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Mechanical Operations

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

Vortexing
Both A & B
Neither A nor B
Swirling

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Mechanical Operations
__________ centrifuge is normally used in sugar mills.

Suspended batch basket
Perforated horizontal basket continuous
Disc-bowl
Tubular bowl

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Mechanical Operations
__________ mill is normally used for grinding of talc.

Compartment
Ring-roll
Pebble
Tube

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

Rotary vacuum
Gravity sand
Plate and frame
Vacuum leaf

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Mechanical Operations
The energy consumed by a ball mill depends on

Its speed
Its ball load
All of these
The density of the material being ground

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Mechanical Operations
In case of a hammer crusher, the

Feed may be highly abrasive (Moh's scale >5)
Rotor shaft carrying hammers can be vertical or horizontal
Maximum feed size may be 50 mm
Minimum product size is 3 mm

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