The velocity profile for a Bingham plastic fluid flowing (under laminar conditions) in a pipe is__________________?

Related Mcqs:

Bernoulli’s equation is not applicable, when the flow is___________________?

A. Irrotational B. Incompressible C. Viscous D. All A., B. & C....

In case of unsteady fluid flow, conditions & flow pattern change with the passage of time at a position in a flow situation. Which of the following is an example of unsteady flow ?

A. Discharge of water by a centrifugal pump being run at a constant rpm B. Water flow in the suction and discharge pipe of a reciprocating pump C. Water discharge from a vertical vessel in which constant level is maintained D. Low velocity flow of a highly viscous liquid through a hydraulically smooth pipe...

Drag is defined as the force exerted by the___________________?

A. Fluid on the solid in a direction opposite to flow B. Fluid on the solid in the direction of flow C. Solid on the fluid D. None of these...

Critical velocity in a pipe flow_________________?

A. Increases as fluid viscosity increases B. Increases as pipe diameter increases C. Independent of fluid density D. None of these...

The effect of solid boundary on the fluid flow is confined to the boundary layer, except for fluids ?

A. Having high viscosities B. Moving at low velocities C. Both A. & B. D. Neither A. nor B....