \pi}{7} \times 10^5 \mathrm{Vm}^{-1}$. When the field is switched off, the drop is observed to fall with terminal velocity $2 \times 10^{-3} \mathrm{~ms}^{-1}$. Given $\mathrm{g}=9.8 \mathrm{~ms}^{-2}$, viscosity of the air $=1.8 \times 10^{-5} \mathrm{Ns} \mathrm{m}^{-2}$ and the density of oil $=$ $900 \mathrm{~kg} \mathrm{~m}^{-3}$, the magnitude of $\mathrm{q}$ isView Solution
- 4Figure shows a siphon. Choose the wrong statement:View Solution
($P_0$ = atmospheric pressure)
- 5A liquid drop of mass $m$ and radius $r$ is falling from great height. Its velocity is proportional to ............View Solution
- 6A Newtonian fluid fills the clearance between a shaft and a sleeve. When a force of $800$ $N$ is applied to the shaft, parallel to the sleeve, the shaft attains a speed of $1.5$ $cm/sec$. If a force of $2.4$ $kN$ is applied instead, the shaft would move with a speed of ......... $ cm/sec$View Solution
- 7A thin uniform cylindrical shell, closed at both ends, is partially filled with water. It is floating vertically in water in half-submerged state. If $\rho_0$ is the relative density of the material of the shell with respect to water, then the correct statement is that the shell isView Solution
- 8Air streams horizontally past an air plane. The speed over the top surface is $60 \,m / s$ and that under the bottom surface is $45 \,m / s$. The density of air is $1.293 \,kg / m ^3$, then the difference in pressure is ....... $N / m ^2$View Solution
- 9Two copper vessels $A$ and $B$ have the same base area but of different shapes. $A$ takes twice the volume of water as that $B$ requires to fill upto a particular common height. Then the correct statement among the following isView Solution
- 10The ratio of masses of a cubical block of wood and a chunk of concrete is $\frac{3}{5}$ so that the combination just floats with entire volume submerged under water. If specific gravity of wood is $0.5$, then specific gravity of concrete will beView Solution