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Mass Transfer

Mass Transfer
Leaching rate is independent of the

None of the listed here
Temperature
Agitation
Particle size

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Mass Transfer
Diameter of raschig rings used in packed tower in industry is normally around __________ inches.

12
18
8
2

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Mass Transfer
In continuous distillation, the internal reflux ratio (Ri) and the external reflux ratio (Re) are related as

Ri = Re
Ri = Re/(1 + Re)
Ri = Re/(1 - Re)
Ri = (1 - Re)/Re

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Mass Transfer
'ADDUCTS' and 'CLATHRATES' are used in case of

Extractive distillation
None of these
Absorption
Crystallisation

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Mass Transfer
The unit of volumetric diffusivity is

Cm²/seC₂
Cm²/sec
Cm³/sec
Cm/sec

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Mass Transfer
Fenske equation determines the

Optimum reflux ratio
Minimum number of theoretical plates
Maximum number of ideal plates
Height of the distillation column

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MORE MCQ ON Mass Transfer

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