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Mechanical Operations

Mechanical Operations
Sauter mean diameter is the same as the __________ mean diameter.

Mass
Geometric
Arithmetic
Volume-surface

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Mechanical Operations
__________ balls capable of grinding the feed in a ball mill gives the maximum efficiency.

Cast iron
Maximum size
Elliptical
Minimum size

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Mechanical Operations
Hot, lumpy & abrasive materials are best transported by using a/an __________ conveyor.

Screw
Apron
Flight
Belt

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Mechanical Operations
In a roll crusher, both the rolls

All of these
Have the same diameter
Are rotated towards each other
Run either at the same or different speeds

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Mechanical Operations
Apron conveyors are used for

Heavy loads & long runs
None of these
Small loads & long runs
Heavy loads & short runs

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Mechanical Operations
For separation of sugar solution from settled out mud, we use a __________ filter.

Centrifugal
Sparkler
Plate and frame
Rotary drum vaccum

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