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Mechanical Operations

Mechanical Operations
Out of the following size reduction equipments, the maximum feed size can be accepted by the

Jaw crusher
Jet pulveriser
Tube mill
Ball mill

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Mechanical Operations
Colloidal mills are used for __________ grinding.

Fine
Ultrafine
Coarse
Intermediate

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Mechanical Operations
Which of the following is the most suitable filter for separation of abrasive solids suspended in a corrosive liquid?

Sand bed filter
Vacuum filter
Plate and frame filter press
Batch basket centrifuge

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Mechanical Operations
The value of 'angle of nip' is generally about

52°
16°
32°
64°

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Mechanical Operations
200 mesh screen means 200 openings per

Inch²
Cm
Cm²
Inch

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Mechanical Operations
Power required to drive a ball mill with a particular ball load is proportional to (where, D = diameter of ball mill )

1/D2.5
1/D
D2.5
D

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