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Mechanical Operations

Mechanical Operations
Mixing of plastic solids is generally facilitated by

Kneading
Dispersion
Mastication
None of these

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Mechanical Operations
For spheres, volume shape factor is given by

2π(=2A/D²)
π/6(=V/D³)
π(=A/D²)
AD/V

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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
Maximum size reduction in a fluid energy mill is achieved by

Impact
Interparticle attrition
Compression
Cutting

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Mechanical Operations
For the transportation of ultrafine particles, the equipment used is a........conveyor.

None of these
Pneumatic
Belt
Screw

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Mechanical Operations
The equivalent diameter of channel of a constant non-circular cross-section of 3 cm by 6 cm will be __________ cms.

12
20
8
2

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