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Mass Transfer

Mass Transfer
What is the reflux ratio at total reflux?

Data insufficient
Infinity
Zero
Unity

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

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

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Mass Transfer
In the layout plan for a vacuum distillation unit, operating at 60 mm Hg, supported by a barometric condenser, the appropriate place for the location of vacuum drum for collecting the distillate will be

At ground level
2 metres above the ground
10 metres above ground
5 metres above ground

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Mass Transfer
Rate of leaching increases with increasing

Pressure
Viscosity of solvent
Temperature
Size of the solid

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Mass Transfer
Reboiler is considered as one theoretical plate, because

Vapour is recycled to the column
Reboiler itself contains one plate
None of these
Of the assumption that vapour and liquid leaving the reboiler are in equilibrium

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