A. Circular
B. Egg shaped
C. Rectangular
D. Horse shoe shaped
A. 0.4 to 0.5 m
B. 0.5 to 0.7 m
C. 0.7 to 0.9 m
D. 0.9 to 1.20 m
A. 1 mm
B. 5 mm
C. 10 mm
D. 20 mm
E. 30 mm
A. 10 days
B. 20 days
C. 30 days
D. 60 days
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
A. at the centroid
B. above the centroid
C. below the centroid
D. at metacentre
E. at center of pressure
A. water surface
B. center of pressure
C. center of gravity
D. center of buoyancy
E. none of the above