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MECHANICAL OPERATIONS

Mechanical Operations
For a sphere falling in the constant drag co-efficient regime, its terminal velocity depends on its diameter (d) as

1/d
D²
D
√d

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Mechanical Operations
Ribbon blenders are exclusively meant for

Blending miscible liquids
Continuous mixing
Non-flowing powder and thin pastes
Bath mixing

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Mechanical Operations
Diatomaceous earth is a/an

Catalyst
Explosive
Filter aid
Filter medium

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Mechanical Operations
Mixing of plastic solids is generally facilitated by

Dispersion
Mastication
None of these
Kneading

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Mechanical Operations
Temperature of the product during ultrafine grinding

Increases
May increase or decrease ; depends on the material being ground
Remains constant
Decreases

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