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Mechanical Operations

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

Sedimentation
Decantation
Flocculation
Classification

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Mechanical Operations
For spheres, the specific surface shape factor is given by

AD/V
√(AD/V)
D/V
A/V

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Mechanical Operations
The main differentiation factor between tube mill and ball mill is the

Final product size
Size of the grinding media
Operating speed
Length to diameter ratio

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Mechanical Operations
As per Taggart's formula, the capacity (kg/hr) of Jaw & Gyratory crushers (for gapes of 10 to 60 cms) is equal to (where, L = Length of feed opening, cms S = Maximum width of discharge opening, cms )

LS
250 LS
93 LS
√LS

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Mechanical Operations
For classification of potable (drinking) water, we use a __________ filter.

Rotary vacuum
Plate and frame
Vacuum leaf
Gravity sand

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Mechanical Operations
A widely used size reduction equipment for __________ is Bradford breaker.

Coal
Wheat
Talc
Iron core

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