It takes 6 hours to dry a wet solid from 50% moisture content to the critical moisture content of 15%. How much longer it will take to dry the solid to 10% moisture content, under the same drying conditions? (The equilibrium moisture content of the solid is 5%).

Mass Transfer
It takes 6 hours to dry a wet solid from 50% moisture content to the critical moisture content of 15%. How much longer it will take to dry the solid to 10% moisture content, under the same drying conditions? (The equilibrium moisture content of the solid is 5%).

51 min

94 min

15 min

71 min

51 min

94 min

15 min

71 min

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Mass Transfer
Bollman extractor

Is a centrifugal extractor

Is used for extraction of oil from oilseed

Employs only counter-current extraction

Is a static bed leaching equipment

Is a centrifugal extractor

Is used for extraction of oil from oilseed

Employs only counter-current extraction

Is a static bed leaching equipment

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Mass Transfer
Agitator is provided in a crystalliser for

All of these

Crystal growth

Formation of nuclei

Avoiding deposition on cooler surfaces

All of these

Crystal growth

Formation of nuclei

Avoiding deposition on cooler surfaces

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Mass Transfer
For a distillation column operating at minimum reflux, the

None of these

Reflux ratio will be maximum

Number of plates required will be maximum

Concentration of liquid and vapour leaving a plate will be same

None of these

Reflux ratio will be maximum

Number of plates required will be maximum

Concentration of liquid and vapour leaving a plate will be same

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Mass Transfer
Which of the following assumes constant molal vaporisation and overflow?

McCabe-Thiele method

Plate absorption column

Enthalpy concentration method

Ponchan-Savarit method

McCabe-Thiele method

Plate absorption column

Enthalpy concentration method

Ponchan-Savarit method

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Mass Transfer
As the reflux ratio in a distillation coloumn is increased from the minimum, the

Slope of the operating line in stripping section decreases

Liquid flow increases while the vapor flow decreases for a system

Number of plates decreases very slowly first and then more and more rapidly

Total cost first decreases and then increases

Slope of the operating line in stripping section decreases

Liquid flow increases while the vapor flow decreases for a system

Number of plates decreases very slowly first and then more and more rapidly

Total cost first decreases and then increases

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Mass Transfer

Mass Transfer It takes 6 hours to dry a wet solid from 50% moisture content to the critical moisture content of 15%. How much longer it will take to dry the solid to 10% moisture content, under the same drying conditions? (The equilibrium moisture content of the solid is 5%).

Mass Transfer Bollman extractor

Mass Transfer Agitator is provided in a crystalliser for

Mass Transfer For a distillation column operating at minimum reflux, the

Mass Transfer Which of the following assumes constant molal vaporisation and overflow?

Mass Transfer As the reflux ratio in a distillation coloumn is increased from the minimum, the

Mass Transfer
It takes 6 hours to dry a wet solid from 50% moisture content to the critical moisture content of 15%. How much longer it will take to dry the solid to 10% moisture content, under the same drying conditions? (The equilibrium moisture content of the solid is 5%).

Mass Transfer
Bollman extractor

Mass Transfer
Agitator is provided in a crystalliser for

Mass Transfer
For a distillation column operating at minimum reflux, the

Mass Transfer
Which of the following assumes constant molal vaporisation and overflow?

Mass Transfer
As the reflux ratio in a distillation coloumn is increased from the minimum, the