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Mechanical Operations

Mechanical Operations
The distribution given by microscopic analysis of powder is

Length
Volume
Area
Number

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Mechanical Operations
Laminar flow region is said to exist during agitation of a liquid in an agitator, when the value of Reynolds number is

>10
>100

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Mechanical Operations
Reduction ratio of crushers is the

Ratio of discharge opening to feed opening
Determining factor for minimum dia of the feed and the product
None of these
Ratio of feed opening to discharge opening

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Mechanical Operations
Screen capacity is expressed in terms of

Tons/hr-ft²
Tons/hr
Tons/ft²
Both A & B

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Mechanical Operations
Handling of ashes and similar materials can be done best by a __________ conveyor.

Belt
Flight
Ribbon
Drag or slat

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Mechanical Operations
For benefication of iron ore, the most commonly used method is

Jigging & tabling
Flocculation
None of these
Froth floatation

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