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Fluid Mechanics for Chemical

For flow of fluids through packed bed, the superficial velocity is_________________?

For flow of fluids through packed bed, the superficial velocity is_________________?

A. Less than the average velocity through channels
B. More than the average velocity through channels
C. Dependent on the pressure drop across the bed
D. Same as the average velocity through channels

For flow of fluids through packed bed, the superficial velocity is_________________? Read More »

Fluid Mechanics for Chemical

Various efficiencies of a centrifugal pump are related as (where, εm = mechanical efficiency εv = volumetric efficiency. εma = manometric efficiency εo = overall efficiency) ?

Various efficiencies of a centrifugal pump are related as (where, εm = mechanical efficiency εv = volumetric efficiency. εma = manometric efficiency εo = overall efficiency) ?

A. ηma × ηm × ηv = ηo
B. ηm = ηv . ηma
C. ηma = ηm × ηv
D. ηv = ηm × ηma

Various efficiencies of a centrifugal pump are related as (where, εm = mechanical efficiency εv = volumetric efficiency. εma = manometric efficiency εo = overall efficiency) ? Read More »

Fluid Mechanics for Chemical

The specific speed of a pump is defined as the speed of a unit of such a size, that it__________________?

The specific speed of a pump is defined as the speed of a unit of such a size, that it__________________?

A. Delivers unit discharge at unit head
B. Requires unit power for unit head
C. Delivers unit discharge at unit power
D. None of these

The specific speed of a pump is defined as the speed of a unit of such a size, that it__________________? Read More »

Fluid Mechanics for Chemical

The phenomenon occuring during pumping of a liquid solution containing dissolved gases, which may come out of the solution giving rise to gas pockets, is termed as_______________?

The phenomenon occuring during pumg of a liquid solution containing dissolved gases, which may come out of the solution giving rise to gas pockets, is termed as_______________?

A. Evaporation
B. Cavitation
C. Sublimation
D. Stripg

The phenomenon occuring during pumping of a liquid solution containing dissolved gases, which may come out of the solution giving rise to gas pockets, is termed as_______________? Read More »

Fluid Mechanics for Chemical