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Mechanical Operations

Mechanical Operations
Mixing of plastic solids is generally facilitated by

None of these
Dispersion
Kneading
Mastication

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

None of these
Belt
Screw
Pneumatic

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Mechanical Operations
In washing type plate and frame filter press, the ratio of washing rate to the final filtrate rate is

1/4
4
1/2
1

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Mechanical Operations
Size reduction mechanism used in Jaw crushers is

Compression
Cutting
Impact
Attrition

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Mechanical Operations
According to Bond crushing law, the work required to form particle of size 'D' from very large feed is (where (S/V)p and (S/V)f are surface to volume ratio of the product and feed respectively).

(S/V)f
(S/V)²p
(S/V)p
√(S/V)p

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Mechanical Operations
Addition of filter aid to the slurry before filtration is done to ...... of the cake.

Decrease the porosity
Increase the compressibility co-efficient
Increase the porosity
Decrease the compressibility co-efficient

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