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Mass Transfer

Mass Transfer
Reverse osmosis is also called

Dialysis
Diffusion
Electrodilysis
Ultrafiltration

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Mass Transfer
Schmidt number is given by

Sh x Pe
Μ/ρDAB
Re.Pe
Re/Pe

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Mass Transfer
During dehumidification of unsaturated air wet bulb temperature & partial pressure of vapor are not constant. However, during evaporative cooling process with recirculated water supply, the __________ remains constant.

Partial pressure of water vapor
Relative humidity
Wet bulb temperature
None of these

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Mass Transfer
Which of the following has the same dimension as mass diffusivity?

Thermal diffusivity
Momentum flux
Both Momentum flux & Kinematic viscosity
Kinematic viscosity

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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
No reflux
Zero reflux ratio
Minimum reflux ratio

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Mass Transfer
Wetted wall tower experiment determines the

Mass transfer co-efficient
None of these
Volumetric co-efficient
Molal diffusivity

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MORE MCQ ON Mass Transfer

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