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Mechanical Operations

Mechanical Operations
In froth floatation, chemical agent added to cause air adherence is called

Activator
Modifier
Frother
Collector

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Mechanical Operations
During filtration operation, the filtrate encounters the resistance of the

Channel carrying the slurry to the upstream side of the cake and filtrate away from the filter medium
All of these
Cake
Filter medium

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

Clarifier
Rotary vacuum filter
Sparkler filter
Classifier

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Mechanical Operations
Which of the following is a continuous filter?

Shell and leaf filter
Cartridge filter
Plate and frame filter
None of these

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Mechanical Operations
In constant pressure filtration,

Rate of filtration decreases with time
Rate of filtration increases with time
Rate of filtration is constant
Resistance decreases with time

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Mechanical Operations
__________ is the most suitable for compounding rubber and plastic solids.

Pan mixer
Pug mill
Charge can mixer
Banbery mixer

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