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
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
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
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
Which of the following equations applies to the fluid flow through a packed bed for very large Reynolds number?
A Fanning equation
B Blake-Pllummer equation
C Hagen-Poiseulle equation
D Kozney-Karman equation
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
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
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
Pressure drop in packed bed for turbulent flow is given by the __________ equation.
A Kozney-Karman
B Blake-Plummer
C Leva's
D Hagen-Poiseulle's
Pressure drop in a packed bed for laminar flow is given by the __________ equation.
A Kozney-Karman
B Blake-Plummer
C Leva's
D Fanning friction factor

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