Slugging in a fluidised bed can be avoided by using_____________________?

Byadmin March 10, 2019August 27, 2021

Slugging in a fluidised bed can be avoided by using_____________________?

A. Tall narrow vessel
B. Deep bed of solids
C. Shallow beds of solids and proper choice of particle size
D. Very large particles

Fluid Mechanics for Chemical

For the laminar flow of a fluid in a circular pipe of radius R, the Hagen-Poisseule equation predicts the volumetric flow rate to be proportional to____________________?

For the laminar flow of a fluid in a circular pipe of radius R, the Hagen-Poisseule equation predicts the volumetric flow rate to be proportional to____________________?

A. R
B. R2
C. R4
D. R0.5

Read More For the laminar flow of a fluid in a circular pipe of radius R, the Hagen-Poisseule equation predicts the volumetric flow rate to be proportional to____________________?
Fluid Mechanics for Chemical

A floating/submerged body is always stable, if its centre of gravity___________________?

A floating/submerged body is always stable, if its centre of gravity___________________?

A. Lies above its centre of buoyancy
B. And centre of buoyancy coincide
C. Lies below its centre of buoyancy
D. Lies above its metacentre

Read More A floating/submerged body is always stable, if its centre of gravity___________________?
Fluid Mechanics for Chemical

The resistance wire used in a hot wire anemometer for conducting electrical current is made of__________________?

The resistance wire used in a hot wire anemometer for conducting electrical current is made of__________________?

A. Copper
B. Tungsten
C. Chromium
D. Aluminium

Read More The resistance wire used in a hot wire anemometer for conducting electrical current is made of__________________?
Fluid Mechanics for Chemical

A pipe has a porous section of length L as shown in the figure. Velocity at the start of this section of V0. If fluid leaks into the pipe through the porous section at a volumetric rate per unit area q(x/L)2, what will be axial velocity in the pipe at any „x‟? Assume incompressible one dimensional flow i.e., no gradients in the radial direction ?

A pipe has a porous section of length L as shown in the figure. Velocity at the start of this section of V0. If fluid leaks into the pipe through the porous section at a volumetric rate per unit area q(x/L)2, what will be axial velocity in the pipe at any „x‟? Assume incompressible one dimensional flow i.e., no gradients in the radial direction ?

A. VX = V0 + q (x3/L2D)
B. VX = V0 + ⅓q (x3/L2)
C. VX = V0 + 2q (x2/LD)
D. VX = V0 + (4/3) q (x3/L2D)

Read More A pipe has a porous section of length L as shown in the figure. Velocity at the start of this section of V0. If fluid leaks into the pipe through the porous section at a volumetric rate per unit area q(x/L)2, what will be axial velocity in the pipe at any „x‟? Assume incompressible one dimensional flow i.e., no gradients in the radial direction ?
Fluid Mechanics for Chemical

Horsepower requirement for given pump capacity depends upon the_______________?

Horsepower requirement for given pump capacity depends upon the_______________?

A. Specific gravity of the liquid
B. Suction lift
C. Discharge head
D. All A., B. and C.

Read More Horsepower requirement for given pump capacity depends upon the_______________?
Fluid Mechanics for Chemical

Pressure drop in packed bed for turbulent flow is given by the ______________ equation?

Pressure drop in packed bed for turbulent flow is given by the ______________ equation?

A. Kozeny-Carman
B. Blake-Plummer
C. Leva’s
D. Hagen-Poiseuille’s

Read More Pressure drop in packed bed for turbulent flow is given by the ______________ equation?

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