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Mechanical Operations

Mechanical Operations
In paint industries, blending of light paste is done by using a

None of these
Charge can mixer
Masticator
Kneader

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Mechanical Operations
A straight line is obtained on plotting reciprocal of filtration rate vs. the volume of filtrate for __________ flow of filtrate.

Incompressible cake and turbulent
Compressible cakes and laminar
Compressible cake and turbulent
Incompressible cake and laminar

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Mechanical Operations
Which of the following is a batch sedimentation equipment?

Dry cyclone separator
Filter thickener
Dust catcher
Rotary sprayer scrubber

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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

N²
N¹
N°
N³

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Mechanical Operations
The main size reduction operation in ultrafine grinders is

Cutting
Attrition
Compression
Impact

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Mechanical Operations
Colloidal mills are used for __________ grinding.

Ultrafine
Fine
Intermediate
Coarse

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