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Mechanical Operations

Mechanical Operations
Pick out the material having minimum Rittinger's number.

Galena
Quartz
Calcite
Pyrite

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Mechanical Operations
Solid particles of different densities are separated by

Filters
Cyclones
Sorting classifier
Thickness

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Mechanical Operations
Sulphuric acid mist is arrested by using a __________ scrubber.

Packed wet
Hollow wet
Venturi
Co-current

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Mechanical Operations
For removal of very small amounts of precipitate from large volume of water, the most suitable filter is the __________ filter.

Shell & leaf
Plate & frame
Rotary vacuum
Sand

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Mechanical Operations
For benefication of iron ore, the most commonly used method is

None of these
Froth floatation
Flocculation
Jigging & tabling

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Mechanical Operations
Screen efficiency is

Recovery/rejection
Rejection
None of these
Recovery

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