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A. supersonics, as with projectile 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 forces, and wave making effect, as with ship’s hulls
D. all of the above
E. none of the above
Answer
B. full immersion or completely enclosed flow, as with pipes, aircraft wings, nozzles etc
Submitted by: Engr. Abdul Hafeez