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This quiz contains multiple-choice problems on fluid flow types and methods, continuity equation and its dimensions, flow lines types, velocity and acceleration, vortex flow, and important potential and superimposed flow cases.
What will be the shape of the pathline for one-dimensional flow?
Straight line
Parabolic
Hyperbolic
Elliptical
The velocity of a point in a flow is
Along the streamline
Tangential to the streamline
Along the pathline
Tangential to the pathline
If the streamlines of the particles in a flow are parallel to each other, what type of flow can it be?
Steady
Unsteady
Uniform
Non-uniform
The path taken by the smoke coming out of a chimney (in concentric circles) represents a
Path line
Stream line
Streak line
Stream tube
One characteristic of an ideal fluid is
Incompressible
Inviscid
Uniform fluid velocity
Shear stress having a constant, non-zero value
Which of the following is not a case of ideal fluid flow?
Forced vortex flow
Uniform flow
Sink flow
Superimposed flow
Source flow is flow coming from a point and moving out circularly. True or false?
True
False
The sink flow is flow in which fluid moves radially inwards towards a point where it disappears at a variable rate. True or false?
True
False
The pattern for streamlines and equipotential lines is different for source and sink flows. True or false?
True
False
In free vortex flow, the flow is linear in nature. True or false?
True
False
What is the nature of streamlines in free vortex flow?
Concentric
Non-concentric
Linear
None of the above
For source flow, the radial velocity increases as we move radially outward. True or false?
True
False
When is air assumed to be incompressible?
At low speed
At high speed
Independent of its speed
None of the above
What is the maximum number of times the pathlines of two particles can intersect in one-dimensional flow?
0
1
2
Infinite
The streamlines of particles in a flow are recorded. If the streamlined distribution remains the same even after some time, what type of flow must it be?
Steady
Unsteady
Uniform
Non-uniform
