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Mechanical Operations

Mechanical Operations
Which of the following is not a cutting machine?

Tube mills
Dicers
Slitters
Knife cutters

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Mechanical Operations
Size reduction of fibrous materials like wood, asbestos, mica etc. is done by a disintegrator exemplified by the

Cage mill
Blake jaw crusher
Bradford's breaker
Stamp mill

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Mechanical Operations
__________ balls capable of grinding the feed in a ball mill gives the maximum efficiency.

Maximum size
Minimum size
Cast iron
Elliptical

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Mechanical Operations
Choke crushing (in case of a Jaw crusher) compared to free crushing

Consumes less power
Both A and C
Consumes more power
Results in increased capacity

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Mechanical Operations
Which of the following comes in the category of primary crusher for hard and tough stone?

None of these
Jaw crusher
Cone crusher
Gyratory crusher

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Mechanical Operations
The filter medium resistance is controlled by

Pressure drop alone
Cake thickness
Both pressure drop and flow rate
Flow rate alone

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