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Mechanical Operations

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

Neither A nor B
Both A & B
Capacity
Reduction ratio

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Mechanical Operations
Vertical transportation of materials can be done by a/an

Both B & C
Pneumatic conveyor
Bucket elevator
Apron conveyor

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Mechanical Operations
A cottrel precipitator makes use of the __________ for dusty air cleaning.

None of these
Corrona discharge
Electric spark
Alternating current

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Mechanical Operations
Sedimentation on commercial scale occurs in

Classifiers
Cyclones
Thickeners
Rotary drum filters

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Mechanical Operations
Ball mill is used for

Coarse grinding
Attrition
Fine grinding
Crushing

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Mechanical Operations
Dispersion of a gas through liquid is done by using a

None of these
Kneader
Masticator
Sparger

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