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Mechanical Operations

Mechanical Operations
Mixing mechanism employed in a pan mixer is by

Kneading
Mulling
None of these
Dispersion

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Mechanical Operations
Specific surface area is the surface area of a unit __________ of materials.

Neither A nor B
Weight
Either A or B
Volume

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Mechanical Operations
Run of mine (ROM) coal is crushed by a __________ for use in domestic ovens.

Tube mill
Ball mill
Jaw crusher
Hammer crusher

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Mechanical Operations
__________ mill is not a revolving mill.

Compartment
Tube
Cage
Pebble

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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
In closed circuit grinding as compared to open circuit grinding, the

Specific surface of product is more
Operation is economical
Production rate at a given limiting size is lower
Product has lesser size uniformity

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