Hydraulics and Fluid Mechanics in ME
The motion of air mass in a tornado is a

forced vortex at center and free vortex outside
free vortex at center and forced vortex outside
forced vortex motion
free vortex motion

ANSWER DOWNLOAD EXAMIANS APP

Hydraulics and Fluid Mechanics in ME
Froude number is significant in

Simultaneous motion through two fluids where there is a surface of discontinuity, gravity forces, and wave making effect, as with ship's hulls
All of the listed here
Supersonics, as with projectile and jet propulsion
Full immersion or completely enclosed flow, as with pipes, aircraft wings, nozzles etc.

ANSWER DOWNLOAD EXAMIANS APP