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MECHANICAL OPERATIONS

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

Bucket elevator
Apron conveyor
Both B & C
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
Cylinder (L/D = 1)
Raschig rings
Sphere

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Mechanical Operations
Fluid energy mill comes in the category of

Cutter
Crusher
Grinder
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?

Cage mill
Pebble mill
Compartment mill
Rod mill

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