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Mass Transfer

Mass Transfer
Large scale drying of sugar is done in a __________ dryer.

Truck
Spouted bed
Tray
Rotary

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Mass Transfer
With increase in gas rate, the number of transfer units, NtoG, for a fixed degree of absorption by a fixed amount of solvent

Decreases linearly
Increases
Remains unaffected
Decreases

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Mass Transfer
Separation of __________ employs gaseous diffusion process.

N₂ and O₂ from air
Isotopes of uranium
Isotopes of helium
SO₂ and air

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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?

Spray towers
Wetted wall columns
Plate towers
Packed towers

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Mass Transfer
L/mG is the expression for

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

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Mass Transfer
Removal of __________ exemplifies an adsorption unit operation.

Ammonia from coke oven gas
Water from petrol
Uranium from its ore
None of the listed here

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