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Mass Transfer

Mass Transfer
Leaching rate is independent of the

Particle size
Temperature
Agitation
None of the listed here

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Mass Transfer
Azeotropic distillation is employed to separate

Constant boiling mixture
High boiling mixture
Mixture with very high relative volatility
Heat sensitive materials

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Mass Transfer
Equilibrium moisture of a solid is equal to the total moisture minus free moisture. Which of the following substances will have maxi-mum equilibrium moisture?

Bamboo
Rag paper
Inorganic solids
Anthracite coal

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Mass Transfer
In case of an ideal solution, the total vapor pressure varies __________ with the composition expressed as mole fraction,

None of these
Inversely
Linearly
Exponentially

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Mass Transfer
The unit of volumetric diffusivity is

Cm²/seC₂
Cm³/sec
Cm/sec
Cm²/sec

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Mass Transfer
If moisture content of solid on dry basis is X, then the same on wet basis is

X/(X + 1)
(X - 1)/X
X/(X - 1)
(X + 1)/X

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