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Mechanical Operations

Mechanical Operations
Gravity stamp mill is meant for the __________ crushing.

Primary
Ultrafine
Fine
Intermediate

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Mechanical Operations
Which of the following agitators having a large blade area, rotating at slow speed is used for mixing high viscosity liquids ( > 50000 centipoise)?

Curved blade turbine
Flat blade turbine
Helical screw
Propeller

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Mechanical Operations
The term 'angle of nip' is concerned with the operation of the __________ crushers.

Gyratory
Jaw
Roll
None of these

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Mechanical Operations
Sorting classifiers employing differential settling methods for separation of particles make use of the differences in their

None of these
Terminal velocities
Densities
Particle sizes

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Mechanical Operations
Use of baffles in agitators help in minimising the __________ tendency.

Neither A nor B
Vortexing
Both A & B
Swirling

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Mechanical Operations
For classification of potable (drinking) water, we use a __________ filter.

Rotary vacuum
Vacuum leaf
Plate and frame
Gravity sand

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