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MECHANICAL OPERATIONS

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

Apron conveyor
Both B & C
Bucket elevator
Pneumatic conveyor

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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
Cylinder (L/D = 1)
Sphere

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Mechanical Operations
Fluid energy mill comes in the category of

Ultrafine grinder
Grinder
Cutter
Crusher

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Mechanical Operations
__________ mill is not a revolving mill.

Cage
Tube
Compartment
Pebble

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

Pebble mill
Rod mill
Compartment mill
Cage mill

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