. How vortex filament are arrange in the vortex sheet?

a) Side by side

b) Front and back

c) Up and down

d) Left and right

2. Is vortex sheet is a term used in fluid mechanics?

a) False

b) True

3. Is vortex sheet is unstable at high Reynolds number?

a) True

b) False

4. Is z=x+iy is the vortex sheet equation for complex coordinate?

a) False

b) True

5. At what point circulation between two material points in the sheet remains conserved.

a) Zero

b) One

c) Greater than zero

d) Less than zero

6. Is flat vortex sheet with periodic boundaries can be used in high Reynolds number?

a) True

b) False

7. Is zero is the initial condition for a flat vortex sheet?

a) True

b) False

8. Is vortex sheet can go beyond the critical time?

a) True

b) False

9. Is viscosity is the smoothing parameter on the real fluid?

a) True

b) False