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Mechanical Operations

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

Classifier
Rotary vacuum filter
Sparkler filter
Clarifier

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

None of these
Masticator
Charge can mixer
Kneader

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Mechanical Operations
Power required to drive a ball mill with a particular ball load is proportional to (where, D = diameter of ball mill )

D2.5
1/D
1/D2.5
D

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Mechanical Operations
Size measurement of ultrafine particles can be best expressed in terms of

Centimetre
Screen size
Surface area per unit mass
Micron

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Mechanical Operations
Pulverised coal passing through 200 mesh screen has a diameter of 0.074 mm (74 micron). The same passing through 50 mesh screen will have a dia of __________ mm.

0.014
0.007
0.3
50

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Mechanical Operations
A propeller agitator

All of these
Produces mainly axial flow
Is used for mixing high viscosity pastes
Runs at very slow speed (2 rpm)

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