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Mass Transfer

Mass Transfer
Rayleigh's equation applies to __________ distillation.

Flash
Steam
Continuous
Differential

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Mass Transfer
Bound moisture is that liquid which exerts an equilibrium vapor pressure __________ that of the pure liquid at the given temperature.

Either A or B; depends on the solid
Equal to
Less than
More than

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Mass Transfer
Which of the following provides maximum contact surface for a liquid-vapour system?

Seive-plate column
Bubble-cap plate column
Packed tower
Wetted wall column

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

Kg
c
Litre
Gm

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

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Mass Transfer
Mass transfer co-efficient is defined as

None of the listed here
Co-efficient = Flux/concentration difference
Flux=concentration difference/co-effi-cient
Flux = Co-efficient/concentration difference

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