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Mechanical Operations

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

Rotary vacuum filter
Classifier
Clarifier
Sparkler filter

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Mechanical Operations
The capacity of a gyratory crusher is __________ that of a jaw crusher with the same gape, handling the same feed & for the same product size range.

Same as
2.5 times
10 times
5 times

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Mechanical Operations
Where the density difference of the two liquid phase to be separated is very small (as in milk cream separator), the most suitable separator is a

Sharpies supercentrifuge
Disc bowl centrifuge
Sparkler filter
Batch basket centrifuge

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Mechanical Operations
Gravity settling process is not involved in the working of a

Dorr-thickener
Classifier
Sedimentation tank
Hydrocyclone

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Mechanical Operations
The specific surface of spherical particles is given by (where D and ρ are diameter and density of particle).

12/D.p
2/D.p
6/D.p
4/D.p

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Mechanical Operations
In case of a hammer crusher, the final product size depends on the

Feed rate
Rotor speed
Clearance between hammer & grinding plates
All of these

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MORE MCQ ON Mechanical Operations

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