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Mechanical Operations

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
Crushing of mineral particles is accomplished in a 'cage mill', when one or more alloy steel bars are revolved in opposite directions. It is a type of __________ mill.

Impact
None of these
Roll
Vibratory

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Mechanical Operations
Size reduction does not occur due to compression in case of

Jaw crushers
Smooth roll crushers
Gyratory crushers
Rod mills

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Mechanical Operations
Capacity of flight conveyor in tons/hr is given by (where, W & D = width and depth of flight respectively in metre V = speed of the conveyor, metre/second ρ = bulk density of material, kg/m³)

3.6 W.V.ρ
3.6 W.D.V.ρ
3.6 D.V.ρ
3.6 W.D.V.

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Mechanical Operations
__________ is the most suitable for compounding rubber and plastic solids.

Banbery mixer
Pug mill
Pan mixer
Charge can mixer

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Mechanical Operations
For transporting pasty material, one will use a/an

Apron conveyor
Belt conveyor
Bucket elevator
Screw colaveyor

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