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Mechanical Operations

Mechanical Operations
Cyclones are used primarily for separating

Solids from fluids
Solids
Solids from solids
Liquids

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Mechanical Operations
Traces of solids are removed from, liquid in a

Clarifier
Sparkler filter
Classifier
Rotary vacuum filter

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Mechanical Operations
Pine oil used in froth floatation technique acts as a/an

Frother
Collector
Activator
Modifier

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Mechanical Operations
The cake resistance increases steadily with the time of filtration in a plate and frame filter employing constant __________ filtration.

Neither A nor B
Rate
Pressure
Both A & B

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Mechanical Operations
If dp is the equivalent diameter of a non-spherical particle, Vp its volume and sp its surface area, then its sphericity is Φs is defined by

Φs = 6 Vp/dp sp
Φs = dp Sp/Vp
Φs = Vp/dp sp
Φs = 6 dp Sp/Vp

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Mechanical Operations
To produce talcum powder, use

Pin mill
Ball mill
Hammer mill
Jet mill

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