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Mass Transfer

Mass Transfer
Paper industry employs __________ driers.

Fluidised bed
Spray
Cylinder
Rotary

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Mass Transfer
The value of NA/(NA + NB), for steady state equimolal counter diffusion of two gases 'A' and 'B' is

1
2
0.5
∞

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Mass Transfer
In a packed absorption tower, if the equilibrium and operating lines are both straight lines, then the ratio, HETP/HTUOG __________ the absorption factor.

Both A and B
Neither A nor B
Is one at unity value of
Increases with increase in

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Mass Transfer
For turbulent mass transfer in pipes, the Sherwood number depends on the Reynolds number as

Re
Re0.53
Re0.83
Re0.33

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Mass Transfer
Most important factor to be considered in the selection of packings for absorbers is the __________ of packing.

Cost
Durability
Porosity
Size

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Mass Transfer
(NSh/NRe.NSc) is termed in mass transfer operation as the

Thermal diffusivity
Peclet number
Stanton number
Momentum diffusivity

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MORE MCQ ON Mass Transfer

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