Category: Hydraulics and Fluid Mechanics

A. the weight of the body
B. more than the weight of the body
C. less than the weight of the body
D. weight of the fluid displaced by the body
E. weight of body plus the weight of the fluid displaced hy the body

A. has constant viscosity
B. has zero viscosity
C. is incompressible
D. is of theoretical interest
E. none of the above

A. adhesion
B. cohesion
C. surface tension
D. viscosity
E. compressibility

A. Venturimeter
B. Orifice plate
C. hot wire anemometer
D. rotameter
E. pitot tube

A. Newton’s law of motion
B. Newton’s law of viscosity
C. Pascal’ law
D. Continuity equation
E. Boundary layer theory

A. resistance to shear stress is small
B. fluid pressure is zero
C. linear deformation is small
D. only normal stresses can exist
E. viscosity is nil

A. surface tension
B. adhesion
C. cohesion
D. viscosity
E. all of the above

A. one dimensional flow
B. uniform flow
C. steady flow
D. turbulent flow
E. streamline 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. the direction and magnitude of the veiocity at all points are identical
B. the velocity of successive fluid par-ticles, at any point, is the same at suc-cessive periods of time
C. the magnitude and direction of the velocity do not change from point to point in the fluid
D. the fluid particles move in plane or parallel planes and the streamline pat-terns are identical in each plane
E. velocity, depth, pressure etc. change from point to point in the fluid flow