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Mass Transfer

Mass Transfer
Rayleigh's equation applies to __________ distillation.

Differential
Steam
Flash
Continuous

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Mass Transfer
Leaching rate is independent of the

Agitation
Particle size
None of the listed here
Temperature

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Mass Transfer
Mass transfer co-efficient (K) and diffusivity (D) are related according to film theory as

K ∝ D1.5
K ∝ √D
K ∝ D
K ∝ D2

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Mass Transfer
Absorption factor is defined as (where, S₁ = slope of the operating line S₂ = slope of the equilibrium curve)

S₁ - S₂
S₁ x S₂
S₁/S₂
S₂/S₁

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Mass Transfer
L/mG is the expression for

Slope of operating line in absorber
Slope of operating line in stripper
Brinkman number
Absorption factor

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Mass Transfer
Perforated plate towers are unique for solvent extraction because, they provide

None of these
Better contact of the phase
Repeated coalescence & redispersion of the drop phase
Higher contact area

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