Hydraulics and Fluid Mechanics in ME
The viscosity of a gas

is independent of temperature
decreases with increase in temperature
is independent of pressure for very high pressure intensities
increases with increase in temperature

ANSWER DOWNLOAD EXAMIANS APP

Hydraulics and Fluid Mechanics in ME
Froude number is significant in

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

ANSWER DOWNLOAD EXAMIANS APP