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Mechanical Operations

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

Pug mill
Muller mixer
Banbury mixer
Mixer-extruder

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Mechanical Operations
For separation of sugar solution from settled out mud, we use a __________ filter.

Rotary drum vaccum
Sparkler
Centrifugal
Plate and frame

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Mechanical Operations
A suspension of glass beads in ethylene glycol has a hindered settling velocity of 1.7 mm/s, while the terminal settling velocity of a single glass bead in ethylene glycol is 17 mm/s. If the Richardson-Zaki hindered settling index is 4.5, the volume fraction of solids in the suspension is

None of these
0.6
0.1
0.4

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Mechanical Operations
A cottrel precipitator makes use of the __________ for dusty air cleaning.

Electric spark
None of these
Alternating current
Corrona discharge

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Mechanical Operations
Separation of solid particles based on their densities is called

Sorting
Clarification
Dispersion
Sizing

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Mechanical Operations
Two particles are called to be equal settling, if they are having the same.

Terminal velocities in the same fluid & in the same field of force
Specific gravity
Size
None of these

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