Category: Hydraulics and Fluid Mechanics

A. the direction and magnitude of the velocity 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

A. atmospheric pressure
B. surface tension
C. force of adhesion
D. force of cohesion
E. viscosity

A. meta center should be above e.g.
B. center of buoyancy and e.g. must lie on same vertical plane
C. a righting couple should be formed
D. all of the above
E. none of the above

A. above it
B. below it
C. at same point
D. above or below depending on area of body
E. none of the above

A. dissolved air
B. dissolved salt
C. suspended matter
D. all of the above
E. heavy water

A. 1000 N/m3
B. 10000 N/m3
C. 9.81 xlO3 N/m3
D. 9.81 xlO6N/m3
E. 9.81 N/m3

A. 10 kg
B. 100 kg
C. 1000 kg
D. 1 kg
E. 10,000 kg

A. cohesion pressure is negligible
B. cohesion pressure is decreased
C. cohesion pressure is increased
D. there is no cohesion pressure
E. none of the above