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Mechanical Operations

Mechanical Operations
The most common filter aid is

Diatomaceous earth
Calcium silicate
Silica gel
Sodium carbonate

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Mechanical Operations
Filtration of water in a paper mill is done by a/an __________ filter.

Open sand
Vacuum leaf
Sparkler
Plate and frame

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Mechanical Operations
Vibrating screens are used for handling large tonnages of materials. The vibrating motion is imparted to the screening surface by means of

Unblanced fly wheels
Cams or eccentric shafts
Electromagnets
Either A, B or C

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Mechanical Operations
For coarse reduction of hard solids, use

Cutting
Impact
Compression
Attrition

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Mechanical Operations
Mixing of plastic solids is generally facilitated by

None of these
Kneading
Mastication
Dispersion

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Mechanical Operations
Ultrafine grinders operate principally by

Slow compression
Attrition
Cutting action
Impact

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