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

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

Precoated on the filter medium prior to filtration

Added to the feed slurry

All of these

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

Precoated on the filter medium prior to filtration

Added to the feed slurry

All of these

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Mechanical Operations
Separation of isotopes is generally done using a/an __________ centrifuge.

Disk-bowl

Neither A nor B

Both A & B

Ultra

Disk-bowl

Neither A nor B

Both A & B

Ultra

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Mechanical Operations
In case of a hammer crusher,

Reduction ratio can be varied by adjusting the distance from cage to hammers

Maximum acceptable feed size is 30 cms

Crushing takes place by impact breaking

All of these

Reduction ratio can be varied by adjusting the distance from cage to hammers

Maximum acceptable feed size is 30 cms

Crushing takes place by impact breaking

All of these

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Mechanical Operations
Energy consumption in a crusher decreases with increase in the

Size of the product (at constant feed size)

All of these

Size of feed (at constant reduction ratio)

Capacity of the crushing machine

Size of the product (at constant feed size)

All of these

Size of feed (at constant reduction ratio)

Capacity of the crushing machine

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Mechanical Operations
The value of 'angle of nip' is generally about

16°

64°

52°

32°

16°

64°

52°

32°

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Mechanical Operations
Which of the following crushing laws is most accurately applicable to the fine grinding of materials ?

Kick's law

Bond's crushing law

Rittinger's law

None of these

Kick's law

Bond's crushing law

Rittinger's law

None of these

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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 Separation of isotopes is generally done using a/an __________ centrifuge.

Mechanical Operations In case of a hammer crusher,

Mechanical Operations Energy consumption in a crusher decreases with increase in the

Mechanical Operations The value of 'angle of nip' is generally about

Mechanical Operations Which of the following crushing laws is most accurately applicable to the fine grinding of materials ?

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
Separation of isotopes is generally done using a/an __________ centrifuge.

Mechanical Operations
In case of a hammer crusher,

Mechanical Operations
Energy consumption in a crusher decreases with increase in the

Mechanical Operations
The value of 'angle of nip' is generally about

Mechanical Operations
Which of the following crushing laws is most accurately applicable to the fine grinding of materials ?