Soft & non-abrasive materials can be made into fines by

Mechanical Operations
Soft & non-abrasive materials can be made into fines by

Cutting

Attrition

None of these

Compression

Cutting

Attrition

None of these

Compression

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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
A pebble mill

Is a ball mill

Employs flints or ceramic pebbles as the grinding medium

Both B and C

Is a tube mill lined with ceramic or other non-metallic liner

Is a ball mill

Employs flints or ceramic pebbles as the grinding medium

Both B and C

Is a tube mill lined with ceramic or other non-metallic liner

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Mechanical Operations
Reciprocal of sphericity is termed as the

Specific surface ratio

Surface area per unit mass

Shape factor

Sauter diameter

Specific surface ratio

Surface area per unit mass

Shape factor

Sauter diameter

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Mechanical Operations
Gravity stamp mill is meant for the __________ crushing.

Intermediate

Ultrafine

Fine

Primary

Intermediate

Ultrafine

Fine

Primary

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Mechanical Operations
Size reduction of __________ is accomplished in steam heated rollers and roll crushers.

Hard rubber

Gums

Waxes

Resins

Hard rubber

Gums

Waxes

Resins

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Mechanical Operations

Mechanical Operations Soft & non-abrasive materials can be made into fines by

Mechanical Operations Bond crushing law

Mechanical Operations A pebble mill

Mechanical Operations Reciprocal of sphericity is termed as the

Mechanical Operations Gravity stamp mill is meant for the __________ crushing.

Mechanical Operations Size reduction of __________ is accomplished in steam heated rollers and roll crushers.

Mechanical Operations
Soft & non-abrasive materials can be made into fines by

Mechanical Operations
Bond crushing law

Mechanical Operations
A pebble mill

Mechanical Operations
Reciprocal of sphericity is termed as the

Mechanical Operations
Gravity stamp mill is meant for the __________ crushing.

Mechanical Operations
Size reduction of __________ is accomplished in steam heated rollers and roll crushers.