Fluid Mechanics

A. less than 2000
B. between 2000 and 4000
C. more than 4000
D. less than 4000
E. none of the above

A. frictional force
B. viscosity
C. surface friction
D. all of the above
E. none of the above

A. smooth and streamline flow
B. laminar flow
C. steady flow
D. turbulent flow
E. highly turbulent flow

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. is steady
B. is one dimensional
C. velocity is uniform at all the cross sections
D. all of the above
E. none of the above

D. keeps on increasing
B. keeps on decreasing
C. remains constant
D. may increase/decrease
E. unpredictable

A. pressure
B. flow
C. velocity
D. dsscharge
E. viscosity

A. head of water (h)
B. h2
C. V/T
D. h2
E. h3/1

A. 0.5
B. 0.4
C. 0.515
D. 0.5
E. none of the above

A. parallel to central axis flow
B. parallel to outer surface of pipe
C. of equal yelocity in a flow
D. along which the pressure drop is uniform
E. which occurs in all flows