Related Questions

In which type of fluid flow, the velocity of flow of fluid changes from point to point in the fluid at any instant?
A Rotational
B Unsteady
C Turbulent
D Non-uniform
One dimensional flow implies
A Flow in a straight line
B Steady uniform flow
C Unsteady uniform flow
D A flow which does not account for changes in transverse direction
For one dimensional flow of an incompressible fluid in unsteady state in x-direction, the continuity equation is given by
A $$\frac{{\partial {\text{u}}}}{{\partial {\text{x}}}} = 0$$
B $$\frac{{\partial \left( {\rho {\text{u}}} \right)}}{{\partial {\text{x}}}} = 0$$
C $$\frac{{\partial {\text{u}}}}{{\partial {\text{x}}}} = - \frac{{\partial \rho }}{{\partial {\text{t}}}}$$
D $$\frac{{\partial \rho }}{{\partial {\text{t}}}} = 0$$
Which of the following exemplifies a three dimensional fluid flow ?
A Fluid flow at the inlet to a nozzle
B Fluid flow between parallel plates
C Viscous fluid flow between converging plates
D None of these
When the load on the engine increases, it becomes necessary to increase the supply of working fluid and when the load decreases, less working fluid is required. The supply of the working fluid to the engine is controlled by a
A D-slide valve
B governor
C Meyer’s expansion valve
D flywheel
If cohesion between molecules of a fluid is greater than adhesion between fluid and glass, then the free level of fluid in a dipped glass tube will be
A Higher than the surface of liquid
B The same as the surface of liquid
C Lower than the surface of liquid
D Unpredictable
A flow in which the volume of a fluid and its density does not change during the flow is called _________ flow.
A Incompressible
B Compressible
C Viscous
D None of these
Transition from laminar flow to turbulent flow in fluid flow through a pipe does not depend upon the
A Length of the pipe
B Diameter of the pipe
C Density of the fluid
D Velocity of the fluid
In one dimensional flow, the flow
A Is steady and uniform
B Takes place in straight line
C Takes place in curve
D Takes place in one direction
Existence of velocity potential implies that the fluid is
A Irrotational
B Ideal
C Compressible
D In continuum

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