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Mechanical Operations

Mechanical Operations
The process opposite to 'dispersion' is termed as the

None of these
Filtration
Flocculation
Sedimentation

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Mechanical Operations
For achieving maximum capacity of the ball mill, the ball charge should be equal to about __________ percent of the ball mill volume.

10
25
75
50

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Mechanical Operations
What is the usual value of angle of nip for crushing of ordinary rock in smooth steel crushing rolls?

32°
46°
40°
16°

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Mechanical Operations
Which of the following is a coarse crusher?

Smooth roll crusher
Toothed roll crusher
Tube mill
Gyratory crusher

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Mechanical Operations
The most suitable filter for the removal of very small amount of precipitate from very large volumes of water is the __________ filter.

Plate & frame
Rotary
Vacuum
Sand

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Mechanical Operations
Which of the following is a batch sedimentation equipment?

Filter thickener
Rotary sprayer scrubber
Dust catcher
Dry cyclone separator

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