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Mass Transfer

Mass Transfer
Calcium ammonium nitrate (a fertiliser) is dried in a __________ dryer.

Tray
Tunnel
Vacuum
Rotary

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Mass Transfer
Heat sensitive materials like certain pharmaceuticals and food stuffs can be dried in a/an __________ dryer.

None of these
Freeze
Spray
Indirect tray

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Mass Transfer
Only small amount of evaporation of water produces large cooling effects because of its

Large latent heat
Low viscosity
Small latent heat
None of these

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Mass Transfer
__________ is used as an 'entrainer' for the separation of acetic acid-water mixture by distillation.

Furfural
Benzol
Butyl acetate
Hexane

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Mass Transfer
Raoult's law is applicable to the

Non-ideal gases
Ideal solutions
Real solutions
Mixture of water and alcohol

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Mass Transfer
Leaching of uranium ore and gold ore is done in

Pachuka tanks
None of these
Centrifugal extractor
Bollman extractor

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