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Mass Transfer

Mass Transfer
Mass transfer co-efficient varies as DAB0.5, according to the __________ theory.

Film
Penetration
None of these
Surface renewal

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Mass Transfer
Leaching of sugar from sugar beets is done by

Hexane
Lime water
Hot water
Dilute H₂SO₄

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Mass Transfer
Ordinary diffusion process is also called __________ diffusion.

Pressure
Concentration
Forced
Thermal

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Mass Transfer
In case of gases, the binary diffusivity is proportional to (where, P = pressure)

P
1/√P
√P
1/P

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Mass Transfer
Cox chart, which is useful in the design of distillation column particularly for petroleum hydrocarbons, is a plot of (where, P = vapor pressure, T = temperature)

Log P vs. log T
T vs . P
Log P vs . T
P vs . log T

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Mass Transfer
Extraction of pencillin employs a __________ extraction coloumn.

Plate
Packed
None of these
Centrifugal

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