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Mechanical Operations

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

25
85
30
3

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Mechanical Operations
Filtration should be stopped in a filter press, if the

Cake becomes very dense
Liquor stops flowing out to the discharge
Filtration pressure rises suddenly
Both A & B

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Mechanical Operations
__________ conveyors are also called scrapers.

Apron
Screw
Both B & C
Helical flight

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Mechanical Operations
__________ is a cohesive solid.

None of these
Wet clay
Sand
Wheat

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Mechanical Operations
The capacity of a gyratory crusher is __________ that of a jaw crusher with the same gape, handling the same feed & for the same product size range.

5 times
2.5 times
Same as
10 times

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Mechanical Operations
The optimum moisture content in solids to be crushed/ground ranges from __________ percent.

10 to 15
15 to 20
8 to 10
3 to 4

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