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Mechanical Operations

Mechanical Operations
Short distance transportation of grain, gravel, sand, ash, asphalt etc. is done by using a __________ conveyor.

Flight
Slat or drag
Screw
Ribbon

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Mechanical Operations
In a size reduction crushing operation, feed size is 100 to 300 mm. while the product size is 10 to 50 mm. This is a case of the __________ crushing.

Ultrafine
Fine
Primary
Secondary

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Mechanical Operations
Molten ammonium nitrate is mixed with ground limestone in fertilizer plant in a

Mixer-extruder
Muller mixer
Pug mill
Banbury mixer

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Mechanical Operations
For grinding of cereals, grains, spices, pigments, saw dust, cork etc., the most extensively used size reduction equipment is a

Crushing rolls
Ball mill
Hammer mill
Buhrstone mill

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Mechanical Operations
Colloidal mills are used for __________ grinding.

Ultrafine
Intermediate
Coarse
Fine

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Mechanical Operations
Cement clinker is reduced to fine size by a

Hammer mill
Roll crusher
Ball mill
Tube mill

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