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Mass Transfer

Mass Transfer
Leaching rate is independent of the

Temperature
Agitation
None of the listed here
Particle size

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Mass Transfer
Which one of the following devices is not used for both the absorption as well as the liquid-liquid extraction processes?

Wetted wall columns
Plate towers
Spray towers
Packed towers

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Mass Transfer
The dimension of diffusivity is same as that of the

Velocity head
Molal concentration
Kinematic viscosity
Density

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Mass Transfer
Corresponding to Prandtl number in heat transfer, the dimensionless group in mass transfer is the __________ number.

Schmidt
Peclet
Stanton
Sherwood

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Mass Transfer
L/mG is the expression for

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

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Mass Transfer
Schimdt number and Lewis number for pure air at atmospheric conditions are respectively

1 and 0
>1 and ≈ 1
0 and ≈ 1
< 1 and ≈ 1

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