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Mechanical Operations

Mechanical Operations
Solid particles of different densities are separated by

Cyclones
Filters
Sorting classifier
Thickness

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Mechanical Operations
Length/diameter ratio of a ball mill is

1
< 1
> 1
1.5

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Mechanical Operations
__________ conveyors are also called scrapers.

Screw
Apron
Both B & C
Helical flight

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Mechanical Operations
Which of the following is a fine crusher?

Dodge jaw crusher
Blake jaw crusher
Toothed roll crusher
Gyratory crusher

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Mechanical Operations
Shell and leaf filter as compared to plate and frame filter

Entails less labor cost
Provides more effective washing
All of these
Facilitates filtration under higher pressure

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Mechanical Operations
Power required to drive a ball mill with a particular ball load is proportional to (where, D = diameter of ball mill )

1/D
D
D2.5
1/D2.5

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