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Mass Transfer

Mass Transfer
Small dia distillation column can be a

Bubble cap
Packed column
Any of these
Sieve tray

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Mass Transfer
Calculation of mass transfer co-efficient is mostly/normally done using __________ theory.

Penetration
None of the listed here
Surface renewal
Film

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Mass Transfer
Which of the following gas-liquid contacting devices incurs the least pressure drop for a particular duty?

Grid tray tower
Perforated tray tower
Bubble cap tower
Wetted wall tower

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Mass Transfer
Swenson-Walker crystalliser is a __________ unit

Cooling (adiabatic)-cum-evaporation
Batch
Continuous
Semi-batch

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Mass Transfer
Prandtl number for water at 20°C is about

70
150
7
0.7

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Mass Transfer
At a given equilibrium pressure, with increase in temperature, the concentration of adsorbed gas on solid adsorbant

Remains unchanged
Increases exponentially
Decreases
Increases

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