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Mass Transfer

Mass Transfer
The slope of the operating line for a single component co-current absorber when plotted in terms of mole ratio units is

-ve
∞
+ve

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Mass Transfer
Antibiotics are best handled in a

Pulsed column extractor
Podbielniak extractor
Sieve tray contractor
Rotating disc contactor

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Mass Transfer
Mass transfer co-efficient (K) and diffusivity (D) are related according to film theory as

K ∝ D2
K ∝ √D
K ∝ D1.5
K ∝ D

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Mass Transfer
Leaching rate is independent of the

None of the listed here
Temperature
Agitation
Particle size

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Mass Transfer
The drying time between fixed moisture contents within the 'constant rate period' is proportional to (assuming that drying occurs from all surfaces of the solid) (where, T = thickness of the solid )

√T
T3
T1.5
T

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Mass Transfer
For experimental determination of mass transfer co-efficient by wetted wall tower, the mass transfer area is

Not required
Calculated
Unknown
Known

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