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Mass Transfer

Mass Transfer
Molality is defined as the number of gm moles of solute per __________ of solvent.

Kg
Gm
m³
Litre

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

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

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Mass Transfer
Which of the following same diameter columns gives lowest pressure drop per unit height?

Sieve-plate column
Packed column (stacked)
Bubble-cap column
Randomly packed column

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Mass Transfer
The drying time between fixed moisture contents within the 'constant rate period' is proportional to (assuming that drying occurs from all surfaces of the solid) (where, T = thickness of the solid )

T3
T1.5
√T
T

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Mass Transfer
With increase in the concentration of the adsorbate, the integral heat of adsorption

Increases
May increase or decrease ; depends on the type of adsorbate
Remains unchanged
Decreases

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Mass Transfer
__________ is concerned with the adsorption equilibria.

Freundlich equation
Gibb's equation
Fick's law
None of these

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