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

51 min

94 min

15 min

71 min

51 min

94 min

15 min

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Mass Transfer
Dew point of an air-water vapor mixture

At constant humidity & total pressure is fixed

All of the listed here

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

Decreases with decrease in pressure

At constant humidity & total pressure is fixed

All of the listed here

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

Decreases with decrease in pressure

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Mass Transfer
For a ternery mixture, in which equilateral triangular co-ordinate is used in leaching and extraction, a __________ of the equilateral triangular co-ordinates.

Binary mixture is represented by the apex

Binary mixture is represented by any point inside

Ternery mixture is represented by the sides

Pure component is represented by the apex

Binary mixture is represented by the apex

Binary mixture is represented by any point inside

Ternery mixture is represented by the sides

Pure component is represented by the apex

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Mass Transfer
Reboiler is considered as one theoretical plate, because

Reboiler itself contains one plate

None of these

Of the assumption that vapour and liquid leaving the reboiler are in equilibrium

Vapour is recycled to the column

Reboiler itself contains one plate

None of these

Of the assumption that vapour and liquid leaving the reboiler are in equilibrium

Vapour is recycled to the column

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Mass Transfer
High pressure at the bottom of a distillation tower handling heat sensitive materials results in

Very efficient operation

Thermal decomposition of bottoms

Erosion of the tower

Increased relative volatility

Very efficient operation

Thermal decomposition of bottoms

Erosion of the tower

Increased relative volatility

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Mass Transfer
Penetration theory relates the average mass transfer co-efficient (K) with diffusivity (D) as

K ∝ D

K ∝ D2

K ∝ D1.5

K ∝ √D

K ∝ D

K ∝ D2

K ∝ D1.5

K ∝ √D

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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 Dew point of an air-water vapor mixture

Mass Transfer For a ternery mixture, in which equilateral triangular co-ordinate is used in leaching and extraction, a __________ of the equilateral triangular co-ordinates.

Mass Transfer Reboiler is considered as one theoretical plate, because

Mass Transfer High pressure at the bottom of a distillation tower handling heat sensitive materials results in

Mass Transfer Penetration theory relates the average mass transfer co-efficient (K) with diffusivity (D) as

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
Dew point of an air-water vapor mixture

Mass Transfer
For a ternery mixture, in which equilateral triangular co-ordinate is used in leaching and extraction, a __________ of the equilateral triangular co-ordinates.

Mass Transfer
Reboiler is considered as one theoretical plate, because

Mass Transfer
High pressure at the bottom of a distillation tower handling heat sensitive materials results in

Mass Transfer
Penetration theory relates the average mass transfer co-efficient (K) with diffusivity (D) as