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Mechanical Operations

Mechanical Operations
Colloidal mills are used for __________ grinding.

Intermediate
Ultrafine
Coarse
Fine

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Mechanical Operations
Energy consumed for crushing one ton of material ranges from __________ kWh.

2 to 3.5
4 to 5
0.01 to 0.1
0.5 to 1.5

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Mechanical Operations
The crushed material received for separation is called feed or

Concentrate
Heading
Tailing
Middling

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Mechanical Operations
A widely used size reduction equipment for __________ is Bradford breaker.

Wheat
Iron core
Coal
Talc

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Mechanical Operations
In paint industries, blending of light paste is done by using a

Masticator
Kneader
None of these
Charge can mixer

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Mechanical Operations
Tabular bowl centrifuges as compared to disk bowl centrifuges

Can't be used for separation of fine suspended solids from a liquid
Can not be operated under pressure/vacuum
Employ bowl of larger diameter
Operate at higher speed

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