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Mechanical Operations

Mechanical Operations
Which of the following comes in the category of primary crusher for hard and tough stone?

Cone crusher
Jaw crusher
None of these
Gyratory crusher

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Mechanical Operations
Which one is a filter aid?

None of these
Calcined lime
Diatomaceous earth
Convas fabric

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Mechanical Operations
Percentage of drum submerged in the slurry in case of rotary drum filter is

30
3
85
25

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Mechanical Operations
The work index in Bond's law for crushing of solids has the following dimensions

No units (dimensionless)
KW/ton
KWh/ton
KWh.m1/2/ton

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Mechanical Operations
Hot, lumpy & abrasive materials are best transported by using a/an __________ conveyor.

Apron
Belt
Screw
Flight

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Mechanical Operations
__________ is used for producing a thick suspension from a thin slurry.

Pressure filter thickener
Plate and frame filter press
Cartridge filter
Rotary drum vacuum filter

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