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Mass Transfer

Mass Transfer
Milk is dried usually in a __________ dryer.

Freeze
Rotary
Tray
Spray

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Mass Transfer
Absorption factor, for a fixed degree of absorption from a fixed amount of gas should be

1
< 1
> 1
≤ 1

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Mass Transfer
The velocity, concentration and temperature boundary, for the boundary layer development on a flat plate during connective mass transfer will be same, if

NSc = NPr = NLe
NSc = 1
NSc = NLe
NPr = NLe

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Mass Transfer
__________ columns are used for liquid dispersion in a continuous gas phase.

Sieve plate
Bubble cap
Packed
Pulse

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Mass Transfer
Molecular distillation is

For heat-sensitive materials
Very low pressure distillation
High temperature distillation
Both B and C

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

Stanton number
Thermal diffusivity
Peclet number
Momentum diffusivity

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