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Mechanical Operations

Mechanical Operations
Which is a secondary crusher for a hard & tough stone?

Toothed roll crusher
Jaw crusher
Impact crusher
Cone crusher

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Mechanical Operations
In a ball mill, the volume occupied by the balls (when the mill is stopped) is about __________ percent of the volume of the mill.

50
70
35
85

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Mechanical Operations
Cake resistance is

Important in the beginning of filtration
Decreased with the time of filtration
None of these
Independent of pressure drop

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Mechanical Operations
In case of a plate and frame filter press, filtrate flow through the cake follows __________ flow.

Turbulent
Laminar
Plug
None of these

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Mechanical Operations
The process by which fine solids is removed from liquids is termed as

Decantation
Flocculation
Sedimentation
Classification

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Mechanical Operations
Mixing of plastic solids is generally facilitated by

Kneading
None of these
Mastication
Dispersion

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