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Mechanical Operations

Mechanical Operations
The process by which fine solids is removed from liquids is termed as

Decantation
Classification
Flocculation
Sedimentation

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Mechanical Operations
Size reduction of ice and gypsum can be accomplished suitably by a __________ crusher.

Gyratory
None of these
Toothed roll
Blake jaw

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Mechanical Operations
__________ is the most commonly used 'filter aid'.

Semi-plastic clay
Vermiculite
Fuller's earth
Diatomaceous earth

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Mechanical Operations
Solid particles of different densities are separated by

Filters
Cyclones
Thickness
Sorting classifier

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Mechanical Operations
Power consumption during turbulent flow in agitation tank is proportional to the __________ of the liquid.

Surface tension
Density
Viscosity
Thermal conductivity

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Mechanical Operations
Vibrating screens are used for handling large tonnages of materials. The vibrating motion is imparted to the screening surface by means of

Either A, B or C
Cams or eccentric shafts
Electromagnets
Unblanced fly wheels

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