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Mass Transfer

Mass Transfer
When both the fluids flow concurrently in an absorber, the slope of the operating line is

+ ve
1
-1
- ve

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Mass Transfer
Alcohol is dehydrated using __________ distillation.

Steam
Extractive
Molecular
Azeotropic

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Mass Transfer
In distillation where q is defined as the moles of liquid flow in the stripping section per mole of feed introduced, for saturated liquid feed

q > 1
q = 1
q = 0
q < 1

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

Decreases
Increases exponentially
Increases
Remains unchanged

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Mass Transfer
Steady state temperature reached by a small amount of liquid evaporating into a large amount of unsaturated vapour-gas mixture is called the __________ temperature.

Dew point
Wet-bulb
Adiabatic saturation
Dry-bulb

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Mass Transfer
In distillation columns, the number of bubble caps per tray primarily depends upon the

Allowable liquid velocity
Feed composition
Allowable gas velocity
Allowable gas and liquid velocities

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