Related Questions

Separation of solid particles based on their densities is called
A Sizing
B Sorting
C Clarification
D Dispersion
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
Two circular discs of same weight and thickness are made from metals having different densities. Which disc will have the larger rotational inertia about its central axis?
A Disc with larger density
B Disc with smaller density
C Both discs will have same rotational inertia
D None of the above
Tabling process used for separating two materials of different densities by passing the dilute pulp over a table/deck, which is inclined from the horizontal surface at an angle of about
A 1 to 2°
B 2 to 5°
C 5 to 10°
D 10 to 15°
For the non catalytic reaction of particles with surrounding fluid, the same needed to achive the same fractional conversion for particles of different unchanging sizes is proportional to the particle diameter, when the __________ is the controlling resistance.
A Film diffusion
B Diffusion through ash layer
C Chemical reaction
D Either A, B or C
For the non-catalytic reaction of particles with surrounding fluid, the time needed to achieve the same fractional conversion for particles of different but unchanging sizes is proportional to the square of particle diameter, when the __________ is the controlling resistance.
A Film diffusion
B Diffusion through ash layer
C Chemical reaction
D Either A, B or C
The usual values of maximum flux densities for distribution transformers using hot rolled silicon steel are
A 0.5 to 0.8 Wb/m2
B 0.8 to 1.0 Wb/m2
C 1.1 to 1.35 Wb/m2
D 1.4 to 1.8 Wb/m2
An ice cream parlour makes an ice cream using one of six different flavors of ice cream, one of three different flavor of syrup, and one of four different toppings. what is the total number of different ice creams that this ice cream paolour can make?
A 72
B 36
C 30
D 26
__________ are used for the separation of coarse particles from a slurry of fine particles.
A Thickeners
B Classifiers
C Hydrocyclones
D Decanters
An emf of the order of mV is generated when two solutions of different hydrogen ion concentration are separated by a thin glass wall. This is the working principle of a
A PH meter
B Polarimeter
C Chromatograph
D Polarograph

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