Related Questions

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
__________ are used for the separation of coarse particles from a slurry of fine particles.
A Thickeners
B Classifiers
C Hydrocyclones
D Decanters
__________ 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
For the transfer of solution of thick slurry, the pump used is a __________ pump.
A Reciprocating
B Gear
C Diaphragm
D Centrifugal
Separation of solid particles based on their densities is called
A Sizing
B Sorting
C Clarification
D Dispersion
To ensure that the hogging bending moment at two points of suspension of a pile of length L equals the sagging moment at its centre, the distances of the points of suspension from either end, is
A 0.107 L
B 0.207 L
C 0.307 L
D 0.407 L
For satisfactory working of a sludge digestion unit, the pH range of digested sludge should be maintained as
A 4.5 to 6.0
B 6.5 to 8.0
C 8.5 to 10.0
D 10.5 to 12.0
For normal sludge, the value of sludge index for Indian conditions is
A 0 to 50
B 50 to 150
C 150 to 350
D 350 to 500
The abrasive slurry used in ultrasonic machining contains fine particles of
A Aluminium oxide
B Boron carbide
C Silicon carbide
D Any one of these
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

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