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Mass Transfer

Mass Transfer
What is the degree of freedom of an absorption process in which only one component is transferred between phases?

2
1
4
3

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Mass Transfer
Mass transfer co-efficient varies as DAB0.5, according to the __________ theory.

Surface renewal
None of these
Film
Penetration

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Mass Transfer
Which of the following is an undesirable property in a tower packing?

Large surface per unit volume
Low weight per unit volume
Large free cross-section
Large weight of liquid retained

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Mass Transfer
The absorption factor is defined as (where, L = liquid flow rate, G = gas flow rate and, m = slope of the equilibrium line)

L/mG
LG/m
ML/G
G/mL

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Mass Transfer
Wet bulb and dry bulb temperatures becomes identical at __________ percent saturation curve.

50
None of these
100
78

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Mass Transfer
Moisture in a solid exerting an equilibrium vapour pressure equal to that of the pure liquid at the same temperature is called the __________ moisture.

Bound
Unbound
Free
Critical

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