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Mass Transfer

Mass Transfer
In paper industry, paper is dried in a __________ dryer.

Conveyor
Festoon
Tunnel
Heated cylinder

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Mass Transfer
Extraction of pencillin employs a __________ extraction coloumn.

Packed
Plate
None of these
Centrifugal

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Mass Transfer
1 kg of a saturated aqueous solution of a highly soluble component A at 60°C is cooled to 25°C. The solubility limits of A are (0.6 kgA/kg water) at 60°C and (0.2 kgA/kg water) at 25°C. The amount in kg of the crystals formed is

0.4
0.25
0.2
0.175

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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
Separation of __________ employs gaseous diffusion process.

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

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Mass Transfer
For continuous drying of grannular or crystalline material, the dryer used is the __________ dryer.

Tray
Rotary
None of these
Tunnel

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