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Mechanical Operations

Mechanical Operations
200 mesh seive size corresponds to __________ microns.

24
154
74
200

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Mechanical Operations
The capacity of a gyratory crusher is __________ that of a jaw crusher with the same gape, handling the same feed & for the same product size range.

2.5 times
5 times
Same as
10 times

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Mechanical Operations
For the preliminary breaking of hard rock, we use a

Gyratory crusher
Tube mill
Ball mill
Squirrel-cage disintegrator

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Mechanical Operations
The most common filter aid is

Diatomaceous earth
Silica gel
Calcium silicate
Sodium carbonate

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Mechanical Operations
Tabling process used for separating two materials of different densities by passing the dilute pulp over a table/deck, which is inclined from the horizontal surface at an angle of about

5 to 10°
2 to 5°
1 to 2°
10 to 15°

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Mechanical Operations
Gravity stamp mill is meant for the __________ crushing.

Ultrafine
Intermediate
Primary
Fine

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