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Mechanical Operations

Mechanical Operations
Moore filter is a __________ filter.

Sand
Press
Rotary
Leaf

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Mechanical Operations
Which one is a filter aid?

Calcined lime
None of these
Convas fabric
Diatomaceous earth

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Mechanical Operations
For the transportation of ultrafine particles, the equipment used is a........conveyor.

Belt
Pneumatic
Screw
None of these

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Mechanical Operations
The energy required per unit mass to grind limestone particles of very large size to 100 μm is 12.7 kWh/ton. An estimate (using Bond's law) of the energy to grind the particles from a very large size to 50 μrn is

9.0 kWh/ton
18 kWh/ton
6.35 kWh/ton
25.4 kWh/ton

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Mechanical Operations
Pine oil used in froth floatation technique acts as a/an

Modifier
Frother
Collector
Activator

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Mechanical Operations
Mixing mechanism employed in a pan mixer is by

None of these
Mulling
Kneading
Dispersion

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