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Mass Transfer

Mass Transfer
Leaching of coarse solid lumps is also termed as

Agitation and settling
Decoction
Percolation
Dissolution

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Mass Transfer
With increase in temperature, the rate of extraction in leaching (solid-liquid extraction system)

Decreases
Remains unaffected
Increases Linearly
Increases

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Mass Transfer
__________ equation applies to diffusivities in liquids.

Wilke and Chang
None of these
Hirschfelder
Gilliland

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Mass Transfer
In gas-liquid contact operation, the number of ideal stages, N = (xa - xb)/(xb - x*b) . This is true when the stripping factor 'S' is

S = ∞
S < 1
S > 1
S = 1

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Mass Transfer
Calcium ammonium nitrate (a fertiliser) is dried in a __________ dryer.

Tunnel
Rotary
Vacuum
Tray

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Mass Transfer
The equipment frequently used for adiabatic humidification-cooling operation with recirculating liquid is

None of these
Spray chamber
Induced draft cooling tower
Natural draft cooling tower

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