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Mechanical Operations

Mechanical Operations
The crushed material received for separation is called feed or

Heading
Middling
Concentrate
Tailing

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Mechanical Operations
Energy requirement (per unit mass of material crushed/ground) is highest for

Ball mill
Fluid energy mill
Jaw crusher
Rod mill

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Mechanical Operations
Which of the following minerals is not subjected to magnetic separation method?

Rutile
Siderite
Chromite
Galena

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Mechanical Operations
Cyclones are used primarily for separating

Solids from fluids
Liquids
Solids
Solids from solids

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Mechanical Operations
Stamp mills are generally used for crushing

Diamond
Talc
Iron ores
Gold ores

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Mechanical Operations
increasing the capacity of a screen __________ the screen effectiveness.

None of these
Does not effect
Increases
Decreases

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