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Mechanical Operations

Mechanical Operations
Gizzlies are used for separating __________ solids.

Any size
Coarse
Fine
None of these

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Mechanical Operations
Mixer used for rubber compounding is

Muller mixer
Pug mill
Banbury internal mixer
Mixer-extruder

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Mechanical Operations
Gelatinous solid (which plug the septum) can be filtered by a __________ filter.

Sparkler
Precoat
Plate and frame
Vacuum leaf

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Mechanical Operations
Coal is finally pulverised to 200 mesh size for burning in boilers by a

Roll crusher
Hammer crusher
Gyratory crusher
Ball mill

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Mechanical Operations
A tube mill as compared to a ball mill

Gives finer size reduction but consumes more power
Employs smaller balls
All of these
Has larger length/diameter ratio (>2 as compared to 1 for ball mill)

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Mechanical Operations
The reduction ratio for fine grinders is

43961
20-40
44124
As high as 100

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