A __________ employs a set of screen across a flow channel for the separation of dirt/rust from a flowing liquid stream.

Mechanical Operations
A __________ employs a set of screen across a flow channel for the separation of dirt/rust from a flowing liquid stream.

Strainer

Clarifier

Classifier

Thickener

Strainer

Clarifier

Classifier

Thickener

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Mechanical Operations
In case of grinding in a ball mill

Wet grinding achieves a finer product size than dry grinding

Its capacity decreases with increasing fineness of the products

Grinding cost and power requirement increases with increasing fineness of the products

All of these

Wet grinding achieves a finer product size than dry grinding

Its capacity decreases with increasing fineness of the products

Grinding cost and power requirement increases with increasing fineness of the products

All of these

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Mechanical Operations
Bond crushing law

Calls for relatively less energy for the smaller product particles, than does the Rittinger law

States that the work required for the crushing is proportional to the new surface created

Is less realistic in estimating the power requirements of commercial crushers

States that the work required to form particle of any size from very large feed is proportional to the square root of the volume to surface ratio of the product

Calls for relatively less energy for the smaller product particles, than does the Rittinger law

States that the work required for the crushing is proportional to the new surface created

Is less realistic in estimating the power requirements of commercial crushers

States that the work required to form particle of any size from very large feed is proportional to the square root of the volume to surface ratio of the product

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Mechanical Operations
If dp is the equivalent diameter of a non-spherical particle, Vp its volume and sp its surface area, then its sphericity is Φs is defined by

Φs = Vp/dp sp

Φs = 6 dp Sp/Vp

Φs = dp Sp/Vp

Φs = 6 Vp/dp sp

Φs = Vp/dp sp

Φs = 6 dp Sp/Vp

Φs = dp Sp/Vp

Φs = 6 Vp/dp sp

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Mechanical Operations
__________ mill is normally used for grinding of talc.

Tube

Pebble

Ring-roll

Compartment

Tube

Pebble

Ring-roll

Compartment

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Mechanical Operations
Sulphuric acid mist is arrested by using a __________ scrubber.

Venturi

Co-current

Packed wet

Hollow wet

Venturi

Co-current

Packed wet

Hollow wet

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Mechanical Operations

Mechanical Operations A __________ employs a set of screen across a flow channel for the separation of dirt/rust from a flowing liquid stream.

Mechanical Operations In case of grinding in a ball mill

Mechanical Operations Bond crushing law

Mechanical Operations If dp is the equivalent diameter of a non-spherical particle, Vp its volume and sp its surface area, then its sphericity is Φs is defined by

Mechanical Operations __________ mill is normally used for grinding of talc.

Mechanical Operations Sulphuric acid mist is arrested by using a __________ scrubber.

Mechanical Operations
A __________ employs a set of screen across a flow channel for the separation of dirt/rust from a flowing liquid stream.

Mechanical Operations
In case of grinding in a ball mill

Mechanical Operations
Bond crushing law

Mechanical Operations
If dp is the equivalent diameter of a non-spherical particle, Vp its volume and sp its surface area, then its sphericity is Φs is defined by

Mechanical Operations
__________ mill is normally used for grinding of talc.

Mechanical Operations
Sulphuric acid mist is arrested by using a __________ scrubber.