Fluidised beds are formed, when the__________________?

Related Mcqs:

A stream line is___________________?

A. Fixed in space in steady flow B. Always the path of particle C. Drawn normal to the velocity vector at every point D. A line connecting the mid points of flow cross-section...

The excess of the sum of pressure & velocity heads over the vapor pressure of the liquid at the suction is called the___________________?

A. Static submergence B. Net positive suction head (NPSH) C. Cavitation sensitivity D. Priming...

A particle A of diameter 10 microns settles in an oil of specific gravity 0.9 and viscosity 10 poise under Stoke’s law. A particle B with diameter 20 microns settling in the same oil will have a settling velocity ?

A. Same as that of A B. One fourth as that of A C. Twice as that of A D. Four times as that of A...

Nominal size of a pipe is an indication of its ______________ diameter?

A. Inner B. Outer C. Approximate D. None of these...

In case of hydraulically smooth pipe, the resistance to flow depends only on the Reynolds number, whereas for a hydraulically rough pipe, the resistance to flow is governed by the relative roughness. Two pipes are said to have the same hydraulic roughness, when they have equal values of___________________?

A. Relative roughness B. Absolute roughness C. Friction co-efficient for flows at equal Reynold number D. All A., B. & C....