Related Questions

Kelly and Chris packed several boxes with books. If Chris packed 60 percent of the total number of boxes, what was the ratio of the number of boxes Kelly packed to the number of boxes Chris packed?
A 1 to 6
B 1 to 4
C 2 to 5
D 2 to 3
Which of the following equations is valid for laminar flow of a fluid through packed bed?
A Fanning equation
B Kozney - Karman equation
C Hagen - Poiseuille equation
D Blake - Plummer equation
For liquid flow through a packed bed, the superficial velocity as compared to average velocity through the channel in the bed is
A More
B Less
C Equal
D Independent of porosity
Fluid flow through a packed bed is represented by the __________ equation.
A Fanning's
B Ergun's
C Hagen-Poiseuille's
D None of these
Fluid flow in a real packed bed can be approximated as __________ model.
A Plug flow
B Dispersion
C Mixed flow
D Tank in series
Pressure drop in a fluidised bed reactor is __________ that in a similar packed bed reactor.
A Less than
B More than
C Same as
D None of these
In which type of fluid flow, the velocity of flow of fluid changes from point to point in the fluid at any instant?
A Rotational
B Unsteady
C Turbulent
D Non-uniform
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
At the same gas flow rate, the pressure drop in a packed tower being irrigated with liquid __________ that in dry packed tower.
A Is greater than
B Is lower than
C Is same as
D Cannot be predicted as data are insufficient
Laminar flow of a Newtonion fluid ceases to exist, when the Reynolds number exceeds
A 4000
B 2100
C 1500
D 3000

Next steps