Umf is the minimum fluidisation velocity for a bed of particles. An increase in the superficial gas velocity from 2 Umf to 2.5 Umf results in (all velocities are smaller than the entrainment velocity of the particles) no change in the_______________?

Related Mcqs:

Fanning friction factor equation applies to the _____________ fluid flow?

A. Non-isothermal condition of B. Compressible C. Both A. and B. D. Neither A. nor B....

Pick out the wrong statement?

A. A fluid mass is free from shearing forces, when it is made to rotate with a uniform velocity B. Newton’s law of viscosity is not applicable to the turbulent flow of fluid with linear velocity distribution C. Laminar flow of viscous liquids is involved in the lubrication of various types of bearings D. Rise … Pick out the wrong statement?Read More...

The continuity equation of fluid mechanics utilises the principle of conservation of _________________?

A. Momentum B. Mass C. Energy D. Both B. & C....

Boundary layer thickness in laminar flow over a flat plate increases as(where, d = distance from the leading edge.) ?

A. √d B. d1/3 C. d2 D. d2/3...

In case of turbulent flow of a Newtonian fluid in a straight pipe, the maximum velocity is equal to (where, Vavg = average fluid velocity)?

A. Vavg B. 1.2 Vavg C. 1.5 Vavg D. 1.8 Vavg...