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Mechanical Operations

Mechanical Operations
Which of the following is a fine crusher?

Toothed roll crusher
Blake jaw crusher
Gyratory crusher
Dodge jaw crusher

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Mechanical Operations
Trommels employ __________ for screening of materials.

Punched plate
Woven wire screen
None of these
Fibrous cloth

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Mechanical Operations
For separation of sugar solution from settled out mud, we use a __________ filter.

Rotary drum vaccum
Sparkler
Plate and frame
Centrifugal

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Mechanical Operations
To remove very small amount of tiny solid impurities from liquid, we use a

Pressure filter
Coagulant
Centrifugal filter
Vacuum filter

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Mechanical Operations
Highly viscous liquids & pastes are agitated by

None of these
Multiple blade paddles
Propellers
Turbine agitators

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Mechanical Operations
Optimum ratio of operating speed to critical speed of a trommel is

1.5-2.5
0.33-0.45
0.5-2
1.33-1.45

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