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Mechanical Operations

Mechanical Operations
Horsepower required for a roll crusher is directly proportional to its

Neither A nor B
Capacity
Reduction ratio
Both A & B

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Mechanical Operations
If radius of a batch basket centrifuge is halved & the r.p.m. is doubled, then the

Linear speed of the basket is halved
Linear speed of the basket is doubled
Capacity of centrifuge is increased
Centrifugal force is doubled

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Mechanical Operations
The material is crushed in a gyratory crusher by the action of

Cutting
Compression
Impact
Attrition

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Mechanical Operations
Mesh indicates the number of holes per

Linear inch
Linear foot
Square inch
Square foot

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

Sparkler
Centrifugal
Plate and frame
Rotary drum vaccum

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Mechanical Operations
Which of the following is a coarse crusher?

Toothed roll crusher
Smooth roll crusher
Gyratory crusher
Tube mill

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