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Mechanical Operations

Mechanical Operations
Shape factor for a cylinder whose length equals its diameter is

1.5
1.0
2.0
0.5

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

Jigging & tabling
Flocculation
Froth floatation
None of these

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Mechanical Operations
The power number for a stirred tank becomes constant at high Reynolds number. In this limit, the variation of power input with impeller rotational speed (N) is proportional to

N¹
N³
N°
N²

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Mechanical Operations
Dry powdery solid materials are transported by a __________ conveyor.

None of these
Bucket
Screw
Belt

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Mechanical Operations
Traces of solids are removed from, liquid in a

Rotary vacuum filter
Sparkler filter
Clarifier
Classifier

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Mechanical Operations
Separation of solid suspended in liquid into a supernatant clear liquid and a denser slurry employs a process termed as the

Coagulation
Flocculation
Sedimentation
Clarification

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