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Mass Transfer

Mass Transfer
Milk is dried usually in a __________ dryer.

Spray
Tray
Rotary
Freeze

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Mass Transfer
In azeotropic mixture, the equilibrium vapour composition is

Less than liquid composition
None of the listed here
Same as liquid composition
More than liquid composition

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Mass Transfer
Which of the following is not a continuous leaching equipment?

Kennedy extractor
Pachuka tank
Hydrocyclones
Bollman extractor

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Mass Transfer
The wet and 'dry bulb temperature for a vapour-gas mixture are 25°C and 30°C respectively. If the mixture is heated to 45°C at constant pressure, the wet bulb temperature will be __________ °C.

25
> 25
-25
< 25

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Mass Transfer
Plate efficiency in a distillation column is reduced due to the __________ of liquid.

Weeping & dumping
Entrainment
All of these
Foaming

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Mass Transfer
Radioactive nuclear waste is treated in

Mixer-settler extractor
Bollman extractor
Pulsed column extractor
Rotating-disc contactor

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