Source Flow MCQs – Physics

By: Prof. Dr. Fazal Rehman | Last updated: May 20, 2025

1. : Which of the following is used to define stream function?
(A) 2D flow
(B) 3D flow
(C) 1D flow
(D) Multi-dimensional flow

2. : Which of the following is the opposite case of source flow?
(A) Sink flow
(B) Doublet flow
(C) Source flow
(D) Source-sink flow

3. : What is the origin called?
(A) Singular point
(B) Multiple point
(C) Sink point
(D) Source point

4. : What is the tangential velocity component in the source flow?
(A) 0
(B) 1
(C) Not defined
(D) Infinity

5. : The scalar function of the time and space is ____.
(A) Velocity
(B) Velocity potential function
(C) Velocity vector
(D) Pressure

6. : What is the velocity component along the z-direction for an irrotational flow?
(A) 0
(B) 1
(C) Infinity
(D) -1

7. : At right angles to a particular direction, ____ gives the velocity component.
(A) Velocity
(B) Velocity vector
(C) Stream function
(D) Pressure line

8. : What is the flow when the velocity potential exists?
(A) Rotational
(B) Irrotational
(C) Laminar
(D) Turbulent

9. : What is the flow called in which the streamline is directed away from the origin?
(A) Sink flow
(B) Doublet flow
(C) Source flow
(D) Source-sink flow