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Mechanical Operations

Mechanical Operations
Separation of solid particles based on their densities is called

Sorting
Sizing
Clarification
Dispersion

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Mechanical Operations
The main differentiation factor between tube mill and ball mill is the

Final product size
Length to diameter ratio
Size of the grinding media
Operating speed

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Mechanical Operations
Which of the following is not a non-metalliferous mineral?

Cassiterrite
Fluorspar
Calcite
Quartz

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Mechanical Operations
Stamp mills are generally used for crushing

Diamond
Gold ores
Iron ores
Talc

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Mechanical Operations
Capacity (in tons/hr) of jaw/gyratory crusher is equal to (where, L = length of the receiving opening, cm S = greater width of the discharge opening, cm)

L.S
0.01 L.S
0.087 L.S
L.S/0.087

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Mechanical Operations
Screw conveyors are

Run at very high rpm
All of these
Suitable for highly abrasive materials
Suitable for sticky materials

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