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Mechanical Operations

Mechanical Operations
200 mesh screen means 200 openings per

Inch
Cm
Inch²
Cm²

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Mechanical Operations
A __________ employs a set of screen across a flow channel for the separation of dirt/rust from a flowing liquid stream.

Classifier
Clarifier
Strainer
Thickener

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Mechanical Operations
__________ mills are termed as impactors.

Cage
Rolling-compression
None of these
Hammer

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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

0.0184
1.84
0.184
0.00184

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Mechanical Operations
Which of the following is a coarse crusher?

Tube mill
Gyratory crusher
Smooth roll crusher
Toothed roll crusher

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Mechanical Operations
A suspension of glass beads in ethylene glycol has a hindered settling velocity of 1.7 mm/s, while the terminal settling velocity of a single glass bead in ethylene glycol is 17 mm/s. If the Richardson-Zaki hindered settling index is 4.5, the volume fraction of solids in the suspension is

None of these
0.4
0.6
0.1

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