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Mechanical Operations

Mechanical Operations
Supporting legs of a plate and frame filter is normally made of

Stainless steel
Wooden plank
Cast iron
High speed steel

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Mechanical Operations
Ultrafine grinders operate principally by

Slow compression
Attrition
Impact
Cutting action

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

Pebble mill
Rod mill
Compartment mill
Cage mill

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Mechanical Operations
Dry powdery solid materials are transported by a __________ conveyor.

Bucket
None of these
Belt
Screw

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Mechanical Operations
Chance process is used for the

Cleaning of coal
Concentration of pyrites
Water treatment
Concentration of iron ore

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Mechanical Operations
Which of the following gives the work required for size reduction of coal to -200 mesh in a ball mill most accurately ?

None of these
Bond's law
Kick's law
Rittinger's law

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