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Mass Transfer

Mass Transfer
Calcium ammonium nitrate (a fertiliser) is dried in a __________ dryer.

Tray
Tunnel
Vacuum
Rotary

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Mass Transfer
Capacity of a rotary dryer depends on its

None of the listed here
Both Inclination with ground surface & R.p.m
R.p.m
Inclination with ground surface

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Mass Transfer
The reciprocal of stripping factor is termed as

Absorption factor
Murphree efficiency
Relative volatility
Selectivity index

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

K ∝ D1.5
K ∝ D
K ∝ √D
K ∝ D2

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Mass Transfer
Agitator is provided in a crystalliser for

All of these
Formation of nuclei
Avoiding deposition on cooler surfaces
Crystal growth

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Mass Transfer
Mass transfer rate between two fluid phases does not necessarily depend on the __________ of the two phases.

Degree of turbulence
Chemical properties
Physical properties
Interfacial area

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