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Mechanical Operations

Mechanical Operations
__________ mill is normally used for grinding of talc.

Pebble
Tube
Ring-roll
Compartment

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Mechanical Operations
As particle size is reduced

None of these
Screening becomes progressively more difficult
Screening becomes progressively easier
Capacity and effectiveness of the screen is increased

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Mechanical Operations
Screen capacity is expressed in terms of

Tons/ft²
Tons/hr
Tons/hr-ft²
Both A & B

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Mechanical Operations
Percentage of drum submerged in the slurry in case of rotary drum filter is

3
25
30
85

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Mechanical Operations
Introduction of slurry in a plate and frame filter press is done through a plate in each frame. The plate of this filter has a __________ surface.

Either A or B
Plane
Ribbed
Curved

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Mechanical Operations
Grindability of a material does not depend upon its

Elasticity
Toughness
Hardness
Size

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