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Mass Transfer

Mass Transfer
The-relative volatility for separation of a non-ideal binary mixture by distillation should be

< 1
> 1
1

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Mass Transfer
In an absorption coloumn, the flooding velocity for random packing is __________ that for stacked/regular packing.

Either A, or B ; depends on the type of packing
Equal to
Smaller than
Greater than

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Mass Transfer
Leaching of coffee from coffee beans is done by

Dilute H₂SO₄ (hot)
Hexane
Hot water
Lime water

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Mass Transfer
Psychrometry deals with the properties of gas-vapor mixture. Humidity can be determined by the measurement of the __________ of a fibre.

Strength
Electrical resistance
Thermal conductivity
None of the listed here

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Mass Transfer
Pressure drop through plate tower as compared to that through packed tower, for the same duty will be

Equal
Either A or B; depends on the packing height
Less
More

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

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