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Mechanical Operations

Mechanical Operations
Short distance transportation of grain, gravel, sand, ash, asphalt etc. is done by using a __________ conveyor.

Flight
Ribbon
Screw
Slat or drag

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Mechanical Operations
To remove dirt from the flowing fluid, we use a

Coagulant
Strains
Gravity settler
Clarifier

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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.

Curved
Either A or B
Ribbed
Plane

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Mechanical Operations
Size reduction of fibrous materials like wood, asbestos, mica etc. is done by a disintegrator exemplified by the

Bradford's breaker
Cage mill
Stamp mill
Blake jaw crusher

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Mechanical Operations
Tabling process used for separating two materials of different densities by passing the dilute pulp over a table/deck, which is inclined from the horizontal surface at an angle of about

1 to 2°
5 to 10°
2 to 5°
10 to 15°

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Mechanical Operations
Wet grinding in a revolving mill __________ as compared to dry grinding.

Complicates handling of the product
Requires more energy
Increases capacity
Gives less wear on chamber walls

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