Mass Transfer
Hydrogenation of oil is carried out in a/an __________ in Vanaspati manufacturing plant.

Agitated vessel
Sieve tray column
Bubble cap column
Packed tower

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Mass Transfer
Steam distillation is used to

Avoid thermal decomposition of a component
Increase the efficiency of separation
Reduce the number of plates
Increase the total pressure of distillation

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Mass Transfer
Entrainer used in azeotropic distillation should

Have high viscosity to provide high tray efficiency
Form a low boiling azeotrope with one of the constituents of the mixture
Form a new azeotrope of low relative volatility with one of the constituents of the mixture
Have high latent heat of vaporisation

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