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Mass Transfer

Mass Transfer
Molarity is defined as the number of gm moles of solute per __________ of solvent.

Gm
Kg
Litre
c

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Mass Transfer
The commonly used solvent in supercritical extraction is

Carbon dioxide
Methyl ethyl ketone
Carbon tetrachloride
Water

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Mass Transfer
Schmidt number is given by

Re/Pe
Μ/ρDAB
Sh x Pe
Re.Pe

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Mass Transfer
Only small amount of evaporation of water produces large cooling effects because of its

None of these
Large latent heat
Small latent heat
Low viscosity

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Mass Transfer
The critical moisture content in case of drying indicates the __________ rate period.

End of falling
Beginning of constant
None of these
Beginning of falling

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Mass Transfer
The reason for preferring packed towers over plate towers in distillation practice is that the packed tower operation gives

High pressure drop and high hold up
High pressure drop and low hold up
Low pressure drop and low hold up
Low pressure drop and high hold up

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