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Mechanical Operations

Mechanical Operations
Ore concentration by jigging is based on the difference in the __________ of the particles.

Wettability
Specific gravities
Shape
None of these

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Mechanical Operations
For separation of sugar solution from settled out mud, we use a __________ filter.

Rotary drum vaccum
Plate and frame
Sparkler
Centrifugal

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Mechanical Operations
Screen efficiency is

Recovery
Recovery/rejection
Rejection
None of these

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Mechanical Operations
Feed size of ≥ 25 cms can be accepted by

Fluid energy mill
Ball mill
Jaw crusher
Rod mill

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Mechanical Operations
Dispersion of a gas through liquid is done by using a

Kneader
None of these
Sparger
Masticator

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Mechanical Operations
The inlet pressure in a constant rate filtration

Remains constant
Decreases gradually
None of these
Increases continuously

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