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Mass Transfer

Mass Transfer
For the case of flow of air past a wet bulb thermometer (air water vapour system), the approximate value of H₂/ky.Cz is around

1
0.72
0.24
0.6

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Mass Transfer
Pick out the system with minimum boiling azeotrope at 1 atm.

Hydrochloric acid-water
Ethyl alcohol-water
Benzene-toluene
All of these

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Mass Transfer
In distillation columns, the number of bubble caps per tray primarily depends upon the

Allowable gas velocity
Feed composition
Allowable liquid velocity
Allowable gas and liquid velocities

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Mass Transfer
Rotary dryers cannot handle __________ materials.

Grannular
Free flowing
Sticky
Dry

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Mass Transfer
Rate of leaching increases with increasing

Pressure
Temperature
Size of the solid
Viscosity of solvent

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Mass Transfer
Unit operation involved in the prilling of urea is

Evaporation
Crystallisation
Drying
Both B and C

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