Vortex Sheet MCQs of Aerodynamics Physics

In the sheet circulation between two material points remains conserved on which point?
(A). Zero
(B). One
(C). Greater than zero
(D). Less than zero
(E). None of these MCQ Answer: a
With periodic boundaries can flat vortex sheets be used in high Reynolds numbers?
(A). True
(B). False
(C). Partially True
In the vortex sheet how the vortex filament are organized?
(A). Side by side
(B). Front and back
(C). Up and down
(D). Left and right

(E). None of these
MCQ Answer: a
A term used in fluid mechanics Is vortex sheet.
(A). False
(B). True
(C). Partially True
MCQ Answer: b
For a flat vortex sheet zero is the initial condition.
(A). True
(B). False
(C). Partially True
MCQ Answer: a
Beyond the critical time vortex sheet can go.
(A). True
(B). False
(C). Partially True
MCQ Answer: b
At high Reynolds number the vortex sheet is unstable.
(A). True
(B). False
(C). Partially True
MCQ Answer: a
The growth of round-off errors can be controlled by point vortices.
(A). True
(B). False
(C). Partially True
MCQ Answer: a
Vortex method’s purpose is to______
(A). Reduce the dimensionality of the aerodynamic model
(B). Increase the dimensionality of the aerodynamic model
(C). Reduce the lift of the aerodynamic model
(D). Increase the lift of the aerodynamic model
(E). None of these
MCQ Answer: a
On the real fluid viscosity is the smoothing parameter?
(A). True
(B). False
(C). Partially True
MCQ Answer: a
For the complex coordinate z=x+iy is the vortex sheet equation.
(A). False
(B). True
(C). Partially True
MCQ Answer: b