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Mass Transfer

Mass Transfer
Penetration model (theory) for mass transfer was enunciated by

Kissinevskii
Higbie
Toor and Marchello
Danckwerts

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Mass Transfer
Heat sensitive materials like certain pharmaceuticals and food stuffs can be dried in a/an __________ dryer.

Spray
Indirect tray
None of these
Freeze

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Mass Transfer
The partial pressure distribution of an ideal gas diffusing through another stagnant ideal gas at steady state follows a/an __________ law.

Cubic
Exponential
Parabolic
Linear

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Mass Transfer
In physical terms, Schmidt number means

Mass diffusivity/thermal diffusivity
Thermal diffusivity/mass diffusivity
Momentum diffusivity/mass diffusivity
Thermal diffusivity/momentum diffusivity

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Mass Transfer
The minimum number of theoretical plates is required for achieving a given separation in distillation column with

Total reflux
Zero reflux ratio
Minimum reflux ratio
No reflux

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Mass Transfer
In case of an ideal solution, the total vapor pressure varies __________ with the composition expressed as mole fraction,

Inversely
Exponentially
Linearly
None of these

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MORE MCQ ON Mass Transfer

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