Q. Mach number is significant in_____________________?
a. supersonics, as with projectiles and jet propulsion
b. full immersion or completely enclosed flow, as with pipes, aircraft wings, nozzles etc
c. simultaneous motion through two fluids where there is a surface of dis-continuity, gravity force, and wave making effects, as with ship’s hulls
d. all of fhe above
e. none of the above
No explanation is available for this question!
