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Mechanical Operations

Mechanical Operations
Sphericity of a cubical particle, when its equivalent diameter is taken as the height of the cube, is

√2
1
0.5
√3

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

Fine
Primary
Intermediate
Ultrafine

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Mechanical Operations
Filtration of water in a paper mill is done by a/an __________ filter.

Plate and frame
Open sand
Sparkler
Vacuum leaf

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Mechanical Operations
A. __________ mill is a revolving mill divided into two or more sections by perforated partitions in which preliminary grinding takes place at one end and the finishing grinding at the discharge end.

Compartment
Pebble
Tube
Rod

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Mechanical Operations
Which of the following is not a revolving/tumbling mill used for size reduction?

Compartment mill
Cage mill
Rod mill
Pebble mill

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Mechanical Operations
In case of a hammer crusher, the final product size depends on the

Feed rate
All of these
Clearance between hammer & grinding plates
Rotor speed

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