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Mechanical Operations

Mechanical Operations
Traces of solids are removed from, liquid in a

Sparkler filter
Rotary vacuum filter
Clarifier
Classifier

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Mechanical Operations
Which of the following size reduction equipments employs mainly attrition for ultrafine grinding?

Micronizer
All of these
Fluid energy mill
Jet mills

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Mechanical Operations
For achieving maximum capacity of the ball mill, the ball charge should be equal to about __________ percent of the ball mill volume.

10
50
25
75

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Mechanical Operations
Mass flow of granular solid (M) through a circular opening of dia, D follows

M ∝ D³
M ∝ D²
M ∝ √D
M ∝ D

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Mechanical Operations
With increase in the capacity of screens, the screen effectiveness

Increases
Decreases exponentially
Remains unchanged
Decreases

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Mechanical Operations
Gizzlies are used for separating __________ solids.

Coarse
Fine
Any size
None of these

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