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%).

71 min

94 min

51 min

15 min

71 min

94 min

51 min

15 min

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

All of these

Weeping & dumping

Foaming

Entrainment

All of these

Weeping & dumping

Foaming

Entrainment

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Mass Transfer
For experimental determination of mass transfer co-efficient by wetted wall tower, the mass transfer area is

Not required

Calculated

Unknown

Known

Not required

Calculated

Unknown

Known

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Mass Transfer
Dew point of an air-water vapor mixture

Corresponding to any point on the humidity chart is obtained by projecting a line through this point parallel to the temperature axis and to the saturation curve

All of the listed here

Decreases with decrease in pressure

At constant humidity & total pressure is fixed

Corresponding to any point on the humidity chart is obtained by projecting a line through this point parallel to the temperature axis and to the saturation curve

All of the listed here

Decreases with decrease in pressure

At constant humidity & total pressure is fixed

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Mass Transfer
For __________ drying, the effects of velocity, temperature and humidity of the gas and the thickness of the solid are the same.

Constant rate

Both A & B

Unsaturated surface

Neither A nor B

Constant rate

Both A & B

Unsaturated surface

Neither A nor B

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Mass Transfer
In a binary distillation column, if the feed contains 40 mole % vapour, the q line will have a slope of

0.6

-1.5

1.5

-0.6

0.6

-1.5

1.5

-0.6

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

Mass Transfer For experimental determination of mass transfer co-efficient by wetted wall tower, the mass transfer area is

Mass Transfer Dew point of an air-water vapor mixture

Mass Transfer For __________ drying, the effects of velocity, temperature and humidity of the gas and the thickness of the solid are the same.

Mass Transfer In a binary distillation column, if the feed contains 40 mole % vapour, the q line will have a slope of

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

Mass Transfer
For experimental determination of mass transfer co-efficient by wetted wall tower, the mass transfer area is

Mass Transfer
Dew point of an air-water vapor mixture

Mass Transfer
For __________ drying, the effects of velocity, temperature and humidity of the gas and the thickness of the solid are the same.

Mass Transfer
In a binary distillation column, if the feed contains 40 mole % vapour, the q line will have a slope of