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Mechanical Operations

Mechanical Operations
The grinding in a hammer crusher takes place due to the

Impact
Attrition
Neither A nor B
Both A & B

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Mechanical Operations
Separation of solid particles based on their densities is called

Clarification
Sorting
Dispersion
Sizing

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Mechanical Operations
__________ are used for the separation of coarse particles from a slurry of fine particles.

Hydrocyclones
Classifiers
Thickeners
Decanters

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Mechanical Operations
__________ mills fall in the category of tumbling mills,

All of these
Compartment
Ball and pebble
Rod and tube

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Mechanical Operations
Driving force in case of filtration by a centrifuge is the

Speed of the centrifuge
Narrow diameter of the vessel
Centrifugal pressure exerted by the liquid
Formation of highly porous cake

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Mechanical Operations
In a mixer, the quantity, (v. L/D) is termed as __________ number(where, v = longitudinal velocity of material, L = length of the mixer, D = diffusivity in axial mixing).

Brinkman
Weber
Peclet
Schmidt

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