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Mechanical Operations

Mechanical Operations
The opening of a 200 mesh screen (Taylor series) is

0.0074 mm
0.0074 cm
74 mili-microns
0.0047 cm

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Mechanical Operations
Sorting classifiers employing differential settling methods for separation of particles make use of the differences in their

None of these
Terminal velocities
Particle sizes
Densities

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Mechanical Operations
Mixing of light fine powder such as insecticides is done by

Kneader
Pug mill
Impact wheels
Banbery mixer

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

Screw
Ribbon
Flight
Slat or drag

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

Ball mill
Tube mill
Squirrel-cage disintegrator
Gyratory crusher

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Mechanical Operations
In screen analysis, the notation +5 mm/-10 mm means particles passing through

Both 5 mm and 10 mm screens
10 mm screen and retained on 5 mm screen
Neither 5 mm nor 10 mm screen
5 mm screen and retained on 10 mm screen

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