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Mechanical Operations

Mechanical Operations
Sauter mean diameter is the same as the __________ mean diameter.

Arithmetic
Volume-surface
Geometric
Mass

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Mechanical Operations
Which of the following is not an industrial screening equipment?

Trommel
Grizzly
Vibrating screen
Sharpies centrifuge

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Mechanical Operations
Separation of a suspension or slurry into a supernatant clear liquid (free from particles) and a thick sludge containing a high concentration of solid is called

Decantation
Clarification
Classification
Sedimentation

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Mechanical Operations
The material is crushed in a gyratory crusher by the action of

Attrition
Cutting
Compression
Impact

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Mechanical Operations
Carbon black is pulverised in a

Gyratory crusher
Hammer crusher
Roll crusher
Ball mill

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Mechanical Operations
Stamp mills are generally used for crushing

Gold ores
Diamond
Iron ores
Talc

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