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Mechanical Operations

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

Plate and frame
Sparkler
Centrifugal
Rotary drum vaccum

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Mechanical Operations
The term 'angle of nip' is concerned with the operation of the __________ crushers.

None of these
Gyratory
Roll
Jaw

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Mechanical Operations
In case of a hammer crusher, the

Rotor shaft carrying hammers can be vertical or horizontal
Minimum product size is 3 mm
Feed may be highly abrasive (Moh's scale >5)
Maximum feed size may be 50 mm

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Mechanical Operations
Sauter mean diameter is the same as the __________ mean diameter.

Volume-surface
Geometric
Arithmetic
Mass

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Mechanical Operations
In bag filters, filter fabrics are never made of

Polyester fibres
Cotton fibres
Nylon fibres
Metallic wire woven mesh

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Mechanical Operations
Which of the following achieves the least reduction ratio for a given feed size?

Roll crusher
Jaw crusher
Cone crusher
Gyratory crusher

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