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Mechanical Operations

Mechanical Operations
Mixing of plastic solids is generally facilitated by

Mastication
None of these
Kneading
Dispersion

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Mechanical Operations
The most suitable equipment used to devulcanise rubber scrap and to make water dispersion & rubber solution is a

Sharpies centrifuge
Propeller agitator
None of these
Boundary mixer

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Mechanical Operations
The critical speed of a trommel (N) is related to its dia (D) as

N ∝ 1/D
N ∝ 1/√D
N ∝ √D
N ∝ D

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Mechanical Operations
Mixer used for rubber compounding is

Muller mixer
Banbury internal mixer
Pug mill
Mixer-extruder

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

None of these
Screw
Belt
Bucket

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Mechanical Operations
Cyclones are used primarily for separating

Liquids
Solids
Solids from fluids
Solids from solids

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