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Mechanical Operations

Mechanical Operations
Which is the most suitable conveyor for transportation of sticky material?

Screw conveyor
Apron conveyor
Belt conveyor
Pneumatic conveyor

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

Sorting
Dispersion
Clarification
Sizing

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Mechanical Operations
A propeller agitator

Is used for mixing high viscosity pastes
Produces mainly axial flow
All of these
Runs at very slow speed (2 rpm)

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Mechanical Operations
Fluid medium used in the classification technique of mineral beneficiation is

Neither A nor B
Air
Water
Both A & B

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Mechanical Operations
Crushing efficiency of a machine ranges between __________ percent.

50 to 70
20 to 25
0.1 to 2
5 to 10

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Mechanical Operations
Which of the following mineral dressing operations is termed as 'comminution'?

Spiralling
None of these
Tabling
Panning

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