Filter aids like asbestos, kieselguhr, diatomaceous earth etc. are used to increase the porosity of the final filter cake & reducing the cake resistance during filtration. Filter aid is

Mechanical Operations
Filter aids like asbestos, kieselguhr, diatomaceous earth etc. are used to increase the porosity of the final filter cake & reducing the cake resistance during filtration. Filter aid is

All of these

Added to the feed slurry

Precoated on the filter medium prior to filtration

Separated from the cake by dissolving solids or by burning it off

All of these

Added to the feed slurry

Precoated on the filter medium prior to filtration

Separated from the cake by dissolving solids or by burning it off

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Mechanical Operations
Carbon black is pulverised in a

Gyratory crusher

Hammer crusher

Ball mill

Roll crusher

Gyratory crusher

Hammer crusher

Ball mill

Roll crusher

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Mechanical Operations
Pine oil and cresylic acid are used as __________ in the froth floatation process.

Conditioner

Collector

Frother

Depressor

Conditioner

Collector

Frother

Depressor

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Mechanical Operations
With increase in the capacity of screens, the screen effectiveness

Remains unchanged

Decreases exponentially

Increases

Decreases

Remains unchanged

Decreases exponentially

Increases

Decreases

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Mechanical Operations
Balls for ball mills are never made of

Cast iron

Alloy steel

Lead

Forged/cast steel

Cast iron

Alloy steel

Lead

Forged/cast steel

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Mechanical Operations
According to Taggart's rule for selecting between a gyratory crusher and a jaw crusher; the later should be used, if the hourly tonnage to be crushed divided by the square of the gape expressed in cm is less than

0.0184

0.184

1.84

0.00184

0.0184

0.184

1.84

0.00184

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Mechanical Operations

Mechanical Operations Filter aids like asbestos, kieselguhr, diatomaceous earth etc. are used to increase the porosity of the final filter cake & reducing the cake resistance during filtration. Filter aid is

Mechanical Operations Carbon black is pulverised in a

Mechanical Operations Pine oil and cresylic acid are used as __________ in the froth floatation process.

Mechanical Operations With increase in the capacity of screens, the screen effectiveness

Mechanical Operations Balls for ball mills are never made of

Mechanical Operations According to Taggart's rule for selecting between a gyratory crusher and a jaw crusher; the later should be used, if the hourly tonnage to be crushed divided by the square of the gape expressed in cm is less than

Mechanical Operations
Filter aids like asbestos, kieselguhr, diatomaceous earth etc. are used to increase the porosity of the final filter cake & reducing the cake resistance during filtration. Filter aid is

Mechanical Operations
Carbon black is pulverised in a

Mechanical Operations
Pine oil and cresylic acid are used as __________ in the froth floatation process.

Mechanical Operations
With increase in the capacity of screens, the screen effectiveness

Mechanical Operations
Balls for ball mills are never made of

Mechanical Operations
According to Taggart's rule for selecting between a gyratory crusher and a jaw crusher; the later should be used, if the hourly tonnage to be crushed divided by the square of the gape expressed in cm is less than