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Mechanical Operations

Mechanical Operations
To get a fine talc powder from its granules, the equipment used is

Gyratory crusher
Ball mill
Roller crusher
Jaw crusher

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Mechanical Operations
Which of the following is not a revolving/tumbling mill used for size reduction?

Compartment mill
Pebble mill
Rod mill
Cage mill

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Mechanical Operations
The unit of filter medium resistance is

Gm/cm⁻¹
Gm⁻¹
Cm/gm⁻¹
Cm⁻¹

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Mechanical Operations
Removal of activated carbon from glycerine is done by

Rotary vacuum filter
Plate and frame filter
Batch basket centrifuge
None of these

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Mechanical Operations
Filtration should be stopped in a filter press, if the

Cake becomes very dense
Filtration pressure rises suddenly
Liquor stops flowing out to the discharge
Both A & B

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Mechanical Operations
Which of the following can be most effectively used for clarification of lube oil and printing ink?

Precoat filter
Sharpies supercentrifuge
Sparkler filter
Disc-bowl centrifuge

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