A. Venturimeter
B. Orificemeter
C. Rotameter
D. Flow nozzle
A. Laminar
B. Unsteady
C. Steady
D. Uniform
A. Shear stress over the cross-section is proportional to the distance from the surface of the pipe
B. Surface of velocity distribution is a paraboloid of revolution, whose volume equals half the
volume of circumscribing cylinder
C. Velocity profile varies hyperbolically and the shear stress remains constant over the crosssection
D. Average flow occurs at a radial distance of 0.5 r from the centre of the pipe (r = pipe radius)
A. Unsteady through unchanged cross-section
B. Steady through changing cross-section
C. Steady and the cross-section is unchanged
D. Unsteady and the cross-section is changed
A. Turbine type impeller
B. Vaned diffusion casing
C. Rotating vaned volute
D. None of these
A. Centroid of the displaced volume of fluid
B. Centre of gravity of a submerged body
C. Centroid of the volume of any floating body
D. None of these
A. Orificemeter
B. Venturimeter
C. Flow nozzle
D. All of them incur the same head loss