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MECHANICAL OPERATIONS

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

Pneumatic conveyor
Apron conveyor
Both B & C
Bucket elevator

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Mechanical Operations
Sphericity is the ratio of the surface area of a spherical particle having the same volume as the particle to the surface area of the particle. Which of the following has the maximum value of sphericity?

Cube
Raschig rings
Sphere
Cylinder (L/D = 1)

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Mechanical Operations
Fluid energy mill comes in the category of

Cutter
Grinder
Ultrafine grinder
Crusher

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Mechanical Operations
__________ mill is not a revolving mill.

Compartment
Pebble
Cage
Tube

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Mechanical Operations
Which of the following is not a revolving/tumbling mill used for size reduction?

Cage mill
Rod mill
Pebble mill
Compartment mill

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