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Mechanical Operations

Mechanical Operations
Cyclones are used primarily for separating

Solids
Solids from solids
Solids from fluids
Liquids

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Mechanical Operations
In the cyclone separator used for separation of dust from dust laden gas, the gas

Both B and C
Enters the cyclone from the top
Develops a helical motion inside the chamber
Is admitted tangentially at high velocity

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Mechanical Operations
Moisture can be removed from lubricating oil using

Vacuum leaf filter
Clarifier
Sparkler filter
Tubular centrifuge

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Mechanical Operations
Separation of a suspension or slurry into a supernatant clear liquid (free from particles) and a thick sludge containing a high concentration of solid is called

Sedimentation
Clarification
Decantation
Classification

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Mechanical Operations
Capacity (in tons/hr) of jaw/gyratory crusher is equal to (where, L = length of the receiving opening, cm S = greater width of the discharge opening, cm)

L.S
0.01 L.S
0.087 L.S
L.S/0.087

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Mechanical Operations
Paddle agitator

Is suitable for mixing low viscosity liquids
Produces axial flow
None of these
Moves at very high speed

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