Related Questions

Separation of solid particles based on their densities is called
A Sizing
B Sorting
C Clarification
D Dispersion
The flow in which the particles of a fluid attain such velocities that varies from point to point in magnitude and direction as well as from instant to instant, is known as
A One dimensional flow
B Uniform flow
C Steady flow
D Turbulent flow
In counter current flow heat exchanger, the logarithmic temperature difference between the fluids is ________ as compared to parallel flow heat exchanger.
A Same
B Less
C Greater
D None of these
__________ are used for the separation of coarse particles from a slurry of fine particles.
A Thickeners
B Classifiers
C Hydrocyclones
D Decanters
Separation of solid suspended in liquid into a supernatant clear liquid and a denser slurry employs a process termed as the
A Coagulation
B Flocculation
C Sedimentation
D Clarification
Flow rate of those fluids which are insensitive to changes in their density, viscosity or flow velocity profile can be best measured by a
A Magnetic flowmeter
B Pitot tube
C Flow nozzle type flowmeter
D Turbine flowmeter
Separation of a suspension or slurry into a supernatant clear liquid (free from particles) and a thick sludge containing a high concentration of solid is called
A Classification
B Sedimentation
C Clarification
D Decantation
Ultra centrifuges are used for the separation of __________ solid particles.
A Coarse
B Fine
C Colloidal
D Dissolved
The effect of solid boundary on the fluid flow is confined to the boundary layer, except for fluids
A Having high viscosities
B Moving at low velocities
C Both A and B
D Neither A nor B
In classification, particles are said to be equal settling, if they have the same terminal velocities in the
A Different fluids
B Same fluid
C Same field of force
D Both B and C

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