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MECHANICAL OPERATIONS

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

Pneumatic conveyor
Bucket elevator
Apron conveyor
Both B & C

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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?

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

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Mechanical Operations
Fluid energy mill comes in the category of

Crusher
Grinder
Cutter
Ultrafine grinder

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Mechanical Operations
__________ mill is not a revolving mill.

Tube
Pebble
Cage
Compartment

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

Compartment mill
Pebble mill
Rod mill
Cage mill

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