A. Thickeners
B. Classifiers
C. Hydrocyclones
D. Decanters
Related Mcqs:
- 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 - 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 - Number of particles in a crushed solid sample is given by (where, m = mass of particles in a sample, Vp = volume of one particle, ρ= density of particles) ?
A. m/ρ . Vp
B. m . ρ/Vp
C. m . Vp/ρ
D. Vp/m . ρ - ______________ is used for producing a thick suspension from a thin slurry?
A. Cartridge filter
B. Rotary drum vacuum filter
C. Pressure filter thickener
D. Plate and frame filter press - Separation of particles of various sizes, shapes and densities by allowing them to settle in a fluid is called__________________?
A. Classification
B. Froth floatation
C. Thickening
D. Clarification - Ultra centrifuges are used for the separation of _____________ solid particles?
A. Coarse
B. Fine
C. Colloidal
D. Dissolved - Solid particles separation based on the difference in their flow velocities through fluids is termed as the__________________?
A. Clarification
B. Classification
C. Elutriation
D. Sedimentation - Separation of solid particles based on their densities is called_________________?
A. Sizing
B. Sorting
C. Clarification
D. Dispersion - Sorting classifiers employing differential settling methods for separation of particles make use of the differences in their_________________?
A. Particle sizes
B. Densities
C. Terminal velocities
D. None of these - Sizing of very fine particles of the order of 5 to 10 microns is done by elutriation, which is a _____________ operation?
A. Clarification
B. Sedimentation
C. Flocculation
D. Classification
