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Mechanical Operations

Mechanical Operations
Moore filter is a __________ filter.

Rotary
Leaf
Press
Sand

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Mechanical Operations
Solid particles of different densities are separated by

Cyclones
Thickness
Sorting classifier
Filters

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Mechanical Operations
Close circuit grinding by a ball mill with air sweeping employs a

Neither A nor B
Both A & B
Classifier
Cyclone separator between mill & classifier

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Mechanical Operations
The equivalent diameter of channel of a constant non-circular cross-section of 3 cm by 6 cm will be __________ cms.

12
20
8
2

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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
Which one is a filter aid?

Diatomaceous earth
Convas fabric
Calcined lime
None of these

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