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Mechanical Operations

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

Pug mill
Impact wheels
Kneader
Banbery mixer

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Mechanical Operations
Which is a secondary crusher for a hard & tough stone?

Jaw crusher
Cone crusher
Impact crusher
Toothed roll crusher

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Mechanical Operations
Equivalent diameter of a particle is the diameter of the sphere having the same

Ratio of surface to volume as the actual volume
Volume as the particle
Ratio of volume to surface as the particle
None of these

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Mechanical Operations
If radius of a batch basket centrifuge is halved & the r.p.m. is doubled, then the

Linear speed of the basket is doubled
Linear speed of the basket is halved
Capacity of centrifuge is increased
Centrifugal force is doubled

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Mechanical Operations
__________ is a cohesive solid.

Wheat
None of these
Sand
Wet clay

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Mechanical Operations
Use of baffles in agitators help in minimising the __________ tendency.

Neither A nor B
Swirling
Both A & B
Vortexing

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