Motion of a liquid in a volute casing of a centrifugal pump is an example of
A. Rotational flow
B. Radial
C. Forced spiral vortex flow
D. Spiral vortex flow
Answer: Option D
A. Rotational flow
B. Radial
C. Forced spiral vortex flow
D. Spiral vortex flow
Answer: Option D
A flow in which the quantity of liquid flowing per second is constant, is called __________ flow.
A. Steady
B. Streamline
C. Turbulent
D. Unsteady
A hydraulic ram is a device used to
A. Store the energy of water
B. Increase the pressure of water
C. To lift water from deep wells
D. To lift small quantity of water to a greater height when a large quantity of water is available at a smaller height
A. The weight of the body
B. More than the weight of the body
C. Less than the weight of the body
D. Weight of the fluid displaced by the body
There are two types of vortices: free vortices and forced vortices. A free vortex is formed, for example, when water flows out of a vessel through a central hole in the base. ... A forced vortex, on the other hand, is caused by external forces on the fluid.
Please explain it