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Mechanical Operations

Mechanical Operations
__________ are used for the separation of coarse particles from a slurry of fine particles.

Decanters
Hydrocyclones
Thickeners
Classifiers

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Mechanical Operations
Handling of ashes and similar materials can be done best by a __________ conveyor.

Flight
Drag or slat
Belt
Ribbon

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Mechanical Operations
According to Taggart's rule for selecting between a gyratory crusher and a jaw crusher; the later should be used, if the hourly tonnage to be crushed divided by the square of the gape expressed in cm is less than

0.00184
1.84
0.0184
0.184

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Mechanical Operations
__________ is a cohesive solid.

Wet clay
None of these
Wheat
Sand

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Mechanical Operations
Optimum ratio of operating speed to critical speed of a trommel is

0.33-0.45
1.5-2.5
0.5-2
1.33-1.45

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Mechanical Operations
Mixing mechanism employed in a pan mixer is by

None of these
Kneading
Dispersion
Mulling

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