PHYSICS MCQS for ATC

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

1. : Over an arbitrary body, the purpose of non-lifting flow is to find ________
(A) A numerical method
(B) A mathematical method
(C) A lifting body
(D) A drag body

2. : Over a given panel why is source strength ‘X’ per unit length constant?
(A) From one panel to the next panel this allows it to vary
(B) From one panel to the next panel this does not allow it to vary
(C) This remains in the same panel
(D) From panel to panel the length will be changed

3. : At the rth control point, which of the following is a normal component of the flow velocity?
(A) Sum of the free stream
(B) Sum of the source line
(C) Sum of the sink line
(D) Sum of the sink line and source

4. : When sin θ = 0, which of the following will be the shape of Rankine oval?
(A) Vertical line
(B) Horizontal line
(C) A point
(D) Curve

5. : The function of stream can be obtained by ____
(A) Stream function of doublet flow and uniform flow sum
(B) Stream function of doublet flow and uniform flow difference
(C) Stream function of source flow and uniform flow sum
(D) Stream function of sink flow and uniform flow sum

6. : Which of the following is flow past a cylinder?
(A) Vortex flow
(B) Source flow
(C) Rankine oval of equal axes
(D) Newton’s ring

7. : When U*y + (−u/2πr) = 0, which of the following will be the shape of Rankine oval?
(A) Open curve
(B) Closed body profile
(C) Straight line
(D) Point

8. : Doublet flow and uniform flow combination gives flow _____
(A) Past a circular cylinder
(B) Past a wedge
(C) Past a plate
(D) Over anybody

9. : By substituting ____ the shape of Rankine oval of equal axes can be found out?
(A) θ = 0
(B) θ = 1
(C) U = 0
(D) U = 1

10. : In the flow over a cylinder, the amount of lift will be generated _________
(A) Infinity
(B) Positive lift
(C) Negative lift
(D) No lift